Maples from Europe and Asia (3.24612)
Date: 1944Creator: Watts, May Theilgaard
Type: Drawing
Description:Illustrations of five species of maple, created to accompany "The Maples of The Morton Arboretum" article featured in Morton Arboretum Bulletin of Popular Information. Drawings show tree shape, including top, twigs, branches, and size, winged seeds, and leaves. Descriptive text gives details of tree structure (branching, bark, and trunk), habitat, seed ripening schedule, and leaf details including color and sinus structure.
Illustrations depicted from top to bottom:
- Norway maple -- Acer platanoides
- round top; twigs green-brown; from Europe, Caucasia; ripe in Fall; green on both sides; broad; rounded sinuses; 7-lobed; pale yellow in Fall; milky juice
- Sycamore maple -- Acer pseudoplatanus
- spreading top; from Europe, W. Asia; bark scales off in thin flakes; ripe in Fall; hanging in clusters like grapes; toothed margin; green on both sides; acute sinuses
- Amur maple -- Acer ginnala
- shrub to small tree; slender smooth branches; from China, Japan; ripe in late summer, red; long central lobe; toothed margin; yellow, orange, red in Fall
- Hedge maple -- Acer campestre
- shrub to small tree; from Europe, W. Asia; flattened nutlet; ripe in Fall; not toothed; milky juice
- Japanese maple -- Acer palmatum
- shrub; from Korea, Japan; ripe in Fall; usually red in Spring fading to green; 5 to 9 lobed
Extent: 1 sheet
Tree Portraits: Sycamore Maple (3.31808)
Date: 1940 – 1950Creator: Watts, May Theilgaard
Type: Painting
Description:Color silhouette of a Sycamore Maple tree, including a nature print outline of a leaf, drawings of a twig, seeds, and descriptive text.
Header: SYCAMORE MAPLE
Drawings and text from top to bottom, left to right:
- leaf
- tree: dark heavy green; no Autumn coloring; no milk
- twig with buds
- seeds: ripe in Fall; European
Extent: 1 sheet
Trees of the Eastern Hemisphere That Can Be Grown Here (3.33822)
Creator: Watts, May Theilgaard
Type: Drawing
Description:A large illustration depicting a cross-section of a hilly landscape with several types of trees. The trees are drawn in silhouette and a few houses are scattered in-between them. Each tree is also accompanied by a line of color across the top indicating the color of its leaves in Fall as well as an outline of its leaf below.
Header:
- TREES OF THE EASTERN HEMIPSHERE / THAT CAN BE GROWN HERE
- THESE FOREIGN TREES LACK THE DISPLAY / OF BRILLIANT FALL COLORING, THAT CHARACTER- / IZES OUR NATIVE SPECIES -------
- The color line about each of these trees indicates its / characteristic fall coloring -------
russian-olive -- [wych] Scots elm -- Norway spruce -- Scots pine -- Lombardy poplar -- [silver] white poplar -- European larch -- Japanese larch -- weeping willow -- European black alder -- camperdown elm -- European white birch -- English oak -- European linden (lime) -- Amur cherry -- Amur maple -- oriental crab -- oriental pear -- sycamore maple -- Serbian spruce -- Chinese juniper -- [Irish] common juniper -- horse-chestnut -- mountain-ash -- Nordmann's fir -- ginkgo -- [ailanthus] tree of heaven -- English ash
Extent: 1 sheet
Acer pseudoplatanus (sycamore maple), habit (3.38109)
Date: October 1964Type: Photographic image
Description:Acer pseudoplatanus (sycamore maple), darkened image shows the outline of sycamore maples planted adjacent to one another, trees are tall and with oval-shaped crown.
Extent: 1 slide
Acer pseudoplatanus (sycamore maple), habit, fall (3.38111)
Date: October 1968Creator: Ware, George
Type: Photographic image
Description:Acer pseudoplatanus (sycamore maple), full view of small tree showing very slight fall color with yellow and green leaves, with other trees scattered across grounds behind it
Extent: 1 slide
Acer pseudoplatanus (sycamore maple), bud (3.38113)
Type: Photographic image
Description:Acer pseudoplatanus (sycamore maple), closeup detail of large, blunt bud on twig
Extent: 1 slide
Acer pseudoplatanus ‘Atropurpureum’ (Purple-leaved sycamore maple), habit, fall (3.38114)
Date: October 1968Creator: Ware, George
Type: Photographic image
Description:Acer pseudoplatanus ‘Atropurpureum’ (Purple-leaved sycamore maple), full view of small tree showing very slight fall color but primarily dark green foliage, crown is broad and domed, other trees visible in background.
Extent: 1 slide
Scanning Electron Microscope (SEM) research, pollen grains of (L) Acer pseudoplatanus and (R) Rhus typhina (3.4578)
Creator: Crowley Jr., Webster R.
Type: Photographic image
Description:Scanning Electron Microscope (SEM) research, pollen grains of (L) Acer pseudoplatanus and (R) Rhus typhina
Shows the spaghetti-like ridges (striations) of the surface (exine) between the grooves (colpi)
Extent: 1 photograph