ERIOCAULONACEiE. (PIPEWORT FAMILY.) 503 



1. 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, £■//., not of il//c/(.r.) — Boggy places, Florida, and northward. 

 July - Sept. — Scapes 2° - 3° 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 1|^°- 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 (I" -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, U. W. Ravenel. — Scapes weak, l'-6' high. Leaves l'-2' long. 



2. PJEPALANTHUS, Martins. 



Flowers monoecious. Staminate Fl. Sepals 3. Corolla tabular, 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 (l'-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, il/Zc/ia'.) — Low sandy pine barrens, Florida 

 to North Carolina, and northward. April and May. — Scapes 6'- 12' high. 



3. LACHNOCAULON, Kunth. 



Flowers moncecious. Staminate Fl. Sepals 3, equal. Corolla none. Sta- 

 mens 3, with the filaments united below into a club-shaped tube: anthers I- 

 celled. Pistillate Fl. Sepals 3, equal. Corolla none, or reduced to tufted hairs. 

 Style club-shaped, 2 - 3-parted, the divisions entire or 2-cleft : stigmas 2-6. Cap- 



