408 98. GaAMINEiE. 



Tr. XI. FE8TUCEJE. Spikelets with 2 or more flowers, 

 upper often barren. Ol. falling short of the lowest flower. 

 Style short or 0. 



t Lower pale with nearly parallel veins which do not join to form 

 an awn. Awn 0. Styles terminal. 



{ Lower pale 2 — 3-fid. 



31. Teiobia. F1. 2 — 4. Lower pale rather coriaceous, 

 rounded on the back, bifid with an intermediate broad point. 

 Nut free. 



4.4 Lower pale nearly or quite entire. 



32. KcBLBBiA. Gl. unequal ; upper 2 — 3-ribbed. Spikelet 

 compressed, 2 — 5-flowered. Lower pale keeled, acuminate, 

 or with a straight subterminal bristle. Nut free. 



33. Mblica. Gl. nearly equal, with lateral ribs, nearly as 

 long- as the ovate spikelet consisting of 1 or '2 flowas 

 rounded on the back and a clublike rudiment. Pales hard- 

 ening on the free nut. 



34. MoLiNiA. 01. unequal, without lateral rihs, falling short 

 of the lanceolate spikelet of 2 or 3 semicylindrical flowers 

 and a subulate rudiment. Pales hardening on the free nut. 



80. PoA. Gl. rather unequal. Lower pale 3 — 5-veined, 

 scarious at the tip, comp)-essed, keeled. Nut elliptic trigo- 

 nous, slightly furrowed within, free. 



36. Gltcebia. Gl. unequal, submembranous. Lower pale 

 with 5 — 7 strong prominent ribs and a scarious margin, sub- 

 cylindrical. Nut oblong, convex on back, furrowed within, 

 free. 



37. ScLEBOCHLOA. Gl. Unequal, membranous. Lower pale 

 with 5 faint veins, cylindrical below, often keeled at the tip 

 or with a very minute mucro. Nut oblong, convex on back, 

 not furrowed within, free. 



38. Bbiza. Gl. nearly equal, broad, 3-ribbed. Fl. 3 — 8, 

 densely imbricate in a short distichous spikelet. Lower 

 pale boatshaped, heartshaped, blunt, rounded on the back. 

 Gl. and pales membranous with a scarious margin. Nut 

 free. — Lower pale with 7 — 9 faint veins. 



