10. Eragrostis.] 139. GR AMINE JE. 



equal ; fig. gl. •08--1" long, rather turgidly broadly ovate (when un- 

 folded) with rounded tip or obtuse, lateral nerves very weak, midrib 

 microscopically scabrid ; palea as large, somewhat obovate, concave 

 towards rhachilla, keels scabrid. Grain •02--025", shortly ellipsoid, 

 obscurely 3-gonous, reticulate. 



Mongliyr, J/o«i. ! Siugblium, on high ojTound ! Fl. Auor.-Sept. Perenuial. 

 Leaves nearly all radical. 



11. DESMOSTACHYA, Stapf. 



Spikelets much compressed, imbricate, secund sessile and articulate 

 on the very short densely crowded branchlets of a tall narrow racemi- 

 form panicle, acute and deciduous ; rhachilla siibarticulate. 



Other characters of Eragrostis. 



1. D. cynosuroides, Stapf. Syn. Eragrostis cynosuroides, Beaiiv. 



Rather stout 1-3 ft. high from a vertical deeply subterranean root- 

 stock. Leaves up to 18" and -2" wide, tips setaceous, margins minutely 

 scabrid, movith of sheath with or without long hairs. Panicle strict 

 racemiform, linear or oblong 3-12" long by •25-1-25" broad, grey- 

 green bearing densely secundly arranged spikelets •25--3" rarely "5" 

 long in 2 series along the 1-3-nate short branches of which the lower 

 are about -7-1" long or less, or spikelets borne direct on the main 

 rhachis above. C41umes 15-30 ; ii twice as large as i ; flg. gl. '6- 

 •07" long, ovate obtuse or apiculate when unfolded, lateral nerves 

 reaching about half way to -margin. 



In open grass lands. Behar, Hope I Shaliabad, iei'tw^e! Gya,, Mokim I Mon- 

 f^hyr, MoJdnil Santal Parg., Nu^kerl Ranchi and Palamau, near Netei'hat, elev. 

 2000 ft.! FL, Fr. June-Nov. Perennial. 



Panicle sometimes interrupted at l)a»e and narrowly pyramidal, branchlets 

 glabrous or hispidulous. Fig. gl. rather coriaceous, keels scaberulous. Palea 

 nearly as long, reduplicate, keels microscopically scabrid. Grain obliquely ovoid, 

 obscurely trigonous. Rhachilla easilj^ disarticulate. 



12. DIPLACHNE, Beauv. 



Tall perennial grasses with narrow flat or convolute leaves. 

 Spikelets many-fld. spicate on the slender simple branches of a tall 

 simple panicle ; rhachilla jointed at the base and beneath each fl. gl., 

 not produced beyond the uppermost glume. Glumes manj% i and 

 ii unequal, obtuse, membranous, 1-nerved, persistent ; flg. gls. 

 rather longer, oblong, 1-3-nerved, tip 2-4-toothed, mucronate or 

 awned ; palea linear. Lod. broad. Stamens 3 with short anthers. 

 Styles distinct. Grain ovoid-oblong, subtrigonous, free within the 

 gls. and palea. 



1. D. fusca, Beauv. 



A tall grass 3-5 ft. with long narrow smooth leaves and laige mem- 

 branous lacerate ligule. The panicles are 6-18" long with long erect, 

 finally nodding, branches. Spkts. •3--4" long, linear, 4-10-fld., very 

 shortly pedicelled. Gls. i and ii with erose tips and nearly smooth 

 keels ; llg. gls. -12" long, 4-toothed at tip and aristulate by the 

 excurrent midrib, lateral nerves inconspicuous submarginal. 



962 



