Hierochloa."] CLXXIII. GRAMINEJ:. (J. D. Hooker.) 223 



late, III and IV with a ring of hairs on the callus; V 5-nerved ; palea 2-toothed, 

 hairy above the middle. 



** Panicle contracted. Spikelets shortly pedicelled or sessile; gls. 

 Ill and IV hirsute, paleate or epaleate, male or neuter ; V much smaller, 

 convolute, ovoid, glabrous, its palea linear, concave, 1-nerved ; rachilla not 

 produced between gl. II and IV. 



3. XX. Hooker i ? Clarke mss. spikelets |- in. long ovoid, gl. I and 

 II very unequal acuminate, III shortly 2-fid shortly awned in the sinus 

 paleate male, IV almost 2 -partite epaleate neuter, segments lanceolate 

 acute, awn in the sinus twice as long as the gl. Ataxia Hookeri, Griseb. 

 in Goett. Nadir. (1868) 77. 



E. NEPAL and SIZKIM HIMALAYA ; in marshes, alt. 9-11,000 ft., J". D. H., 

 Gammie. 



Stem 6 in. 2 ft., erect, ascending or geniculate below, sometimes as thick as a 

 crow-quill. Leaves long, narrow, smooth ; ligule oblong. Panicle 5-7 in. long ; 

 branches erect, subsecund ; pedicels very short. Spikelets greenish ; gl. I 1-nerved ; 

 II 3-nerved ; III and IV sessile; V stipitate, thinly coriaceous, snbacute. 



4. XX. gracillima, Hook, f. ; very slender, panicle small, spikelets 

 | in. gl. I and II very unequal, III and IV epaleate neuter, III shortly 

 bifid awn in the sinus very short, IV tip obtusely 2-toothed, awn nearly 

 basal twice as long as the gl., palea of V 1-nerved. 



SIKKIM HIMALAYA, alt. 10-11,000 ft., J. I>. H. 



A much more slender grass than H. Hookeri t with short very narrow leaves 

 2-4 in. long, narrowed from the base to the tip. Panicle l|-2 in. long, drooping ; 

 rachis flexuous ; branches very short and f ew-fld. Spikelets yellow or purplish, very 

 shortly pedicelled. 



5. IX. khasiana, Clarke mss. ; slender, panicle very narrow, spike- 

 lets ^ in. long ovoid, gl. I and II subequal acuminate, III and IV 

 epaleate neuter, III 2-fid to the middle, awn in the sinus as long as the gl. 

 or shorter, IV 2-fid to the middle awn exceeding the gl. 



KHASIA HILLS, alt. 4500-6000 ft., Clarke. 



Stem 1-2 ft., ascending from a shortly creeping base. Leaves 4-6 by - in., 

 tapering from the base to the tip ; ligule oblong. Panicle 1-4 in., very narrow ; 

 branches short, erect, f ew-fld. Spikelets greenish- brown, erect. 



6. XX. Clarkei, HooJc.f. ; tall, slender, panicle very narrow, spikelets 

 | in. long oblong, gl. I and II very unequal ovate-oblong acute, III 

 shortly 2-fid shortly awned in the sinus paleate neuter, IV bifid to below 

 the middle epaleate neuter, awn in the sinus twice as long as the gl. 



KHASIA HILLS, at Lailan Kote, alt. 5500 ft., Clarke. 



Stem 2 ft., slender, geniculate below. Leaves 6-8 by i-| in., narrowed from 

 the base to the tip ; ligule short. Panicle as in If. khasiana, but spikelets nearly 

 twice as large and narrower in proportion, and gl. IV with a long exserted awn. 



Tribe VI. AGROSTIDE^;. (See p. 5.) 

 59. ARISTIDA, Linn. 



Annual or perennial grasses. Leaves usually convolute. Spilcelets 

 panicled, 1-fld., rachilla (or callus of fl. gl.) articulate at the base. Glumes 

 3, I and II empty, very narrow, keeled, persistent ; III narrow, rigid, 



