rxTvTii. (4nA:^iiyf:.T:. 1005 



S-nerved and with a few scattered long hairs ; lower floral glume yL_ in. 

 long, lanceolate, acute, thinly membranous, glabrous, paleate, empty or 

 male, the palea -jJ^ in. long, lanceolate, acute ; upper floral glume -r}^ in, 

 long, oblong, obtuse, female or 2-sexual ; palea lanceolate, acute, hyaline ; 

 awn ^ in. long, the lower half brown, the upper pale, geniculate about 

 the middle. Fl. B. I. v. 7, p. 77 ; Woodr. in Journ. Bomb. Nat. 

 V. 13 (1901) p. 435.— Flowers : Nov. 



Deccan : eommon on the Mahableshwar Hills, Balzell cf- Gibson, Woodrow !, Cookel — 

 DiSTRiB. India, Western Peninsula, apparently endemic. 



12. Arundinella gigantea, Dalz. in Dalz. 4' Gibs. Bo. PL (1861) 

 p. 293. A tall grass ; stems erect, smooth, terete, 6 ft. high, as thick 

 as a goose-quill at 18 in. below the panicle ; nodes glabrous. Leaves 

 1-2 ft. by g-lj in., linear-lanceolate, flnely acuminate, glabrous or 

 sparsely hairy, many-nerved, base rounded or cordate ; sheaths striate, 

 sparsely hairy or almost glabrous; ligule a nari-ow glabrous membrane. 

 Panicle subcorymbosely thyrsiform, 5-7 by 2-3 in. ; rhachis stout, 

 scabrid, angular, concealed by the numerous erect angular branches which 

 are 2-4 in. long. Spikelets j^— g- i'l- long. Glumes 4; lower invol.- 

 glume -^2 ^"^^ Joi^g' broadly ovate, acute, strongly 3-nerved, with a 

 scaberulous keel ; upper invol.-glume j-^-^ in. long, ovate, narrowed 

 into an acuminate point, 5-nerved : lower floral glume yV— iV in. long, 

 ovate, subobtuse, 3-5-nerved, paleate, the palea -^ in. long, elliptic, 

 hyaline ; upper floral glume -^-^ in. long, elliptic, thickly coriaceous, 

 white, without an awn. Fl. B. I. v. 7, p. 76 ; Woodr, in Journ. Bomb. 

 Nat. V. 13 (1901) p. 435.— Flowers : Oct. 



KoNKAN : Stocks ! ; Kincshvnr below the Giiats, Balzell ^' Gibson. S. M. Country : 

 C^stlerock, Woodrow. — Distrib. India (W. Peninsula). 



38. TRISTACHYA, Nees. 

 Perennial, usually coarse grasses. Leaves various. Spikelets 2- 

 flowered (lower flower male, the upper 2-sexual), large, lanceolate to 

 linear, sessile or shortl}* pedicellate, in clusters of 3 at the tips of the 

 branchlets of a raceme or panicle ; rhachilla not produced beyond the 

 U])per floret. Glumes 4 ; iii vol. -glumes more or less unequal, not 

 aw ned, persistent, 3-nerved, membranous or subcuriaceou^ ; lower floral 

 glume membranous, 3-7-nerved, not awned ; upper floral glume 

 membranous or ultimately cartilaginous, 2-lobed, with a long twisted 

 awn in the sinus (copiously bearded above the middle in the Indian 

 species); palea hyaline, 2-keeled. Lodicules 2, cuneate, fleshy. 

 Stamens 3. Styles slender ; stigmas plumose, laterally exserted. Grain 

 narrow, free. — Disteib. Africa, Arabia, India, Beluchistan, Tropical 

 America; species 11-12, 



1. Tristachya barbata, Nees, e,v JSteiid. Syn. PI. Grain. (1855) 

 p. 238. Stem 0-18 in., branched and woody at the base, genicu- 

 lately ascending, the base clothed with tomentose leaf-sheaths ; nodes 

 woolly. Leaves 1-3 by Yi)~h ^^•' li"ear-lanceolate from a rounded base, 

 finelv acuminate, pungent, rigid, glaucous, m;iny-nerved, with a sub- 

 serrulate thickened mnrgin. Panicle 1-2 in. long and nearly as broad, 

 sparingly branched ; branches solitaiy and 2-nate, capillary. Spikelets 

 nearly k in. long (excluding the awn); callus glabrous. Glumes 4; 



