37. Arundinella.] 139. GRAMINE^. 



Duars ! and Sikkim Tarai (the large form) ! and no doubt also in Parneah. 

 Fl. Oct. 



4. A. Wallichii, Xees. 



A robust grass 1-3 ft. high with a woody creeping or tufted rhizome. 

 Very different in appearance from any of the others, the spikelets 

 being densely 3-4-seriately imbricate on the outer side of the short 

 spiciform branches of a strict contracted panicle 4-15" long. Spici- 

 form branches -7-1 -7" long suberect stiff, lower sometimes whorled 

 in threes, rhachis angular scabrid. Spikelets sparsely setose on tlie 

 nerves '09-- 12". Gl. iv ovoid or lanceolate with a short fine awn or 

 awn 0. 



Damp places. Chiefly over 3000 ft. in Chota Nagpur but in the plains in 

 Purneah, Eurz ! Ranch'i (over 3000 ft.) ! Hazaribagh (Parasnath) T. Thorns. ! Fl., 

 Fr. Aug. -Nov. 



Nodes of stem sometimes bearded. L. 12-18" by -S--?", glabrous or hairj' and 

 sheaths often very hairy with tubercle-based hairs, ligule of hairs. Rhachis of 

 panicle ridged shortly pubescent and often also hairy. Gl. i ovate sometimes 

 sub-aristate 3-5-nerved ; ii ovate acuminate 5-nerved, longest ; iii oblong or ell., 

 subacute or obtuse 3-5-nerved male, with 2-nerved palea as in iv; iv naked at the 

 base. Pedicels short stout. 



38. ISACHNE, Br. 



Perennial, Avith small or minute subglobose or obovoid spikelets in 

 loose panicles and not or obscurely articulate on the pedicel. Glumes 

 4, often all separately deciduous from a minute rhachilla ; i and ii 

 subequal convex, herbaceous ; iii and iv very similar and indurated 

 or iii larger flatter and rather thinner, both paleate and 2 -sexual or 

 iii more often male only ; iv articulate and often stipitate on the 

 rhachilla, hemispheric, coriaceous, female or 2-sexual. Lodicules 

 very minute. St. 3, rarel}^ 4-6. Grain free within the hardened 

 glume and pale. 



The genus appears to have affinities with the Pooidefe, 

 Ascending. L. 1-3" linear-lane, to lane. Spkts. "08" . . 1. anttralis. 

 Prostrate. L. '3-1" lane, to ovate-lane. Spkts. Oo-'O?" . . 2. miliucea. 



1. I. australis, Br. 



A pretty grass with tufted ascending stems from a creeping branched 

 base 8"-2 ft. high, short lanceolate or linear-lanceolate leaves 1-3" 

 long, and lax panicles 2-4" long of small subglobose green or purplish 

 spikelets -08" long at the ends of the capillary flexuous glabrous or 

 obscurely scaberulous branchlets. Gl. i and ii subequal 6-nerved or 

 more, shortly hairy glabrous or setulose ; iii and iv with incurved 

 edges as long or iii rather longer flatter and thinner, shining, iv glabrous 

 or pubescent. 



In mars^hy ground. Purneah, Ku)-z\ Ranchi, common! Hazaribagh, Clarl-el 

 Singbhum! Fl., Fr. Sept.-Dec. 



Leaves subseaberulous above or on both surfaces, margins ciliolate, not or very 

 slightly thickened, about 7-nerved Ijeneath, striolate above, the midrib not more 

 prominent than tlie other nerves, sheath smooth, with mouth and often margins 

 ciliate. Panicle pyramidal and open when mature, pedicels slightly clavate at the 

 tips. 



2. I. miliacea, Roth. 



A small grass with very slender widely creeping prostrate and 



984 



