Vjjperus. TRIANDRIA MONOGYNIA. 1^9 



18. C. castaneus. Linn. Sp. PL ed. Willd, 1, 278. 



Culms from two to six inches high, length of the leaves. Umbels 

 generally compound ; length of the involucre. Scales with long recurv- 

 ed points, mouandrous. Seed rugose, obtusely trianguiar. 



A most beautiful delicate, small species ; delights in moist, san« 

 ^y, pasture land. 



Kcjt libious. — Culms erect, from two to six inches high, naked, 

 three-sided, smooth. — Leaves sheathing, filiform, scarcely so long as 

 the culm. — Umbel terminal, one or one and half inches, simple, or 

 compound, but iii general composed of from one to five small pedujs- 

 cled umbeliets ; and one or two sessile ones. — Spikdets linear, many- 

 ilowered. — Scales throe-keeled, with a recurved point, green keel 

 and ciit^snui coloured sides.— S/awert sin^^le, (at least I have not 

 iound more.) —StijU two-cleft. — Seed obtusely three-sided, oblong. 



rutioie. 



19. C. difjormis. Linn. Sp. FLed.Willd, 1. 280. Fahl Enum, 

 2. 337. 



Culm from nine to eighteen inches high, angles sharp. Vmbek 

 fom|)ound, umbeliets globular, spikelets crowded. hivolucre from 

 two to three-leaved. Scales imbricated. Seed obovate, three-sided, 



Gramen cyperoides, &.c. Pluck, aim. 192./. 3. 



Seng. Behooa. 



Grows equally in either a dry, or wet sandy soil. 



Hoot fibrous Culms two-thirds naked, erect, from nine to eigh- 

 teen mches high, three-sided, smooth, angles sharp. — Leaves sheath- 

 inw, aslon^asthe culm, keeled, smooth. — C/m5eZ compound, small, 

 bein<y only about an inch and a half each way. Umbeliets from two 

 to four, sub-sessile, and from two to four longer or shorter peduncled, 

 globular, composed of innumerable, very small, oval spikes. — Ll- 

 volucre from two to three-leaved, very unequal, the longer being half 

 as lonu as the culm ; and ihe third (when present) less than an iuclio 

 '-SiuUs lUibjicated, marguis menibraaaceous.— »S^s(i? three-sjded. 



