^02. THREE MALES. TWO FEMALES. Feftuca. 



elatior* 13. F. panicle one-rank'd erc6l,fpikeletsfoniewhat awnM: 



the exterior ones columnar. taller. 



jiuitam. 14. F. panicle branchy erect, fpikelets fubfeflile columnar 



awnlefs. floating, 



crlftata, 15. F. panicle fpiked lobed, fpikelets egg'd broad fix- 



flower'd flaggy » crejled„ 



calycina. ii. F. panicle contradted, fpikelets linear, calyx longer 



than the florets, leaves bearded at the bafe. calyx, 

 fpinofa, F. fhrubby, branches and branchlets thorny, pedicels 



prickly. S. thorny. 



89. BROMUS. Cal, 2-valved. Spikelets oblong co- 

 lumnar two-rank'd : awn beneath the 

 fummit. 



fecalimis, 

 mollis, 

 fquarrofus. 

 purgans, 

 afper, 

 iner?nis. 



nemer, 



alis. 



ciliatus. 



Jlerilis, 



arvenfts. 

 gentculatus . 



te riorum, 

 glganteus, 



rub em. 



fcoparius. 



I. 



2. 



2. 



B. panicle expanding, fpikelet egg*d : awns ftraight 



feeds diftinCL. rye, 



B. panicle ere6ti{h, fpikelets egg'd pubefcent : awns 



ftraight, leaves moft foftly villous. foft^ 



B. panicle nodding, fpikes egg'd: awns divaricated. 



ragged, 

 B. panicle nodding curled, leaves naked on both fides : 



fheaths hairy, glumes villous. purgative, 



B. panicle nodding rough, fpikelets villous awn'd, 



leaves rugged. S. rough. 



B. panicle ere6t, fpikelets fubcolumnar awl'd naked 



almoft awnlefs. unarjiid. 



B. panicle nodding rugged, fpikelets v'Uous awn'd 



leaves rugged. grove. 



B. panicle nodding, leaves and {heaths hairyifh on 



both fides, glumes fringed. fringed. 



B. panicle expanded, fpikelets oblong two-rank'd, 



glumes awl -awn'd. Jlerile, 



7. B. panicle nodding, fpikelets egg-oblong. field. 

 19. B. panicle ere61:, florets diflant, peduncles angled, 



culm with a procumbent knee. knotted. 



8. B. panicle nodding, fpikelets linear. wall, 

 11. B. panicle nodding, fpikelets four-fiowcr'd : awns 



fhorter. gigantic. 



ic. B. panicle fafcicled, fpikelets fubfe/Iile villous : awns 



erecSl. hlufinng. 



II. B. panicle fafcicled, fpikelets fubfeiHle fmooth : awns 



expanded, brujh. 



18. B. 



5- 

 6. 



