Bamdusa.] Graminece. 313 



linear- or oblong-lanceolate, acuminate, petiole short, L- 

 sheaths auricled ; infl. of leafy or leafless panicled rhachides 

 bearing clusters of 1- or more-fid. spikelets; empty glumes 

 1-3, fig. ovate-lanceolate, usually mucronate, palea 2-keeled ; 

 lodicules 2-3, membranous, usually ciliate; stam. 6, fil. free, 

 anth. narrow, obtuse apiculate or penicillate; ov. oblong or 

 obovoid, top hairy, style short or long, stigmas 1-3 ; grain 

 oblong or linear-oblong, acute or obtuse, furrowed on one 

 surface, pericarp thin, adherent to the seed, embryo large. — 

 Sp. about 50; 24 in Fl. B. Ind. 



Stems thorny 1. B. arundinacea. 



Stems unarmed. 



Arboreous, spikelets compressed . . . 2. B. VULGARIS. 



Shrubby, spikelets cylindric . . . . 3. B. NANA. 



1. B. arundinacea, Willd. Sfi.PLu.245 (1799). Kata-una, S. 

 Moong'il, T. 



Thw. Enum. 375. Gamble, Bamb. Brit. Ind. 51. B. sfiz'nosa, Roxb.; 

 Trim. Cat. Ceyl. PL no. C. P. 3520. 



Fl. B. Ind. vii. 395. Roxb. Cor. PL t. 79. Gamble, 1. c. t. 48. Rheede, 

 Hort. Mai. i. t. 16. 



Stems many, tufted on a stout rootstock, branching from 

 the base, up to 80 or 100 ft. high by 6-y in. diam., graceful, 

 curving, nodes prominent, lowest rooting, lower emitting 

 horizontal almost naked shoots armed at the nodes with 

 2-3 stout recurved spines sometimes an inch and more long, 

 internodes up to 18 in., walls 1-2 in. thick, stem-sheaths 

 coriaceous, variable in shape, up to 12-15 by 9- 12 in., striate, 

 tip rounded, margins plaited, young orange-yellow streaked 

 with green or red and thickly ciliate with golden hairs, blade 

 up to 4 in., triangular, acuminate, glabrous without, densely 

 hirsute within, margins decurrent, thickly ciliate, ligule 

 narrow, entire or fringed with pale hairs ; 1. up to 7-8 by 

 1 in., linear or linear-lanceolate, tip stiff, glabrous, or 

 puberulous beneath, one or both margins scabrous, base 

 rounded, ciliate, midrib narrow, veins 4-6 with 7-9 inter- 

 mediate and a few transverse pellucid glands, l.-sheath ending 

 in a thick callus and short bristly auricle, ligule short; infl. 

 an enormous panicle often occupying the whole stem, 

 branchlets bearing loose clusters of pale, suberect, |-i by 

 ■|- in., lanceolate, acute, glabrous, spikelets ; glumes ^-3- in. 

 long, ovate-lanceolate, acute or mucronate, many-veined, 

 empty, 2 or o, fig. 3-7, uppermost 1-3 male or neuter, 

 palea subacute, keels 2, ciliate; lodicules ovate or obovate, 

 hyaline, ciliate, 1-3-veined; fil. slender, anth. obtuse, yellow; 



