Monograph of North American Rhynchospora. 209 
Culm triangular, 2 — 3 feet high, Leaves rigid, broad-linear, carinate, 
pungently acute ; the lower ones elongated, 3 — 4 lines broad ; the up- 
per ones narrower, short. Corymbs terminal and lateral, somewhat 
distant, few and loosely flowered. Spikelets ovate, turgid, 3 — 4 lines 
in length. Glumes ovate, acute or mucronate. Bristles 10, equal to 
tlie nut or a little shorter, minutely hispid upward, somewhat caducous. 
Stamens 3, Style slender, deeply bifid. Nut rufous, smooth and shin- 
ing, slightly attenuated and compressed at the base, tumid above, with 
the summit somewhat thickened and wider than the depressed-conic, 
very short tubercle. 
Hab. In dry sandy barrens, Wilmington, N. Carolina, Mr. 
Curtis; Georgia, Le Conte ; West Florida, Mr. Ware, {in 
Herb. Nutt.) 
Obs. This species is very similar to the preceding, in habit 
and general appearance. 
18. Rhynchospora ciliata, Vahl. 
R. foliis obtusis bracteisque ciliatis ; spiculis ovatis, corymboso- 
fasciculatis, terminalibus ; mice laevi, orbiciilato-ovata, lenti- 
culari, setis stu'sum hispidulis triplo longiori. 
R. ciliata, Vahl, Emim. II. p. 238. Pursh. FI. I. p. 49. Roem, 
Sf Schdt. Sijst. Veg. II. p. 87. Spreng. Sijst. Veg. I. p. 196. 
Schoenus ciliaris, Michx. FI.I. p. 36, et Herb.! 
Culm, leaves and sheaths beautifully striate and somewhat glaucous 
Culm 1 — 2^ feet high, obscurely triangular, ieares broad-linear, ob- 
tuse ; radical ones 4 — 6 inches in length and 2 — 3 lines wide ; cauline 
ones few and short. Flou-ers in a crowded, terminal corymb, some- 
times with a much smaller, pedunculate, lateral fascicle. Bracts 
somewhat exceeding the corymb. Glumes ovate, carinate, mucronate, 
pubescent on the back above the middle. Bristles 6, very short, mi- 
nutely hispid upward. Stamens 3. Nut nearly orbicular, lenticular, 
minutely alveolate under a powerful lens. Tubercle about one-third 
as long as the nut, broad at the base, compressed. 
Hab. St. Mary's and St. John's, Florida, Dr. Baldwin ; New 
Orleans, Br. Ingalls; Georgia, Le Conte; Wilmington, N. 
Carolina, Mr. Curtis. 
