ScirpUS. TRIANDRIA MONOGYNIA. 227 



37. S. aestivalis. Reiz. Obs. iv. 12. 



Spi kes rounded, sub-squarrose ; involucre six-leaved, long- 

 er than the compound umbel ; scales monandrous. Vahl. 

 enum. ii. 288. (under Fimbrishjlis.) 



I received this elegant little grass from Nepala where it 

 grows in low fields during the rainy season. 



38. S. diplu/l/us. Linn. sp. pi. ed. Willd. i. 301. 



Culms erect, from one to two feet high, semi-culumnar. 

 Umbel decompound ; scales obtuse, diandrous. Seeds round- 

 ish, obcordate, smooth. 



Finibristylis diphylla. Vahl. enum. ii. 249. 



Delights in a rich wet soil. 



Root fibrous. Culms erect, seven-eighths naked, from one 

 to two feet high, sometimes a little compressed. Leaves chief- 

 ly radical, half the length of the culm, rigid. Umbel termi- 

 nal, decompound. Involucre two or four-leaved, the larger 

 about the length of the umbel; partial involucres small; 

 spikes numerous, oblong', some sessile, some peduncled, ex- 

 clusive of the naked rachis of those that are old, dark brown. 

 Scales oblong, obtuse, dark brown. Stamens two. Stigmas 

 two cleft. Seed obcordate, much compressed, smooth, brown. 



39. S. miliaceus. Linn. sp. pi. ed. Willd. i. 305. Rottb. 

 gram. 57. t. b.f. 2. Retz. Obs. 5. 16. 



Culms erect, from one to two feet high, semi-culumnar. 

 Umbel decompound. Involucres and involucels shorter than 

 the umbels and umbel lets. Seed obcordate, striated. 



Fiinbristylis miliacea. Vahl. enum. ii. 287. 



This species delights in wet pasture ground. 



Root fibrous. Culms erect, from one to two feet hijrh, se- 

 ven-eighths naked, generally round, though sometimes a little 

 compressed, and chiefly near the apex striated, otherwise 

 smooth. Umbel decompound, very thin. Involucre three or 

 five-leaved, unequal, but the largest is seldom so long as the 

 umbel. Involucels like the involucre, but much smaller. 



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