8 
Isaac Langley Williams • Exeter, New Hampshire 
Caltha palustris (Marsh Marigold). See page 7 
Asclepias tuberosa (Butterfly 
Weed). See page 12 
HARDY NATIVE AQUATIC and BOG-PLANTS, continued 
IRIS prismatica. Cubeseed Iris. 1 to 1^ ft. Blue flowers on 3 10 100 
grass-like foliage in damp meadows. June.$0 60 $1 50 $12 00 
versicolor. Blueflag Iris. 1 to 2 ft. The native Blueflag 
needed in every bog or brookside garden. June. 60 1 50 10 00 
LYTHRUM salicaria. Purple Loosestrife. Grows 2 to 4 feet 
tall, with brilliant purple spikes of flowers, along our 
brooks and ponds. July. 60 1 50 12 00 
MIMULUS ringens. Monkeyflower. 1 to 2 ft. A bog-plant 
that has blue monkey-like flowers in July. 75 2 00 15 00 
NUPHAR advena. Spatterdock or Cowlily. Yellow Cowlily 
that grows in ponds and quiet coves. 75 2 00 15 00 
NYMPH^A odorata. White Waterlily. Our best Waterlily. 
Its fragrance and beauty cannot be adequately described. 75 2 00 15 00 
PELTANDRA virginica. Virginia Arrow-arum. This sphagnum 
bog-plant has bright green leaves 4 to 12 inches long. ... 75 2 00 18 00 
PONTEDERIA cordata. Pickerelweed. 2 to 3 ft. The blue 
flower-spikes appear in July. Plant grows in shallow water. 60 1 50 12 00 
SAGITTARIA latifolia. Arrowhead. Grows in shallow water 
and has broad, arrow-shaped leaves. The white flowers 
appear in July on 2-foot stems. 60 1 50 12 00 
SARRAGENIA flava. Trumpet Pitcherplant. 2 ft. This has 
elongated “pitchers.” The flowers are yellow. 75 2 00 18 00 
purpurea. Pitcherplant. 1 to 134 ft. The Red-flowered 
Pitcherplant of New England. “Pitchers” are filled with 
water which contains drowned insects. July. 60 1 50 12 00 
SPATHYEMA foetida. Skunk Cabbage. The leaves of this 
plant are 1 to 3 feet long and often 1 foot wide. Its 
peculiar flowers come in early spring before the leaves open. 75 2 00 15 00 
THALICTRUM polygamum. Tall Meadowrue. 4 ft. Grows 
in either sun or shade and has graceful, showy white flowers 
in July and August. 60 1 50 12 00 
TYPHA angustifolia. Narrowleaf Cattail. 4 to 6 ft. A nar¬ 
row-leaved form of the Cattail that grows in salt marshes, 
occurring rather rarely inland. 75 2 00 15 00 
latifolia. Common Cattail. 4 to 6 ft. An interesting and 
different bog-plant. 60 1 50 12 00 
VERATRUM viride. American False Hellebore. 2 to 4 ft. Its 
broad bright green leaves are practically the first to appear 
in the spring along our brooks and runs. 60 1 50 12 00 
