A small, tufted plant with pellucid, fenestrate-nerved leaves arising from the crown, 1 to 3 inches long. Flowering scapes weak, twisted, usually about seven-angled, 1 to 8 inches tall, or when submersed, both the leaves and the scapes considerably elongated, bearing at the summit a small subglobose head of woolly white flowers, interspersed with numerous bracts; most of the flowers staminate and about one-eighth of an inch long, the few pistillate flowers scarcely more than half as large.
In still water and on shores of ponds, lakes and streams, usually where it is sandy, from Newfoundland to Minnesota, Florida and Texas. Usually in flower in this State in July and August. In the south are numerous other species of this and related genera.
Memoir 15 N. Y. State Museum
Seven-Angled Pipewort - Eriocaulon septangulare