414 98. GEAMINBiE. 



flowered, awnless. Gl. unequal ; upper lanceolate. Pales 

 unequal; lower toatshaped, compressed. Styles long, 

 united halfway up. Stigmas feathery. 



6. MrBORA. Inflorescence a somewhat 1-sided raceme. Gl. 

 not keeled blunt. Fl. 1. Pale 1, scarious, very hairy, 

 blunt, not awned. 



Tr. ni. PHALARIBEjE. Panicled. Spihelets laterally com- 

 pressed, \-floioered, with 1 or 2 glumelike inferior rudiments, 

 or 1 or 2 inferior male flowers. Gl. equal covering the 

 flowers. Styles long. Stigmas filiform. 



7. Phaiabis. Gl. 2, boatshaped, keeled, membranoua, nearly 

 equal, exceeding the flower. Pales coriaceous, unequal, 

 closely investing the fruit. Eudimentary fl. 1 — 2, scale- 

 like. 



8. AuTHOXANTHtntf. Gl. 2, unequal, membranous; lower 

 small, 1-veined ; upper exceeding the fl., 3-veined. Pales 

 scarious. Stam. 2. Rudimentary fl. 2, scalelike, bifid, 

 awned on the back. 



9. HiEKOCHLOE. Gl. 2, nearly equal, membranous, about 

 equalling the spikelet. Fl. 3 ; 2 lower male, 3-androus, 

 upper pale with 2 keels ; upper fl. perfect, 2-androus, upper 

 pale with 1 keel. 



Tr. IV. FHLEINEM. Inflorescence dense, spikelike. Spike- 

 lets laterally compressed, \-Jlowered or with a superior rudi- 

 ment. Gl. nearly equal, covering the flowers. Styles long. 

 Stigmas flhform. 



10. Phleum. Gl. compressed, keeled, parallel at the midrib, 

 truncate, with a terminal seta, or acute. Fl. 1. Pales 2, t 

 membranous; lower 3-veined, blunt, without awns, or 

 with a minute central point. 



11. AiOPECTTRUs. Gl. compressed, connate below, membra/- 

 nous, awnless. Fl. 1. Pale 1, scarious, 6-veined, awned 

 on the back. 



Tr. V. SESLERIE^. Panicle spikelike. Spikelets laterally 

 compressed, with 2 or morefiowers. Styles or very short. 

 Stigmas very long, filiform. 



12. Sesleeia. Spikelets sessile, imbricate aU rotmd. Gl. 

 2 — 6-flowered, nearly or quite equalling the spikelet. 

 Lower pale keeled, membranous, with a scarious margin, 

 ending in 3 or 6 points ; dorsal rib excmTent. 



