88. THRE 



Baothrpn* 



E MALES. ONE FEMALE. 



Scirpus. 



lacujfris. g. 

 Jiolojchoe- lO. 



HUS, 



aujiralis* 



romanus, i r . 



fetaceus. 12. 

 fupinus, 13. 



Gutumnalh, 



capillar Is, 14. 



irijiachyos, 



ghhlferus. 



triqueter, 28. 



mucrojiatus,!^. 



dkhotomusy 16. 



echinatus, i y . 



retrofrac- iS. 

 I us. 

 ferrugineus.K^. 



ipadiceus. 20. 



S. culm round ftriated naked fheathed at the baTe, 

 fheath lop'd, fplkes terminal few-fiower'd two! 

 valved : with valvelets egg'd fhorter than the? 

 fpike, parched on the edge : with the exterior one 

 fhorter. S. 



* * With Cuhn rou7id many-fpiked. 



S. culm columnar naked, fpikes egg'd numerous 

 ped uncled terminal. /^^^, 



S. cuhn columnar naked^ fpikes fubglobular glomerated 

 peduncled, involucre two-leaved unequal dao-- 

 ger'd. ^ 



S. culm columnar naked, headlateral^ bra^le refleaed, 

 leaves channel'd. fouihern, 



S. cuhn columnar naked, head lateral conglobulaf, 

 brac^e refleaed. ^oman, 



b. culm naked briftlj-, fpike terminal feiTile. brifily, 

 S. culm_ columnar naked, fpikes feffile glomerate m the 

 middle of the culm. fupine. 



S. culm two-edged naked, umbel decompounded, 

 fpikelets egg'd. autumnal 



culm naked capillary, fpikes peduncled with the 

 intermediate one feiTile. capillaris. 



culm naked briftly, fpikes three'd feiTile, involucre 

 two-leaved briltly. S, three-fpiked: 



culm round naked, umbel terminal compounded : 

 with leaves globular from many fpikelets clofelv 

 colleaed. S. globe-bearing. 



With Culm three-fided., Panicle naked. 

 S. culm three-fided naked, fpikes lub-feffile and pe- 

 duncled, equallmg the dagger. three-ftded, 

 b. culm trianglcd naked pointed, fpikes conglomerated 

 feffile lateral. "^ dagger d. 

 culm three-fided naked, umbel decompounded 

 fpikes of ^the fork kme. two-fork' d, 

 culm three-fided naked, umbel fimple, fpikes eg2;M„ 



hedge-hoq' d. 



culm three-fided, umbel fimple, florets of "the 



fpikes retrofraaed. retrofrancd. 



b. culm three-fided nakedilh, involucres the length of 



the panicle fringed. ^ iron. 



S. culm three-fided naked, umbel nakedifli, fpike? 



oblong fefTilc and terminal. fpadlx. 



S. 



S. 

 S. 



* * * 



