Browsing by Subject/Keyword: decade:
Botanical Terms Used in Describing Leaves, page 1 (3.19463)
Date: July 1944Creator: Watts, May Theilgaard
Type: Drawing
Description:Sheet 1 of 4. Glossary of botanical terms and illustrations depicting labeled leaf silhouettes used for describing leaves, created to accompany "Botanical Terms Used in Describing Leaves" article featured in Morton Arboretum Bulletin of Popular Information. Descriptive text includes an introductory paragraph and details of leaf shapes. The remaining identifying text originally adhered to the board has detached and is no longer present.
Header: LEAVES ARE CALLED
Leaf terms depicted from top to bottom, left to right
- SIMPLE
- COMPOUND
- pinnately-compound
- palmately-compound, (or digitate)
- ternately-compound, (or trifoliate)
- doubly-compound (or bi-pinnate)
- PERFOLIATE
- RADICAL
- SESSILE
- ALTERNATE
- OPPOSITE
- WHORLED
Extent: 1 sheet
Botanical Terms Used in Describing Leaves, page 2 (3.19464)
Date: July 1944Creator: Watts, May Theilgaard
Type: Drawing
Description:Sheet 2 of 4. Glossary of botanical terms and illustrations used for describing leaves, created to accompany "Botanical Terms Used in Describing Leaves" article featured in Morton Arboretum Bulletin of Popular Information. Illustrations depict various over-lapping leaf silhouettes with additional small sketches of objects to explain each shape in a column on the left, and a glossary of terms describing the leaves in a column on the right. Descriptive text adhered to the board includes details of leaf shapes.
Header: A LEAF SHAPE IS CALLED:
Leaf shapes depicted from top to bottom, left to right:
- OBLONG
- Silhouette of oblong shaped leaf with sketch of radio tube under stem
- OVAL
- Silhouette of oval shaped leaf with sketch of tennis racket under stem
- OVATE
- Silhouette of ovate shaped leaf with sketch of lit candle under stem
- OBOVATE
- Silhouette of obovate shaped leaf with sketch of light bulb under stem
- ELLIPTIC
- Silhouette of elliptic shaped leaf with sketch of an eye at stem
- CORDATE
- Silhouette of cordate shaped leaf with sketch of a playing card at stem
- PELTATE
- Silhouette of peltate shaped leaf with sketch of an umbrella under stem
- RENIFORM
- Silhouette of reniform shaped leaf with sketch of a jelly bean under stem
- DELTOID
- Silhouette of deltoid shaped leaf with sketch of a garden trowel under stem
- HALBERD-SHAPED
- Silhouette of halberd-shaped leaf with sketch of a fish hook under stem
- LANCEOLATE
- Silhouette of lanceolate shaped leaf with sketch of a carrot under stem
- OBLANCEOLATE
- Silhouette of oblanceolate shaped leaf with sketch of a dart at stem
- SPATULATE
- Silhouette of spatulate shaped leaf with sketch a canoe at stem
- LINEAR
- Silhouette of linear shaped leaf with sketch a butter knife at stem
Extent: 1 sheet
Botanical Terms Used in Describing Leaves, page 3 (3.19465)
Date: July 1944Creator: Watts, May Theilgaard
Type: Drawing
Description:Sheet 3 of 4. Glossary of botanical terms and illustrations used for describing leaves, created to accompany "Botanical Terms Used in Describing Leaves" article featured in Morton Arboretum Bulletin of Popular Information. Glossary of terms in 2 sections describe leaf tips and leaf bases in a column on the left. Illustrations depict various over-lapping leaf silhouettes with additional small sketches of objects to explain each shape in a column on the right. Descriptive text adhered to the board includes details of leaf tips and bases.
Section 1: A LEAF TIP IS CALLED:
Leaf tips depicted from top to bottom, left to right:
- ACUMINATE
- Silhouette of acuminate shaped leaf tip with sketch of long pointed witches hat
- ACUTE
- Silhouette of acute shaped leaf tip with sketch of clown hat angled less than 90 degrees
- MUCRONATE
- Silhouette of mucronate shaped leaf tip with sketch of beret with small tip at the center
- CUSPIDATE
- Silhouette of cuspidate shaped leaf tip with sketch of a hat with a sharply pointed tip
- OBTUSE
- Silhouette of obtuse shaped leaf tip with sketch of a pope's hat
- ROUNDED
- Silhouette of rounded shaped leaf tip with sketch of a baseball cap
- TRUNCATE
- Silhouette of truncate shaped leaf tip with sketch of a top hat
- EMARGINATE
- Silhouette of rounded shaped leaf tip with sketch of a queen's crown
Leaf bases depicted from top to bottom, left to right:
- TRUNCATE
- Silhouette of truncate shaped leaf base with sketch of a skirt cut straight across
- CORDATE
- Silhouette of cordate shaped leaf base with sketch of a men's Elizabethan breeches
- OBLIQUE
- Silhouette of oblique shaped leaf base with sketch of a golf pants of unequal length
- AURICULATE
- Silhouette of auriculate shaped leaf base with sketch of a pants gathered at ankles with droopy ear lobe-like shape
- ROUNDED
- Silhouette of rounded shaped leaf base with sketch of an apron over a skirt
- ACUTE
- Silhouette of acute shaped leaf base with sketch of tapered riding pants
- ACUMINATE
- Silhouette of acuminate shaped leaf base with sketch of a pirate with a peg leg
Extent: 1 sheet
Botanical Terms Used in Describing Leaves, page 4 (3.19466)
Date: July 1944Creator: Watts, May Theilgaard
Type: Drawing
Description:Sheet 4 of 4. Glossary of botanical terms and illustrations used for describing leaves, created to accompany "Botanical Terms Used in Describing Leaves" article featured in Morton Arboretum Bulletin of Popular Information. Illustrations depict various over-lapping leaf silhouettes in a column on the left. Glossary of terms in 2 sections describe the leaves in a column on the right. Descriptive text adhered to the board includes details of leaf margins and veins, and an unillustrated section about leaf surface types and characteristics.
Section 1: A LEAF MARGIN IS CALLED:
Leaf margins depicted from top to bottom, left to right:
- LOBED
- UNDULATE (repand)
- SINUATE
- CRENATE
- CRENULATE
- DENTATE
- DENTICULATE
- SERRATE
- SERRULATE
- DOUBLY-SERRATE
- ENTIRE
- REVOLUTE
Leaf veins depicted from top to bottom, left to right:
- PARALLEL
- PINNATE
- PALMATE
- DICHOTOMOUS
Extent: 1 sheet
Spring Wild Flowers of the Forest Floor: A Glossary of Terms Used in this Key (3.24614)
Date: 1944Creator: Watts, May Theilgaard
Type: Drawing
Description:Glossary of terms used for describing flowers, created to accompany "Spring Wild Flowers Of The Forest Floor At The Morton Arboretum" article featured in Morton Arboretum Bulletin of Popular Information. Includes illustrations of labeled flower parts from side and above in center of image, surrounded by identification images and labels of flowers, and an illustrated glossary of terms describing leaves across the bottom.
Illustrations are divided into two sections, from top to bottom:
Section 1: Terms Used In Describing Flowers (illustrations from top to bottom, left to right)
- calyx
- corolla
- irregular
- panicle
- petal
- pistil
- polypetalous
- raceme
- regular
- sepal
- stamen
- style
- sympetalous
- umbel
- alternate
- basat
- compound
- entire margin
- lobed
- net-veined
- opposite
- parallel-veined
- simple
- toothed
- whorled
Extent: 1 sheet
Spring Wild Flowers of the Forest Floor At The Morton Arboretum: A Key To Identification, page 1 (3.24615)
Date: 1944Creator: Watts, May Theilgaard
Type: Drawing
Description:Illustrations of wild flowers with identification text, key on left and habitat border of leaves on right, created to accompany "Spring Wild Flowers Of The Forest Floor At The Morton Arboretum" article featured in Morton Arboretum Bulletin of Popular Information.
Illustrations and identifying text depicted, from top to bottom:
- Skunk cabbage -- Symplocarpus foetidus
- Jack-in-the-pulpit -- Arisaema triphyllum
- Green dragon -- Arisaema dracontium
- Purple trillium (wake-robin) -- Trillium recurvatum
- Shy trillium -- Trillium declinatum
- Large-flowered trillium -- Trillium grandiflorum
Extent: 1 sheet
Spring Wild Flowers of the Forest Floor At The Morton Arboretum: A Key To Identification, page 2 (3.24616)
Date: 1944Creator: Watts, May Theilgaard
Type: Drawing
Description:Illustrations of wild flowers with identification text, key on left and habitat border of leaves on right, created to accompany "Spring Wild Flowers Of The Forest Floor At The Morton Arboretum" article featured in Morton Arboretum Bulletin of Popular Information.
Illustrations and identifying text depicted, from top to bottom:
- Trout lily -- Erythronium albidum
- Wild garlic -- Allium canadense
- Wild leek -- Allium tricoccum
- Carrion flower -- Smilax herbacea
- Bellwort -- Uvularia grandiflora
- Small solomon seal -- Polygonatum biflorum
- Great solomon seal -- Polygonatum commutatum
- Starry solomonplume -- Smilacina stellata
- Feather solomonplume -- Smilacina racemosa
Extent: 1 sheet
Spring Wild Flowers of the Forest Floor At The Morton Arboretum: A Key To Identification, page 3 (3.24617)
Date: 1944Creator: Watts, May Theilgaard
Type: Drawing
Description:Illustrations of wild flowers with identification text, key on left and habitat border of leaves on right, created to accompany "Spring Wild Flowers Of The Forest Floor At The Morton Arboretum" article featured in Morton Arboretum Bulletin of Popular Information.
Illustrations and identifying text depicted, from top to bottom:
- Early meadow rue -- Thalictrum dioicum
- Hepatica -- Hepatica acutiloba
- Wild ginger -- Asarum canadensis
- Golden seal -- Hydrastis canadensis
- Wood anemone -- Anemone quinquefolia
- Rue anemone -- Anemonella thalictroides
- False rue anemone -- Isopyrum biternatum
Extent: 1 sheet
Spring Wild Flowers of the Forest Floor At The Morton Arboretum: A Key To Identification, page 4 (3.24618)
Date: 1944Creator: Watts, May Theilgaard
Type: Drawing
Description:Illustrations of wild flowers with identification text, key on left and habitat border of leaves on right, created to accompany "Spring Wild Flowers Of The Forest Floor At The Morton Arboretum" article featured in Morton Arboretum Bulletin of Popular Information.
Illustrations and identifying text depicted, from top to bottom:
- White baneberry -- Actaea alba
- Bloodroot -- Sanguinaria canadensis
- May-apple -- Podophyllum peltatum
- Wild columbine -- Aquilegia canadensis
- Wild strawberry -- Fragaria virginiana
- Cinquefoil -- Potentilla canadensis
- Small-flowered crowfoot -- Ranunculus abortivus
- Swamp buttercup -- Ranunculus septentrionalis
- Blue cohosh -- Caulophyllum thalictroides
- Toothwort -- Dentaria laciniata
- Spring cress -- Cardamine bulbosa
Extent: 1 sheet
Spring Wild Flowers of the Forest Floor At The Morton Arboretum: A Key To Identification, page 5 (3.24619)
Date: 1944Creator: Watts, May Theilgaard
Type: Drawing
Description:Illustrations of wild flowers with identification text, key on left and habitat border of leaves on right, created to accompany "Spring Wild Flowers Of The Forest Floor At The Morton Arboretum" article featured in Morton Arboretum Bulletin of Popular Information.
Illustrations and identifying text depicted, from top to bottom:
- Wild geranium -- Geranium maculatum
- Foam flower -- Tiarella cordifolia
- Fire pink -- Silene virginica
- Evening campion -- Lychnis alba
- Spring beauty -- Claytonia virginica
- Rough alumroot -- Heuchera hispida
- Violet wood sorrel -- Oxalis violacea
- Yellow wood sorrel -- Oxalis stricta
- Wild sarsaparilla -- Aralia nudicaulis
- Ginseng -- Panax quinquefolium
Extent: 1 sheet
Spring Wild Flowers of the Forest Floor At The Morton Arboretum: A Key To Identification, page 7 (3.24620)
Date: 1944Creator: Watts, May Theilgaard
Type: Drawing
Description:Illustrations of wild flowers with identification text, key on left and habitat border of leaves on right, created to accompany "Spring Wild Flowers Of The Forest Floor At The Morton Arboretum" article featured in Morton Arboretum Bulletin of Popular Information.
Illustrations and identifying text depicted, from top to bottom:
- Shooting star -- Dodecatheon meadia
- Blue phlox -- Phlox divaricata
- Virginia cowslip -- Mertensia virginica
- Ellisia -- Ellisia nyctelea
- Virginia waterleaf -- Hydrophyllum virginianum
- Appendaged waterleaf -- Hydrophyllum appendiculatum
- Shining bedstraw-- Galium concinnum
- Catchweed bedstraw -- Galium aparine
- Northern bedstraw -- Galium boreale
- Hairy bedstraw -- Galium pilosum
- Dutchmans breeches -- Dicentra cucullaria
- Squirrel corn -- Dicentra canadensis
- Self-heal -- Prunella vulgaris
- Wood betony -- Pedicularis canadensis
Extent: 1 sheet
Spring Wild Flowers of the Forest Floor At The Morton Arboretum: A Key To Identification, page 6 (3.24621)
Date: 1944Creator: Watts, May Theilgaard
Type: Drawing
Description:Illustrations of wild flowers with identification text, key on left and habitat border of leaves on right, created to accompany "Spring Wild Flowers Of The Forest Floor At The Morton Arboretum" article featured in Morton Arboretum Bulletin of Popular Information.
Illustrations and identifying text depicted, from top to bottom:
- Golden alexanders -- Zizia aurea
- Yellow taenidia -- Taenidia integerrima
- Purple-stem angelica -- Angelica atropurpurea
- Cow parsnip -- Heracleum lanatum
- Smooth sweet cicely -- Osmorhiza longistylis
- Hairy sweet cicely -- Osmorhiza claytoni
- Vetch -- Vicia caroliniana
- Downy yellow violet -- Viola pubescens
- Palmate violet -- Viola palmata
- Hairy blue violet -- Viola sororia
- Common blue violet -- Viola papilionacea
- Jacob's ladder -- Polemonium reptans
Extent: 1 sheet
Forest Nature Trail Guide, page 10 illustrations and layout with preliminary sketches (3.24660)
Date: 1946Creator: Watts, May Theilgaard
Type: Drawing
Description:Sheet One: Original illustrations and layout for page 10, excluding text, for The Morton Arboretum Forest Nature Trail Guide booklet. Key lines included.
Illustrated stumps with numbers indicate points of interest along trail as seen on trail map.
Tree stump #22: Ash
White Ash "twig," "leaf," and "fruit" as labeled and illustrated to the right.
Tree stump #23: A Woodchuck's Burrow
Illustration of a woodchuck and a cross-section of a woodchuck burrow to the right.
Tree stump #24: Moss on trees
Illustration of four generalized tree trunks with moss covering left side of each to the right.
Tree stump #25: Leaf veination
Identifying characteristics for "parallel-veined," "palmate-veined," and "pinnate-veined" leaves as labeled and illustrated to the right.
Sheet Two: Preliminary sketch of green-colored illustrations.
Extent: 2 sheets
Forest Nature Trail Guide, back cover/page 16 illustrations and layout with preliminary sketches (3.24673)
Date: 1946Creator: Watts, May Theilgaard
Type: Drawing
Description:Sheet One: Original illustrations and layout for back cover/page 16, for The Morton Arboretum Forest Nature Trail Guide booklet. Key lines included.
Includes a key to tree leaf characteristics. Header text "A KEY To the trees in these woods"
(first section) Leaf simple
Illustrated identifying characteristics of leaves, divided into two categories, "with lobed margin" and "with toothed margin" as labeled. Each section depicts variations in veins, lobes, and thorns
(second section) Leaf compound
Illustrated identifying characteristics of leaves, divided into two catagories, "leaves opposite" and "leaves alternate" as labeled.
Sheet Two: Preliminary sketch of green-colored illustrations.
Extent: 2 sheets
Twelve Oaks (3.24795)
Date: 1944Creator: Watts, May Theilgaard
Type: Drawing
Description:Illustration of leaf, acorn, and twigs with buds for twelve different types of oak, created to accompany "The Oaks Of The Morton Arboretum" article featured in Morton Arboretum Bulletin of Popular Information. Drawings are divided into two categories and depicted in columns with descriptive text.
Header: TWELVE OAKS
Leaves, acorns, and twigs as depicted in two categories, from left to right, top to bottom:
Category 1: The Black Oak Group
- Eastern Red Oak - Quercus borealis
- leaf - dull above, glabrous beneath, lobes narrowing toward margin, sinuses about half-way to mid-rib.
- acorn - shallow cup, saucer-shaped, with glossy tight scales, white kernel
- twig with buds - buds red brown, not angled; twigs red-brown, smooth
- Northern Pin - Quercus ellipsoidalis
- leaf - lustrous, deeply lobed, lobes widening toward margin, base truncate or broad-cunate, 5 to 7 lobed
- acorn - top-shaped cup, enclosing half of nut, yellow kernel
- twig with buds - buds red-brown, obtuse at tip; twigs red-brown
- Black - Quercus velutina
- leaf - leathery, thick, petioles yellow, sinuses varying from shallow to deep
- acorn - bowl-like cup, scales form fringe at margin, yellow kernel
- twig with bids - buds pale woolly, strongly 5-sided; twigs red-brown, lenticels conspicuous
- Pin - Quercus palustris
- leaf - thin, lustrous, 5 to 7 lobed, few-toothed, slender petioles, base cuneate
- acorn - saucer-shaped cup, scales with free tips, nut often striped
- twigs with buds - side buds at wide angle; twigs red-brown, smooth
- Shingle - Quercus imbricaria
- leaf - lustrous above, pubescent below, persistent in Winter
- acorn - stalked cup, bowl-like, thin
- twig with buds - buds brown smooth; twigs smooth, gray-brown
- Willow - Quercus phellos
- leaf - lustrous, nearly sessile, acute at both ends
- acorn - talked cup, shallow, thin
- twig with buds - buds brown; twigs fine
- White - Quercus alba
- leaf - glabrous, with deep sinuses, often persistent in winter
- acorn - bowl-like cup, with thickened warty scales, nut edible
- twig with buds - buds red-brown, smooth; twigs red-brown, later ashy-gray; lenticels pale, conspicuous
- Bur - Quercus macrocarpa
- leaf - usually with "wasp-waist" - thick, smooth above, pale-pubescent beneath
- acorn - cup fringed, covering half or more of nut, larger in South
- twig with buds - buds pale-woolly, gray-tan; twigs gray, later corky-ridged
- English - Quercus robur
- leaf - auricled base, nearly sessile
- acorn - cup enclosing 1/4 to 1/3 of nut, long-stemmed
- twig with buds - buds, brown; side buds divergent; twigs brown
- Chinquapin - Quercus muehlenbergii
- leaf - thick, shiny above, pubescent beneath, somewhat sharply-toothed, rounded base, slender petiole
- acorn - cup bowl-shaped, thin, scales indistinct
- twig with buds - buds chestnut-brown; twigs orange-brown
- Basket - Quercus michauxii
- leaf - crenate margin, pale-pubescent beneath, cunate base, 10 to 14 pairs of teeth
- acorn - cup bowl-shaped, thickened, scales wedge-shaped
- twig with buds - buds chestnut-brown, twigs orange-brown
- Swamp White - Quercus bicolor
- leaf - thick, firm, coarsely-toothed, shining above, pale-fomentose beneath, 6 to 10 pairs of teeth, often persistent in winter
- acorn - usually paired, cup bowl-shaped, slightly-fringed, long-stalked
- twigs with buds - buds brown; twigs yellow-brown, with pale, raised lenticels
Extent: 1 sheet