1022 CXLTII. (IHAMINE.E, 



Spikelels i^ in. long; panicle sliort, coip.pa 't, cjlin- 



dric, ^-1^- in. long 3. E. ciliaris 



var. hrachystachya. 

 Spikelets ,'5- J in. long; panicles 2-8 in. long. 

 Grain ovoid ; stamens 3. 



Stem and rbacliis of panicle not viscid below. 



Panicle open; nodes bearded 4. E. tenella 



var. jdamosa. 

 Panicle very narrow, conti acted ; rbacbis 



glabrous ' var. riparia. 



Stem and rbaohis of panicle viscid below var. viscosa. 



Grain obovoid ; stamens 2; panicle narrow, ol'teu 



iutcrnipted, 6-18 in. long i^. E. interrupfa 



var. Kxnic/ii. 

 Rhachilla of spikelets tough, persistent ; flowering glumes 

 falling away from its base upwards. 

 Spiklets pedicellate. 



Spikelets flat, ovate-elliptic or oblong; lateral nerves of 

 flowering glumes very prouiinent, straight, almost 



percurrent ; paleas deciduous with their glumes G. E. amah ill s. 



Spikelets less compressed, linear or lincar-obloug ; 

 lateral nerves less prominent ; wlien spikelets com- 

 pressed or lateral nerves prominent, tljen with per- 

 sistent palete. 



Spikelets more or less fascicled on the primary or 

 secondary branches or shortly pedicellate in 

 narrow racemes. 



Leaves glaucous ; grain oblong 7. E. gangeiica. 



Leaves not glaucous ; grain globose or nearly 



so 8. E. slenophylla, 



Spikelets not fascicled ; long-pedicellate, more or 

 less divaricate when ripe. 

 Leaf-margins glandular. 



Lower invol.-glume 1-o-ncrved ; upper 



invol.-ghnne 3-nerved 0. E. major. 



Both invol.-glumes 1-nerved 10. E. minor. 



Leaf- margins eglandular ; invol.-glumes 1- 

 nerved. 



Spikelets versatile, 1 in. or more long, 

 narrowly linear ; branches of panicle 



solitary 11. E. iremula. 



Spikelets small, ^ in. long or less. 



Perennial ; mouth of leaf-sheath naked ; 



branches of panicle solitary or 2-nate. 12. E. tenuifulia. 

 Annual; mouthofleaf-sheatii bearded ; 

 branches of panicle usually more or 



less whorled 13. E. pihsa. 



Spikelets sessile and jointed on the vci-y short densely 

 crowded branchlets of a tall narrow raceme-like panicle, 

 deciduous, acute, much compressed, imbricate and 



soeund 14. E. cynosuroiilcs. 



Spikelets disticiiously spreading, sccund, in a long simple ter- 

 minal spike; keels of palea winged 15. E.hifaria. 



]. Eragrostis ciliata, Nees, Ar/rost. Bras. (1820) p. 512, Obs. 1 

 (nom en nudum). Perennial; stems 1-2] ft. long, erect or genic-iilately 

 ascending, terete. Leaves linear-lancoolate, finel}^ acuminate, s])reading, 

 2-0 by jV* >i i"-> fl^^ 01' convolute, smooth, glabrous ; sheaths bearded 

 at the raoutii ; ligule o£ a few hairs. Tanicle spiciform, 2-3 by :\ in., 

 cyliudric, compact; branches much shortened; rhaohis linely bearded at 

 tiie nodes. Spikelets jxt\ ''^- '^'^"S' much compressed, 0-1 2- flowered. 

 Invol.-glumes ovate, acute, hyaline, ciliate ; Moral glinnes ^^-\ in. long. 



