126 GraminecE. [isachne. 



top of the pedicel; glume III aristulate. — Sp. few; I in 

 Fl. B. Ind. 



E poiystaehya, H. B. and K. Nov. Gen. and Sp. PL i. 95 (181 5). 



Milium ramosum, Roxb.; Moon, Cat. 8. E. annulata, Kth. Ttvw. 

 Enum. 358. C. P. 3323. 



Fl. B. Ind. vii. 20. H. B. and K., 1. c, t. 31. Trin. Sp. Gram. Ic. 

 t. 155 {Paspalum punctatum, Fluegge). 



Perennial, densely tufted, 2-5 ft. high, rootstock short,, 

 creeping ; stem leafy, stout or slender, simple or branched, 

 quite glabrous except the puberulous nodes ; 1. 3-6 in., linear 

 or linear-lanceolate, acuminate, flat, quite glabrous, as is the 

 sheath, ligule a villous ridge ; ped. long or short ; panicle 

 2-5 in., erect or inclined, rhachis slender, angled, quite smooth; 

 spikes (branches of panicle) alternate, 1-2 in., suberect, angular,, 

 quite smooth or scaberulous, rarely branched, lower naked for 

 \- 1 in. ; spikelets T V-ir m -> loosely imbricate, shortly pedicelled, 

 distichous, solitary or binate, oval-lanceolate, acuminate; 

 glumes I and II subequal, membranous, oval-lanceolate, acute, 

 silky, shining, veins 3, obscure, III shorter than II, oblong, 

 dorsally compressed, obtuse, aristulate, thinly coriaceous, pale, 

 shining, palea oblong, margins incurved; anth. linear; grain 

 oblong, free within the hardened smooth glume and palea. 



Hotter parts of the Island; common. Spikelets silvery. 

 Also in tropical countries generally. 



3. ISACHNE, Br. 

 Perennial grasses; spikelets loosely panicled, not or ob- 

 scurely jointed on the pedicel, subglobose or obovoid, 1-2-fld.; 

 glumes 4, 2 lower often separately deciduous, thinly coria- 

 ceous or membranous, strongly veined, I and II subequal, 

 convex, empty, III and IV paleate, equal and both convex, 

 or III larger and flatter, III male or neuter, IV jointed and 

 often stipitate on the very short rhachilla, hemispheric, fem. 

 or bisexual; stam. 3; styles 2, free, stigmas short, feathery, 

 exserted at the top of the spikelet ; grain free within the 

 hardened glume and palea; seed broad, plano-convex, embryo 

 small. — Sp. about 25 ; 16 in Fl. B. Ind. 



Spikelets 2V - to m - l° n g- 



Gl. I and II longer than III and IV, cuspidate 

 or acuminate. 



Stem 6-10 in 1. I. Kunthiana. 



Stem 2-4 ft 2. I. ELATIOR. 



Gl. I and II much shorter than III and IV . .3. I. multiflora. 

 Gl. I and II about equalling IV 



