90 GLiAMiNEAE (OUASS KAMihV) 



Tribe Vin. -CHLORfDEAE. Splkelets l-several-flowered, In ]-Hl(l(;rI Hjilkt^K wliloh ato dijfltate ol 



iiaiilculato, floirietlmos Bolltjiry. 



* SplkelctH all alike. 



-*- Splkelets strictly l-flowerod, no Htcrilo lernma. 



+<■ Rhocliilla articulated below the glumes. 



-lh(, Spart;ina. Glumus narrow, unequal. 



49. Beckmannia. GluincB broad, boat-shaped, Inflated, equal. 



+*■ +*■ Rhachllia articulated above the glumes. 



50, Cynodon. 8plken digitate ; plants extenHlvely creeping. 

 [31, Schedonnardus. Bplkes paniculate ; plantn caespltoBO, 



-I- -h- Splkelets with mciro than 1 floret, 

 ++• Perfect floret 1, additional florets stamlnate, neuter or rudimentary. 

 - LowpHt floret perfect. 

 ■ t}2. Gymnopogon. Splkelets remote. JipprewHod. 

 !53. Chloris. Splkelets Imbricated; fertile lemma l-awned or awnloBs; spikes more or lesfl 



ulK.i'ied f»r dictate. 

 M. Bouteloua. Splkelets imbricated ; fertile lemma 8-ftwned; spikes rtt<M)mo8e. 



-= — Lowest florets neuLer, tUJrd perfect, 

 515. Ctenium. Spike solitary ; second glumo bearing a stout divergent dorsal awn. 

 ++ -M. Perfect florets 2 or more. 

 — Spikes few, stout, digitate, 

 50, Dactyloctenium. lihaohls of spike prolonged beyond the splkelets; second gluine and at 



If'ttst lovvi'St lemma cuspidate. 

 57. Eleusine, Khachis of spike not prolonged beyond the splkelets, neither glumes nor lemmas 

 cuspidate. 



— — Spikes numerous, very slender, racemose. 



!')^. Leptochloa. Splkelets not crowded, often slightly jjodlfelcd. 



♦ * Splkelets unisexual, dissimilar; plants dioecious nr innnoeclous. 



t)'.>. Buchloii. Htaminate spikes exsertcd, racemose ; pistillate splkelets nearly capitate, partially 

 Included in broa^l sheaths. 



Pribe IX. FESTtrCEAE. Splkelets '2-m any-flowered, usually perfect, \>^^<\Wv.\\o,ti^ in racemeN ur In 

 Ir^one or define panicles ; glumes shorter tlian the lowest floret; letiimas I-seveml-iierved, awn- 

 less or with l-several straight awns, terminal or borne just below the apex. 



* Khiiehllla clothed with long silky hairs, exceeding the florets. 

 60. Phragmites. Lowest floret stamlnate, the others perfect. 



* * Rhachllia naked or with hairs much shorter than the florets. 

 ■*- Callus and nervcH of lemma dennely bearded (not eobwebby). 



fil. Tridens. The three nerves or only the middle one excurrent bctwcm tin; acuir loln-s <>! ihc 



liMJiina ; palea not clllati'-frlnged. 

 G%. TriplaBiS. Midnerve excurrcnt hetweon the truncate lobes of the IciiiTna ; puleu con»plcii- 

 oii-4ly eiliate-fringed; florets remote. 



4- ■§- Callus and nerves glabrous or cobwebby, or callus sparsely beardcl. 

 -1+ Lemma coriaceous, smooth and shining, without a scarlous margin. 



— Spikeletfl dioecious. 



6H. DistichliB. Splkelets large, compressed, in a small crowded pani<-,lc. 



— — Splkelets perfect. 



67. Uniola. Lowt-f l-4 lemmas empty. 



66. Diarrhena. Upper 2-4 lemmas empty. 



+*• -n- Lemmas mcmbriinaceous, or If subcorlaceous having a scarloiis margin. 



— Lemmas JJ-ncr ved. {Kotipiia might be looked for here, bqt the upper glnmi; about iM|ualf 



the low.T flortt.) 



68, ^ragroetis. Spikdets ;i-riiany-flowered. 



