386 
97. GR AMINES. 
twisted. Ovary hairy at the top. Fr. crested and fur- 
rowed. 
30. Abrhenathertjm. F1. 2, with a rudiment; loiver f. 
male with a long kneed and twisted awn from below it,-; 
middle ; upper with a short straight awn from near the 
tip. Pales herbaceous, ending in 2 points. Ovary hair%- 
at the top. Fr. oblong, terete, downy, not furrowed. 
Tr. XI. FESTJJCEJE. Spikelets with 2 ormore flowers, upper 
often barren. Gl. fcdting shm't of. the lowest flower. Styles 
short, or 0. 
t Lower pale with marly parallel veins which do not join to for m 
an awn. Atm 0. /Styles teitninal. 
4. Lower pale 2 — 3-fid. 
.31. TniopiA. Fl. 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. KcELERiA. Gl. unequal; upper 2 — 3-ribbed. Spikelet 
compressed, 2 — 5-flowered. Lower pale keeled, acuminate, 
or with a straight subtei-minal bristle. Nut free. 
33. Mbliga. Gl. nearly equal, with lateral ribs, nearly as long 
as the ovate spikelet consisting of 1 or 2 Jlotrers roimded 
on the back and a clublike rudiment. Pales hardening on 
the free nut. 
34. MoLiNiA. Gl. unequal, withotit lateral ribs, falling short 
of the lanceolate spikelet of 2 or 3 semicylindiical 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. Gltceria. Gl. imequal, submembr.anous. Loxcer imle 
with 5 — 7 strony prominent ribs and a scarious margin, sub- 
cylindrical. Nut oblong, convex on back, furrowed within, 
free. 
. 37k SciiEBOCiiLOA. Gl. unequal, membranous. Loioer pak 
with b faint veins, cylindrical below, often keeled at the tip 
or with a v€ry minute mucro. Nut oblong, convex on back, 
not fruTOwed within, free. 
38, Bbiza. Gl. nearly equal, broad, 3-ribbed. FI. 3 — 8, 
densely imbricate in a sliort distichous spikelet. Lower 
