10. GRAMINEiE; 
PL end . ph. 
83 
Spathellules 2, awnless, acute ; lodicule 
lanceolate; glumelles not notched Milium. 98. 
Spathellules 2, awnless, acute; lower 
spafhellule 3-cut. . .. Vilfa. 88. 
Spathellules 2, lower ending in a bristle; 
lower spathellule 2-cut Calamagrqstis. 93. 
Spathellules 2, lower with a bristle below 
the apex ; glumes nearly equal, obtuse, 
nicked, with a long bristle Polypogon. 95. 
Spathellules 2, lower ending in an awn ; 
spathellules cartilaginous; awn jointed ...... Stipa. 97* 
Spathellules 2, lower ending in an awn ; 
spathellules membranaceous; awn not 
jointed Achnatherum* 92. 
Spathellules 2, lower with an awn below 
the apex, 3 or 4-toothed ; glumes very long, 
base ventricose Gastridium. 94. 
b. Glumes l-Jlowered ; lower spathelle smallest ; 
spathellules 2. 
Spathellules awnless, lower many-toothed ; 
glumes truncated, mucronate Poleum. 83. 
Spathellules awnless, lower acute; glumes 
very acute; locusta spiked, unilateral. .... Spartina. 87® 
Spathellules mucronate below the apex ; 
stigmata 3; awns turbinate, 3-sided; 
panicle spiked . Psamma. 86. 
Spathellule lower, with a bristle below 
the apex; upper 2>-cut; stigmata 2; panicle 
compound . Apera. 90. 
Lower spathellules ending in a bristle; 
glume truncated, fringed; axis digitate .... Mibora. 99. 
Lower spathellules awned below the 
middle; bristles 2, at the top; panicle spiked Lagurus. 96. 
c. Glumes imperfectly 2-jlowered j spathellules 2, awnless . 
Rudiment of the abortive flowret sessile, 
subulate ; glumes nearly equal, boatshaped, 
gibbous PiiALARis. 84. 
Rudiment of the abortive flowret pedi- 
celled, filiform; glumes equal; lodicule lan- 
ceolate, small Chilochloa. 82. 
Rudiment of the abortive flowret pedi- 
celled, clavate ; glumes very short, persist- 
ing ; axis digitate Cynodon. 51. 
G 2 
