Sdrpus. "WiAUDuiA MONOaYNrA* 4S&- 



Root fibrous. — Culms nearly erect, from one to two feet high, 

 naked, except at the base, four-sided, smooth. — Leaves radical, and 

 about the base of the culm, bifarious, tapering, nearly as long as the- 

 culm. — Umbel super-decompound, rather thin, and of an irregular 

 form. — Iiaohicie and involucels small, bristle-like. — Sjnk'es mi- 

 nute, glubufar, many-rioweied. — Stamens, from one to two, rarely 

 three. — Stigma two or three-cleft. — SeeiZ nearly gVobular, compress-^ 

 ed on the inside, scabrous, white. 



44. Sc. quinqiiangularis. Vahl. Enum. ii. 279' 



Culms from one to two feet high, five-angled. Lfiihel super-de-» 

 compound; involucre much shorter than the umbel; sca/es ova!, 

 monandrous. Seed three-sided, rugose. 



A native of similar places with the last species. 



Root fibrous. — Culms as in complauatm, and tetragonus, and of 

 the same height, bnt in this species always iive-sided. The angleat 

 sharp and the sides concave. — Leaves as in Sc. complauatus. — Um- 

 bel super-decompound, rather thin, and unequal as in Sc. tetrago-* 

 nus. — liivolucre three-leaved, the largest about the length of the 

 umbel. — Spikes mostly pedicelled, oval, very small, few, from six tv-> 

 eight-tlowered.— Scales o\vi\.— Stamen one.— S/%ma.- three-cleft.— 

 Seed oblong, three-sided, rugose* 



45. Sc. pallescens. R: 



Cidms from six to ten inches high,' ctrlumnar. Umbel super-de* 

 compound; rather shorter than the involucre, monandrous Scales- 

 obtuse. SeeJ obcordate, without angles, streaked, and wrinkled. 



A native of'low pasture ground. 



Root fibrous. — Culms nearly erect, from six to ten inches high, 

 mostly naked, nearly round and striated: — Z>fltr5 sheathing, as Ion* 

 as the culhi, concave ; edges slightly serrulate, somewhat woolly. — 

 Umbel terminal, super-decompound, large in proportion to the rest 

 of the plant. — Lnolucre two-leaved, nearly erect, opposite margins 

 alighlly seriUatC; longer than the umbel^ a few small "cales kiteraiis** 



