ERIOCAULONACEJE. (PIPEWORT FAMILY.) 508 
l. E. decangulare, L. Leaves mostly rigid, varying from lanceolate to 
linear-subulate, concave, obtuse ; scapes commonly several from a thick and creep- 
ing rootstock, stout, smooth, 10 — 12-furrowed ; head (2/' — 7" in diameter) com- 
pact, hemispherical, at length globose ; scales of the involucre numerous, small, 
oblong, acutish, closely imbricated, straw-colored, or light chestnut, passing into 
the linear-spatulate acuminate bearded bracts, which are longer than the flower. 
(E. gnaphalodes, Ell, not of Michx.) — Boggy places, Florida, and northward. 
July - Sept. — Scapes 29 - 39 high. Leaves 4' - 12! long, 2" — 6" wide. 
2. E. gnaphalodes, Michx. Leaves lanceolate-subulate, flat, very acute, 
rigid, or the immersed ones thin and pellucid ; scapes few or single, slender, 9 - 
11-furrowed ; head hemispherical (4" — 8" wide) ; scales of the involucre few, ob- 
long or roundish, very obtuse, turning lead-color; bracts shorter than the flower, 
spatulate, their broad and bearded summit obtuse or more or less mucronate- 
pointed, turning blackish. (E. compressum, Lam.) — Swamps and shallow ponds, 
Florida, and northward. April-June. —Scapes 13? - 2? high. Leaves 2/- 6! 
long, concave at the base. 
3. E. Ravenelii, n. sp. Smooth throughout; root fibrous; leaves linear 
or linear-lanceolate, very acute, flat, thin, and pellucid ; scapes low and slender, 
clustered, slightly furrowed; heads small (1"-— 2! in diameter), globose, few or 
many-flowered ; scales of the involucre few, in one or two rows, oblong, very 
obtuse, whitish, pellucid, longer than the immature head, and, like the oblong ob- 
tuse or barely pointed dark brown scales, beardless; flowers naked, or with few 
hairs at the base, dark brown, shorter than the bracts ; style occasionally simple; 
seeds minutely pubescent. — Wet places, St. John’s (Berkeley) Parish, South Car- 
olina, H. W. Ravenel. — Scapes weak, 1'—6' high. Leaves 1'-2' long. 
2. PZEPALANTHUS, Martius. 
Flowers monccious. Staminate Fl. Sepals 3. Corolla tubular, 3-toothed. 
Stamens 3: anthers 2-celled. Pistillate Fl. Sepals and petals 3. Style 3- 
parted, the divisions entire: stigmas 3. Capsule 3-celled. — Habit of the pre- 
ceding. 
1. P. flavidulus, Kunth. Leaves short (1'-2' long), subulate, smooth, 
or sparingly pubescent; scapes numerous, filiform, 5-furrowed, and like the 
sheaths hairy; heads hemispherical, yellowish-white; scales of the involucre 
oblong, acute, smooth and shining; flowers slender, pedicelled; sepals linear, 
acute; corolla of the staminate flowers funnel-shaped; of the pistillate flowers 
composed of 3 slender petals, cohering above the ovary; stamens and styles 
exserted. (Eriocaulon flavidulum, Michx.) — Low sandy pine barrens, Florida 
to North Carolina, and northward. April and May. — Scapes 6' — 12! high. 
3. LACHNOCAULON, Kunth. 
_ Flowers moneecious. Staminate Fl. Sepals 3, equal. Corolla none. Sta- 
mens 3, with the filaments united below into a club-shaped tube : anthers 1- 
celled. Pistillate Fl. Sepals 3, equal. Corolla none, or reduced to tu | hairs. 
Style Meo ee visions entire or 2-cleft : sigi 
