Androfiogon.] Gr amines. 241 



stigmas not long ; pedicelled spikelet imperfect, neuter, 

 pedicel nearly as long as the internode, but more slender 

 and ciliate with white hairs along one margin ; glume I flat, 

 subulate, acuminate or awned, II short, oblong; grain \ in. 

 long, linear, terete. 



Common from Colombo to an elevation of 4000 ft. in the Central and 

 Uva Provinces. 



Tropical and subtropical Asia, America, and Africa. 



A widely diffused and variable grass, of which I have described the 

 Ceylon form, which is all but wholly glabrous. A very hairy form is 

 common in America. 



16. A. Schoenanthus, L. Sp. PL 1046. Var. versicolor, Hack. 

 Monogr. Androp. 610 (1889). 



Herm. Mus. 66. Burm. Thes. 107. Fl. Zeyl. 465. Trim. Cat. Ceyl. 

 PI. 107. Moon, Cat. 72. A. versicolor, Nees; Thw. Enum. 367. 



Fl. B. Ind. vii. 205. 



Perennial ; stem 2-3 ft., rather slender, erect or (often' 

 geniculately) ascending from a woody base, leafy upward, 

 simple or branching, nodes glabrous ; 1. 6-10 by -g— |- in., 

 narrowly linear-lanceolate, tips capillary, flat, thinly coria- 

 ceous, quite smooth on both surfaces, glaucous beneath, 

 margins faintly scaberulous, base narrow, rounded ; sheaths 

 smooth, glabrous, mouth shortly auricled, ligule ovate, 

 scarious ; panicle leafy, narrow, interrupted, of scattered or 

 crowded bracteated fascicles of spikes ; bracts \— \\ in., 

 spathiform, lanceolate, finely acuminate, glabrous, margins 

 hyaline, proper bracts as long as the spikes or longer, greeri 

 or coloured ; spikes unequal in length, longest \-^ in. long, 

 of 4-6 internodes, shorter of 3-4, internodes much shorter 

 than the spikelets, clavate, ciliate, mouth funnel-shaped, 

 margin irregularly toothed ; spikelets binate, a sessile and 

 pedicelled ; sessile spikelet in upper part of spike, bisexual, 

 \ in., lanceolate, callus short bearded ; glume I flat, thin, with 

 a deep narrow median furrow from the base upward answer- 

 ing to a ridge on the ventral face, tip 2-toothed, margined 

 above the middle with a narrow hyaline denticulate wing, 

 II as long, chartaceous, laterally compressed, oblong acu- 

 minate, margins hyaline, ciliate, keel with a short dorsal 

 toothed wing, III hyaline, linear-oblong, obtuse, ciliate, vein- 

 less, IV the narrowly winged 2-lobed base of the short 

 smooth awn, lobes erect, lanceolate, palea minute, ovate; 

 lodicules minute, cuneate ; anth. linear ; sessile spikelet in 

 lower part of spike shorter, obtuse, strongly 7-9-veined, male '; 

 pedicelled spikelet male, narrowly oblong, glabrous, pedicel 

 about as long as the internode and like it, glume I 9-1 1- 

 veined, obtuse, margins narrowly incurved, minutely scabrid i 

 part v. R 



