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object type
Drawings
century
20th century
decade
1940s
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and 13 more
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Watts, May Theilgaard
language
English
collection
Collection of May Theilgaard Watts materials
Subject/Keyword
Acer saccharinum L. (silver maple)
Aquatic plants
Carya Nutt. (hickory)
Celtis L. (hackberry)
Drawings -- United States -- 20th century
Elodea canadensis Michx. (common pondweed)
Fraxinus L. (ash)
Myriophyllum spicatum L. (Eurasian watermilfoil)
Nuphar advena (Aiton) W. T. Aiton (yellow pond-lily)
Nymphaea odorata Aiton (fragrant water-lily)
Pen works -- United States -- 20th century
Pond ecology
Pontederia cordata L. (pickerel-weed)
Quercus alba L. (white oak)
Quercus rubra L. (northern red oak)
Sagittaria latifolia Willd. (common arrowhead)
Salix L. (willow)
Scirpus L. (bulrush)
Sparganium eurycarpum Engelm. (common bur reed)
Tilia L. (linden)
Typha L. (cattail)
Ulmus L. (elm)
Vallisneria americana Michx. (American eelgrass)
and 16 more

Objects (3 results)

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Emergent Plant Series: #3, Emergent-Plant Stage (3.19487)

Date: 1950s
Creator: Watts, May Theilgaard
Type: Drawing
Description:Part of a series of numbered illustrations about the stages of pond growth. This material includes an aerial view of a pond showing some plants at the surface of its edges and its bays with trees and hills in background, and a cross-section view of aquatic plants attached to pond bottom, with leaves and flowers of shallower plants extended up to and above the water's surface.

Header: EMERGENT-PLANT STAGE / PLANTS UPRIGHT / only roots and base under water

Drawings and text from top to bottom, left to right:
  • pond and surrounding landscape
  • cross-section [divided into 6 sections]:
    • EMERGENT ZONE
      • cat-tails
      • arrowhead
      • bur reed
      • pickerel weed
      • bullrush
    • FLOATING-LEAF ZONE
    • SUBMERGED-PLANT ZONE
    • SUBMERGED-PLANT ZONE
    • FLOATING-LEAF ZONE
    • EMERGENT ZONE

Extent: 1 sheet

Emergent Plant Series: #6, Climax Forest Stage (3.19490)

Date: 1950s
Creator: Watts, May Theilgaard
Type: Drawing
Description:Part of a series of numbered illustrations about the stages of pond growth. This material includes a view of a pond in the center with forest trees and hills in the background, and a cross-section of illustrations of forest trees, and trees and emergent plants of the water's edge.

Header: CLIMAX FOREST STAGE / THE PERMAMENT FOREST of the REGION

Drawings and text from top to bottom, left to right:
  • pond and surrounding landscape
  • cross-section [divided into 7 sections]:
    • CLIMAX FOREST
      • red oak
      • white oak 
      • hickory
    • LOWLAND FOREST ZONE
      • elm
      • ash
      • hackberry
      • linden
    • PIONEER TREE ZONE
      • willow
      • silver maple
    • EMERGENT ZONE
      • cat-tails
      • arrowhead
      • bur reed
      • pickerel weed
      • bull-rush
    • PIONEER TREE ZONE
    • LOWLAND FOREST ZONE
    • CLIMAX FOREST

Extent: 1 sheet

Growth of Pond: Emergent Plant Stage (3.19494)

Date: 1940 – 1950
Creator: Watts, May Theilgaard
Type: Drawing
Description:Part of a series of illustrations about the stages of pond growth. This material includes an aerial view of a pond with some plants showing at the surface of its edges and its bays, and a cross-section view of aquatic plants attached to pond bottom, with leaves and flowers of shallower plants extended up to and above the water's surface.

Header: EMERGENT PLANT STAGE / PLANTS UPRIGHT / only roots and base under water

Drawings and text from top to bottom, left to right:
  • Pond
  • CROSS-SECTION of MARGIN [divided into 3 sections]:
    • Emergent Plant Zone
      • cat-tails
      • arrowhead
      • bur reed
      • pickerel weed
      • bullrush
    • Floating Plant Zone
      • white water lily
      • cow lily
    • Submerged Plant Zone
      • pondweed
      • eel grass
      • water milfoil
      • etc.

Extent: 1 sheet

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