18. ANNALS OF THE ROYAL BOTANIC GARDEN, CALCUTTA. 
Spikelets in large, soft, congested heads, leaves usually broad—Sercrion II. 
. Spikelets acute, culm-sheaths very hairy. | 
Heads large, 15 in. broad, dark-eoloured ; leaf- and culm-sheaths 
conspicuously fringed . 4. D. sikkimensis. 
Heads not more than 1 in. Қз alin “batata ах pm 
sheaths little fringed . poe e ae ж, A ДА Не. 
Spikelets blunt, culm-sheaths er ог = 80. 
Culm- and leaf-sheaths not fringed . . . . . . . + . . . . 6. D. Hamiltoni. 
Culm- and leaf-sheaths long-fringed . . . 60» «  & » 7, О, patanta 
Spikelets few, in small heads, many sterile—Sxcrion HL 
Spikelets long, ovate-acute. 
Culm-sheaths broad, nearly glabrous, ligule long, = ыйа . . . 8. D. giganteus. 
Culm-sheaths hirsute, ligule short, palea acute . . ... 9. D. calostachyus. 
Spikelets short, blunt; culm-sheaths elongate, thin . . . . . . . . 10. D. longispathus. 
Spikelets short, ovate. · · 
Heads moderately ispa Mad Е € 08 4 Wa wow wow в. d Вы 
Heads small, few-flowered. 
Leaves without fringed auricles . . . . . . .. . + . . . 12. D. flagellifer. 
Leaves with long-fringed auricles . . . . . + . . . . . 13. D. longifimbriatus. 
Leaves unknown. 
Spikelets small, in soft, rather large, heads . . . . . . + + + . . 14. D. Рамзи. 
Spikelets large, white, and in soft, loose heads . . . ТЕ x.» A. D. Сопот 
SECTION I. 
1. DenprocaLamus STRICTUS, Nees in Linnea ix. 476. 
A deciduous, densely-tufted bamboo, with strong culms which are solid, or with 
only a small cavity. Culms variable in size according to climate, 20 to 50 ft. high, 1 to 
3 in. in diameter, glaucous-green when young, dull green or yellowish when old; 
nodes somewhat swollen and in open situations bearing leafy, often deflexed, branches 
even from the base, lower nodes often rooting; internodes short, 12 to 18 in. 
long; upper branches curved, drooping; walls thick. Culm-sheaths variable, lower 
ones shorter, 3 to 12 in. long, covered on the back with golden brown stiff 
hairs, sometimes glabrous in dry localities, striate, rounded at the top, ciliate at the 
edges, very slightly auricled ; imperfect blade triangular, subulate, hairy on both sides, 
especially within; ligule narrow. Leaves linear-lanceolate, varying from 1 to 2 in. long in 
dry localities, up to 10 in. in moist ones, and :2 to 1:2 in. broad; rounded suddenly at 
the base into а short petiole; gradually narrowed upwards into a sharply acuminate, 
twisted point; rough and often hairy above, softly hairy beneath, scabrous on the edges; 
main vein prominent, secondary veins 3 to 6 pairs, intermediate 6 to 8, no transverse 
veins, but frequent pellucid dots between the veinlets ; /eaf-sheaíhs striate, hairy, ending 
in a prominent callus and short auricle with а few wavy, deciduous сШіге ; ligule 
narrow, serrate. Inflorescence a large branching panicle of large, dense, globular heads, 
15 to 2 in. apart; rachis rounded, smooth. Spikelets spinescent, usually hairy, the 
fertile intermixed with many sterile smaller ones, "3 to 5 in. long and 1 to °2 
im. broad, with 2 to 3 fertile flowers; empty glumes 2 or more, ovate, spinescent, 
many-nerved ; flowering glumes ovate, udine in а sharp spine surrounded by ciliate 
tufts of hair; palæ ovate or obovate, emarginate, lower ones 2-keeled, ciliate: on the 
