MOXOCOTYLEDOXOUS OR ENDOGENOUS Pl.ANTS. GOl 



C. Dactylon, Pers. Spikes 3-5, filiform, purple ; glumes 

 rough-keeled; palece longer tliiin the glumes, the lower one 

 boat-shaped, and hairy on the keel ; anthers and stigmas 

 purple. (Digitaria Dactylon, Ell.) Waste places. Culms 

 perennial; leaves 2-4' long; spikes 1-2' long, filiform. 



DACTYLOCTENIUM, AVilld. Crowfoot Grass. 



Annual creeping or spreading hranching grasses, with 

 flat leaves and digitate rarely single spikes ; spihelets 

 2-several-flowered, crowded on one side of the flattened 

 rachis ; the uppermost flower imperfect; glumes 2, com- 

 pressed-keeled, membranaceous, the upper (exterior) Q,\sn- 

 pointed ; j'Ja/efl? 2, boat-shaped, pointed; stamens 3; stig- 

 mas plumose, with branching hairs; grai7i roundish, rugose, 

 free. 



D. ^GYPTiACUM, Willd. Culms ascending from a creep- 

 ing base ; leaves fringed ; spikes commonly 4, «2t'?i-pointed ; 

 spikelets 3-flowered. (Eleusine ? cruciata. Ell.) Cultivated 

 ground, common. Culms numerous, 1° high ; spikes l'-2' 

 long. 



ELEUSINE, Gsert. 



Characters chiefly of Dactyloctenium, but the narrower 

 glumes and palece obtuse and awnless ; stigmas plumose, 

 with simple hairs; spikelets closely imbricated. Low an- 

 nuals. 



E. Indica, Gaert. Cultivated ground, very common. 

 Culms (6-18' high) flattened; leaves flat; spikes 2-seve- 

 ral, the lower ones sometimes scattered (2'-4' long) ; 

 spikelets 6-flowered. 



LEPTOCHLOA, Beauv. 



Flat-leaved grasses, with the numerous spikes disposed 

 in a terminal raceme; spikelets sessile, loose on one side of 

 the elongated filiform rachis, 3-many-flowered ; glumes 2, 



2Q 



