to the Genera.] III,—TRIANDRIA. 37 
{{Rachis articulate below the ee spikelets 
36] 83. Iseil 
[p. 3 seilema. 
{Mature spikelets breaking - leaving the rating or alc 
f 2 
glumes on the pedicel, or alling entire not compose 
heteromorphous oe :—[p. 34] 
§Spikelets not inserted in notches or pits of a simple rachis :— 
‘Spikelets panicled, or if spicate not secund :—[p. 38] 
Spikelets 1-flowered, rachilla not or rarely oo beyond 
the floret ; awns when present twisted ; styles 
Glume III aay did in fruit and tightly saspin the grain ; 
awns usually 3- 7. Aristida. 
lumes all mem = nous; awns if i poset rie -- 
Spikelets sea: —- 
I omink. bas gkawie 1088. Polypogon. 
Rae : pis II ee not awned :— 
Pericarp of grain — to seed ...... 1089. Agrostis. 
Pericarp of grain loose............-+. 1090. Sporobolus. 
ane! very narrow, ar glumes finely acuminate 
1091. Garnotia. 
Spikelete bo or more-flowered :— 
Rachilla not continued beyond the upper floret :— 
Spikelets not awned; rachilla elongated between the 
flowering glumes, but not penicillately hairy; styles free 
1092. Cee! 
lachne. 
Spikelets awned :— 
Florets 2, dissimilar, the lower awnless male or barren ; 
styles free or connate below ........- 1093. 
— 2-many, similar except the uppermost, which 
gradually nedsioad ¢ styles free ...1094. Eriachne 
R schille ¢ continued beyond the upper floret or if not con- 
tinued (Phragmites) then elongated between the flowering 
glumes and penicillately hairy ; —- er free :— 
Spikelets awned sate wn tw 
_— not awned or if i with ae awn not 
ae tesselately nerved ; fruiting glumes with reflexed 
1096. Centotheca. 
istles : 
**Spikelets very minute, in globose clusters on an 
elongated simple rachis [p. 38]...1097. Elytrophorus. 
D 
