North America?/ Cijyeracece. 351 
about 4, ovate-oblong, one sessile, the others on short rays, 
6 — S-flow^ered; scales somewhat 4-ranked, oblong, obtuse, 
slightly pubescent ; nut triangular, undulately corrugated trans* 
versely; stamens 2 ; style -3-clett. 
Isolf'pis capillaris, Ram. t^ Schult. sjjst. 2. p. 118; ScJndt. mant. 2. p. 
68; N- ab Ksenh. in Linv(ea, 9. p. 291. 
Scirpiis capillaris, Linn.; Willd. sp. 1. p. 302; Vahl, enum. 2. p.272; 
Pursh,fl. 1. p. 37; MnJiL! gram. p. 36 ; Torr. ! fl. 1. p. 52, (excl. syn. 
Ell.); Big. ! fi. Bost. eel. 2. p. 23; Bed; hot. p. 426; Gray! Gram. !f 
Clip, part 1, no. 84; Darlingt. ! fl. Ccst. ed. 2. p. 18. 
S. ciliatifolius, Darlingt..' fl. Cest. ed. 1. p. 7. (not of Elliott.) 
S. Muhlenbergii, S]>reng. syst. 1. p. 207. 
SciRPUs culmo angulato, sulcato, 6cc. Gron.lfl. virg. p. 11. 
Root fibrous annual. Ctilms densel}' cespitose, very slender, 3 — 8 
inclies high, somewhat quadrangular. Leaves mostly radical, 2 — 3 
inches long, channelled, minutely serrulate or denticulate towards the 
extremity; sheaths rather loose and membranaceous. Involucre 2 — 3- 
leaved, setaceous, one of the leaves a little longer than the spikes. Rays 
of the umbel about half an inch long. Spikes 2 lines long, somewhat 
quadrangular, rather obtuse, 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 eraarginate. Stamens 2. Style filiform ; 
the divisions downy. Nut short, acutely triangular, whitish or brown, 
very obtuse, but apiculate with the remains of the style, 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. Blgeloio! ; near New Haven, Connecticut, 
Dr. Tullij ; abundant in the sandy districts of New Jersey! ; 
Western parts of the State of New York, Dr. Gray!; VennsyV 
\ama, Muhletiberg ! ^^ Dr. Darlington! ; Wilmington, North 
Carolina, Mr. Curtis .', and Salem, in the same State, Sch- 
weinitz ! 
Vol. 111. i^ 
