Monograph of North American Rhynchospcyne. 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. Corymls terminal and lateral, somewhat 

 distant, few and loosely flowered. Sjpikelets ovate, turgid, 3 — 4 lines 

 in length. Glumes ovate, acute or mucronate. Bristles 10, equal to 

 the 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, {hi 



Herb. Nutt.) 

 Obs. This species is very similar to the preceding, in habit 



and general appearance. 



18. Rhynchospora ciliata, Vahl. 



R. foliis obtusisbracteisqiie ciliatis ; spiculis ovatis, corymboso- 

 fasciculatis, terminalibus ; mice Isvi, orbiculato-ovata, lenti- 

 culari, setis sursum hispidulis triplo longiori. 



R. ciliata, Vahl, Emim. II. p. 238. Pursh. Fl. I. p. 49. Ram^ 

 ^ SchuU. Syst. Veg. 11. p. 87. Sjireng. Syst. Veg.l. p. 196. 



Schcenus ciliaris, Michx. Fl. I. p. 36, et Herb.! 



Culm, leaves and sheaths beautifully striate and somewhat glaucous 

 Culm 1 — 2i feel high, obscurely triangular. Zeaves broad-linear, ob- 

 tuse ; radical ones 4 — 6 inches in length and 2 — 3 lines wide ; cauline 

 ones few and short. Flowers in a crowded, terminal corymb, some- 

 limes 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, Dr. Ingalls; Georgia, Le Conte; Wilmington, N. 

 Carolina, Mr. Curtis. 



