80 TRIANDRTA MONOGYNIA, 



capitaUs compactisj in- I heads; involucrum very 

 volucro longissimo. E. j long. 



Sp. pi. I. p. 283. Va!il. Enum. pi. 2. p. S^6. Pursh, 1. p. 51. 



Stem Q—5 feet high, nearly round. Leaves linear-lanceolate, chan- 

 nelled, fmelv serrulate near the summit, 3—3 feet long, 3 4 lines 



vide J sheath at base closed, marcescent Involucrum 4 leaved, the 

 lovver leaves very long. Flowers in sliort, oval spikelets, generally- 

 5) nowered, laterally appressed into compact heads. Glwiies ovate, 

 rather acu«e. Styles 5 cleft. Seed oval. Is 



Grows in ponds and ditches 10 miles from Savannah, on the Au- 

 gusta road. Un James Island, and around Charleston. Not common. 



Flowers June-September. Compact-headed Cyperus. 



!). ViREN^. Mich. m 



C culmo acutissime [ Stem acutely 3 angled; 



tnqnetro ; unibellis de- | umbels decompound ; 

 coniposits ; spiculis ova- spikelets ovate-Ianceo- 

 to-lanceolaUs, sub globo- [ lute, in compact globose 

 ^o.capitatis compartis ; I heads ; involucrum verr 



Involucro longissimo. E. j long. 



Mich. 1. p. 23. 



Cj-^jerns glomeratus, Walt. p. 70. 



.l,at col„™'^''*;,,^''L°'_'?"""-. 'I'-^.'S linear.lanceo- 



somewhat 

 «»nir, 4 — 6 



ssed 



^*■ 



virous in rich swamn- t* "x»n, / 



the hand, .l,e s.en, »iircut seTeS-^iJb r,t"''"''^'''™ " '^™"^'' 

 ibwers ttiay— Oct '^^'^^eiy with its sharpangles. 



Sharp Grass, 



40. FlLlCULMlS 



^U nX^T'''- ^"'^ ^^^^'^ expanding 



' "i>oiucri& til- 1 ed; mvolucrum thre( 



