North ^hncricdii Cyperaccfp. 351 



about 4, ovale-ublong, one sessile, the others on short rays, 

 6 — S-flowered; scales somewhat 4-ranked, oblong, obtuse, 

 slightly pubescent ; nut triangular, undulately corrugated trans- 

 versely ; stamens 2 ; style 3-clelt. 



Tsolepis copillarirr, Ram. S^ Schull. syst. 2. p. 118; Schulf. mant. 2. p. 

 68 ; N. ab Esenh. in Linncea, 9. p. 291. 



Scirpus capillaris, Linn.; Willd.sp. 1. p. 302; Vahl, cnum. 2. p. 272; 

 Pursh,fl. 1. p. 37; Miihl.! gram. p. 36 ; Torr. ! jl. 1. p.52, (excl. syn. 

 Ell.); Big. ! fl. Bast. ojd. 2. p. 23; Beck, hot. p. 426; Gray! Gram. Sf 

 Cyp. part 1, no. 84; Darllngt. ! fl. Cest. ed. 2. p. 18. 



S. ciliatifolius, Darlingt.! fl. Cest. ed. 1. p. 7. (nol oi' Elliott.) 



S. Muhlenbergii, Spreng. syst. 1. p. 207. 



Scirpus culmo angulato, siilcafo, 6cc. Gron.ffl. rirg. p. 11. 



Root fibrous annual. Cnbns densely- cespitose, very slender, 3 — 8 

 inches high, somewhat cjuadrangular. Leaves mostly radical, 2 — 3 

 inches long, channelled, minufel}^ serrulate or denticulale towards the 

 extremity; sheaths rather loose and membranaceous. Lrvolucre 2 — 3- 

 leaved, setaceous, one of the leaves a little longer than the spikes. Rays 

 of the umhel about half an inch long. SpiJces 2 lines long, somewhat 

 quadrangular, rather oljtuse, 1 or sometimes 2 of them sessile. Scales 

 ferruginous, with a green keel, a little pubescent, especially on the mar- 

 gin, obtuse and often slightly emarginate. Stamens 2. Style filiform ; 

 the divisions downv- Nitt short, acutely triangular, whitish or brown, 

 very obtuse, but apirulate with the remains of the stj'le, abruptly con- 

 tracted at the base, the sides flat or somewhat concave, undulately ru- 

 gulose. 



Hab. Sandy fields; Massachusetts to North Carolina. 

 Near Boston, Dr. B/geloiv! ; near New Haven, Connecticut, 

 Dr. Tully ; abundant in the sandy districts of New Jersey! ; 

 Western parts of the State of New York, Dr. Gray! ; Pennsyl- 

 vania, Muhlenberg ! <5^ Dr. Darlington ! ; Wilmington, North 

 Carolina, Mr, Curtis .', and Salem, in the same State, Sch- 

 weinitz ! 



OL. 



IIL 4^5 



