480 
98. GEAMINE^. 
4.4. Lower pale nearly or quite entire. 
32. KoELERiA. Gl. unequal ; upper 2— 3-ribbed. Spikelet 
compressed, 2 — 5-flowered. Lower pale keeled, acuminate, 
or with a straight subterminal bristle. Nut free. 
33. Melica. Gl. nearly equal, with lateral ribs, nearly as 
long as the ovate spikelet consisting of 1 or 2 flowers 
roumied on the back and a clublike rudiment. |^ales hard- 
ening on the free nut. 
34. MoLiNiA. (tI. unequal, without lateral ribs, falling short 
of the lanceolate spikelet of 2 or 3 semicylindrical flowers 
and a subulate rudiment. Pales hardening on the free nut. 
35. PoA. Gl. rather unequal. Lower pale 3 — b-veined, 
scarious at the tip, compressed, keeled. Nut elliptic trigo- 
nous, slightly furrowed within, free. 
36. Glyceria. Gl. unequal, submembranous. Lower pale 
with 5 — 7 strong jrrominent ribs and a scarious margin, 
subcylindrical. Nut oblong, convex on back, furrowed 
within, free. 
37. Scleeochloa. 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. Briza. 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. 
+44. Lower pale truncate and denticulate at the tip. 
39. Gatabrosa. Gl. unequal, very short, 1-veined. Flowers 
usually 2, rounded on the back, distant. Lower pale 
membranous, with 3 veins ending in teeth which do not 
quite extend to the edge of the scarious margin. Upper 
gl. often with 2 short and faint lateral veins. 
ft Lower pale with converginy veins, all or 1 — 3 of which com- 
bine in the awn. 
40. Cynosurhs. Gl. nearly equal, scarious, strongly keeled, 
1-or more flowered. Lower pale rounded on the back with. 
