69 



TRIANDRlxl MONOGYNIA. 



lari, IjBvissime sulcato^ I furrowed 5 bristles seta- 



setulis setaceis. 



Pursh, 1. p. 48. 



ceous. 



Sclicenus distans, Mich. 1. p. "36. 



Stem 12 



20 inches high. 



Leaves linear, glabrous, with the mar- 



gins serrulate; sheath at base closed. ._„„._ „. ,__.,„ „...„„.,, 

 on peduncles moderately long; each spikelet sessfle. Seed to the 

 naked eje nearly smooth, under a lens transversely sulcate ; tubercle 

 nearly conic, depressed, short; bristles setaceous as long as the seed. 



Grows in wet soils. 



Flowers June — September. 



7. Punctata. 



E. 



R. tascjculis approxi. [ Fascicles lateral and 



matis 



ad summitatem terminal 



caulis, lateralibus termi- 

 iialibusque -, seminibus 

 nigosis, punctatis. E. 



Stem slender, I 



near 



together 



at the summit of the 

 stem J* seeds rugose, dot- 

 ted. 



acufe scihronr^.rl ^^ '' ^ f "S^ed. Leaves linear-lanceolate, 

 lY«^^r, in Z H T • '. """f '"'' '^'-^^^y channelled, generally short, 

 .vhere the ioint. Jf "'''' '^^'^^'''^ '''^' ^^' ^""^"'^t of the stem, 

 rronate thiTnl T ^^7 ^)''^' ■*^«^^'* glumes of the califx mu- 

 pressed'. *eroS ^^'' ''"^ ^"-"^^' ^^^tld in the furrows, com- 

 than the' seeT 1 . ^^^ompressed, conic tubercle. Bristles longer 



tered eads is swi ' f ^''*"1!'' ^''"^ ''^'^^^ ^t differs by its clus- 



th^t spSis tut; T'',' ^t P""^ipally by the seed, which ia 



pr^ s?d wl^ e S;'"* l^-:-^ ^''S '/ly furrowed, 'with the tubercle de- 



8. Fascicularis. 



R. floribus fasciculatls, 

 lateralibus terminaHbus- 

 que ; bracteis brevibus • 

 spiculis oblongis ; squa! 



nus mucronatis 



setulis 



. "MHO, OClUllS 



senijue laivi dupio longi- 



Flowers in fascicles, la 

 teral and terminal: brae 



teas short 



long; sra 



3 



pil^elets ob 

 mucronate 



oribus. 



bristles twice as Ion 

 the smooth seed 



o 



Pursh, 1. p. 48, 



Schcenus fascicularis, Mich. 1. p. 



7. 



