215 TRiANnniA MoNooYNiA. Scirput. 



nus, but the flowers are more nvimerous. — Sca/es imbricated seem- 

 inoly without order, smooth,' lapped, margins broad, and membra- 

 naceous. — Stamens, briatles, Sec. as in tlie two preceding species. 



5. S. acutangiilus. R. 



Culms from two to three feet high, triangular. Spike terminal, 

 tapering, acute ; scales somewhat acute ; seeds bris'tly. 



Grows in similar places to those which produce the two last spe- 

 cies. 



Root as in the last species.— Ch//» three ^sided, from two to three 

 feet high, naked, smooth ; angles very sharp, even almost winged.— 

 Leavjs no other than a sheath or two in- olviiig the base of each culm. 

 — ;S'y>/A:e terminal, &,c. as in the two former, — Sca/es disposed spiral- 

 ly, oval, somewhat acute, 'striated, margins membranaceous. — Fila- 

 vients membranaceous. Brutlvs, Sen. as in tlie former two. 



Obs. It differs from S. spiralis in having the angles of the culm 

 sharp. In having the floweis few and disposed spirally. In having 

 the scales striated, oblong and somewhat pointed. 



6. S. medius. R. 



Culms from one to two feet high, three-cornered. Spike iermina)^ 

 sub-cyhndric; scales obtuse. Seeds bristly. 



A species resembling the last, and growing In similar places. 



Root as in the species already mentioned. — Ciilm erect, one or 

 two feet high, smooth, three-sided, angles rounded. — Spike as in 

 the former. — Sfcr/es smooth, obovate. — Stamens, bristles and instil 

 as in the last four species. 



7. S. incurvatus. H. 



Culms in tufts, culumnar,from six to nine incheshigh, incurved, leaf- 

 less, intercepted. Spikes in a globular, naked venlicil near the base 

 of the culm. Stigma Ir'ifid. Seed thr^e-sxle^. 



A native of moist places near Calcutta. Flowers during the cool 

 season. 



