Yellow Pond Lily (3.19469)
Date: 1940sCreator: Watts, May Theilgaard
Type: Drawing
Description:Two illustrations of a yellow pond lily, depicting leaves and flowers with identifying text below each image. Image "A" shows the flower about to open on the first day, and image "B" shows the second day with flower fully open.
Header: yellow pond lily
Plants and text as depicted from left to right:
- A - For one day the opening flower offers insects a small entrance, filled with the stigma reader for pollen from a flower like B [arrow pointing right to next column of text]
- B - On the second day the flower opens wide, and its stamens burst with pollen, ready to be carried by insects to a flower like A [arrow pointing left back to text in the first column]
Extent: 1 sheet
Emergent Plant Series: #2, Floating-Leaf Plant Stage (3.19486)
Date: 1950sCreator: 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 bay 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 to water's surface.
Header: FLOATING-LEAF PLANT STAGE / PLANTS ATTACHED TO BOTTOM / leaves and flowers floating at surface
Drawings and text from top to bottom, left to right:
- pond and surrounding landscape
- cross-section [divided into 4 sections]:
- FLOATING LEAF ZONE
- water lily
- cow lily
- SUBMERGED PLANT ZONE
- water weed
- eel grass
- pondweed
- hornwort
- water milfoil
- SUBMERGED PLANT STAGE
- FLOATING LEAF ZONE
- FLOATING LEAF ZONE
Extent: 1 sheet
Growth of Pond: Emergent Plant Stage (3.19494)
Date: 1940 – 1950Creator: 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.
- Emergent Plant Zone
Extent: 1 sheet