139. GRAMINE^. 



[10. Erageostis. 



ciliata. 

 coarctata. 



ciliaris 



(p. 956). 



I. Spikelets not secundly spicate, though sometimes in spici- 



form panicles (Spp. 1-13) : — 



A. Rhachilla of spkts. jointed and breaking up from 



above downwards : — 



1. Margins of flg. gls. ciliate, panicle spiciform : — 

 S]Mciform panicle terete. Fig. gls. mucronate or 



cuspidately acuminate 1. 



Spiciform panicle usually lobed. Fig. gls. muticous 2 



2. Margins of flg. gls. eciliate : — 

 a. Panicle mostly spiciform, appearing hairy from 



the long cilia of the palea. Spkts. "1" 

 h. Panicle open or contracted, not spiciform. Spkts. 

 under 'l" or if "l" palea not long ciliate : — 

 i. Leaf-sheaths ciliate at mouth. Panicle not in 

 interrupted whorls, nodes usually ciliate. 

 Keels of palea ciliate or not : — 

 Panicle various. Not glandular and odorous . 3. fenella. 

 Panicle mostly cylindric with short spreading 

 branches glandular and odorous below. Keel 



of palea rigidly ciliate 4. viscosa. 



ii. Leaf-sheaths not ciliate at mouth. Panicle not 

 ciliate at nodes, usually elongate, frequently 

 interrupted with branches often fascicled or 

 whorled o. interrupta. 



B. Rhachilla of spikelets tough persistent. Flg. gls. falling 



away from its base upwards, with or without the 

 paleje :— 



1. Spkts, much compressed, ovate to oblong; side 



nerves of flg. gls. prominent straight. Palese 

 deciduous. Spkts. •1.5-'5" long, pale or pink. 

 Ehachilla straight, closely nodose . . . .6. amabilis. 



2. Spkts. linear or linear-oblong, side nerves less pro- 



minent or if side nerves prominent then palete 

 persistent. Spkts. often blue-grey or brown. 

 Rhachilla zigzag with distinct internodes : — 



a, Spkts, close, pointing forward, lateral pedicels 



0--2":— 

 i. Gls. -oe-'OS" acuminate. Grain oblong, striolate 



.03" 



ii. Gls. •04-"06". Grain broadly ellipsoid or sub- 

 globose •01-'02" :— 



Spkts. under -25" long 



Spkts. 'a.o" long or more 



b. Spikelets scattered, spreading or pendulous, 



pedicels capillary :— 

 i. Leaf-margins with small round glands : — 

 Gls. -OJ-'OS", i 1-3-nerved, ii 3-nerved . . .10. 



Gls. '06", i and ii 1 -nerved 11. 



ii. Leaf margins eglandular. Gls. 



nerved : — 

 Spkts. "25-1" long linear. Pedicels 



chilla obtusely zigzag 

 Spkts. 'IS-'l?" (elongating to 



lower gls.). Rhachilla sharply zigzag . . 13 



II. Spikelets secundly 2-.seriately spicate on a simple rhachis 



or on the branches of an oblong or lanceolate panicle : — 

 A, Spkts, sessile and jointed on the branches of a panicle 

 E. Spikelets secund on a simple spike : — 



1. Leaves convolute, filiform : — 

 L. mostly under 6", uniformly clo.sely puberulous on 



upper surface 14. 



L. often 9" with tufts of or scattered long slender 

 hairs 1-5, 



2. Leaves linear flat obtuse or sulmcute, 1-4" . . 16 



and 



r/angefiea. 



ttenophylla. 

 elongata. 



major, 

 minor. 



•5". Rha- 

 after fall of 



12, 



fremula. 

 pilosa. 



ei/iiosuroides 



(p. 962). 



coromaiidelina. 



nardoides. 

 brachyphylla. 



955 



