onAifTXH.E. nr 



next empty ones, iho floicen'm/ fflume, and ihe pa If a all very tliin ;ind tninspan-iit, 

 and completely enclosed under the outer one. 



0. CORT1IBOS0S, Gaert. 



TlIYRrDOSTACnYCM. 



T, I'EKFORATrir, Nces. Bengal. 



OiiOPErruM, TriniuK. 



0. TnoM.ECsi, Trill. 



Hejiaethria, R. Bnicne. 



Spihelets 1 -flowered, usually awnless, inserted in pairs, one sessile, the other 

 pedicellate in notches on alternate sides of a simple spike, the axis not articulate. 

 Lowest empty jjlume keeled, rif;id, several-nirvcd ; the second similar, but more pointed 

 in the pedicellate flower, thinner and half-transparent in the sessile one, and more 

 or less cohering to the concave pedicel of the other; the third empty t/lume, Jlowerinj 

 glume and jjalea all very thin and transparent. 



H. coiiPRESSA, R. Br. Bengal. 



H. FAscicuLATA, Kth. South China. 



FESTUCIE.E. 

 SpilceJets all fertile, pedieellcd, or rarely nub-sessile, in a Iranclied, spreaditig, or 

 sjyieate paniele, or more rarely in a raeeme or spike, 2- to many-Jlowered, the upper 

 or lower fower often rudimentary or male. Glumes 2, often slwrter thart the contiguous 

 flower. Glumelles 2, membranous, or somewhat eoriaceous, the hirer awned at, or below 

 the top. Awn not twisted or mutieous. Lower glumelle of the flower at the base of the 

 spihelet answering to the lower glume. Stamens 3, rarely 2-1. Stigmas usually sessile 

 or sub-sessile, divergent, protruding at the sides, and nsuallg towards the base of the 

 flower. Caryopsis with a linear or punetiform hilary spot. 



Bamboos, iiiih articnlate-infcr/ed pitioled leares and woody stems. 

 * Stamens 3. Shrubby Bamboos. 



Aeundinaria, Palisot de Beauiois. 



Spil-elets 2, many-flowered, the florets imbricately distichous. Glumes 2, distinct, 

 or the lower one aborted. Valves 2, the inner one bicarinate on the depressed and 

 channelled back. Stamens always 3. Lodienles 3. Stigmas sessile or nearly so, 

 2 or 3, plumose. Caryopsis sessile, terete, with a furrow along the front. 



A. ELEGAXS, Kz. Khakyen Hills. Xat-toung and hills east 



of Toung-ngoo at .5000 to 7500 feet. 



An evergreen, tufted, shrubby bamboo ; leaves linear, 4 to 5 inches long by 

 ^ an iuch broad, with about 4 nerves at each side, conspicuously tesselate, and 

 spinulose-i-ough along the cartilaginous margins. Spikeh'ts often steel blue on the 

 sunny side, long and slender (to 1 inch), pedicclled, variable in the number of 

 floret.s and Ibrniiiig a glabrous panicle-like raceme at the end of the leafy branchlets. 

 Glumes 2, the outer 3-3A lines long, the inner narrower and shorter. Outer palea 

 nearly 4 lines long, smooth and glossy, the nerves faint. Inner paha shorter, boat- 

 shaped, pilose along the keels towards the bifid apex of the chaunellid back. 

 Lodicules 2. Stigmas white. Anthers pui-ple. 



Caryopsis small, trheat-lUce, with a membranous pericarp closely adnate to the 

 seed, the style caducous. Filaments free. Stamens 6 or more. 



Bambusa, Sehreher. 

 Spikelets 5, many-flowered. Florets distichous, the upper and lower ones in- 

 complete, or the last altogether empty. Glumes none, or several, conform to the 



