CLxxin, GHAMiNEiB. (J. D. Hooker.) 9 



Tribe X. Hohde^. SpiJcelets 1- or more-fld., sessile, 1-2 or more seriate 

 on the rachis of a simple spike, or partially sunk in cavities of the same ; 

 rachilla usually articulate and produced beyond the flg. gls. into a naked 

 or glumiferous bristle ; gls. awned or not, I and II opposite or subooUateral, 

 persistent or separately deciduous, I sometimes absent or very minute. 



Sabtribe I. LolibjE. Spikelets solitary at the nodes of the spike ; plane 



of the spikelets radial to the rachis. 



Spikelets 3- many-fld. ; gls. coriaceous, I absent, except in 



the terminal spikelet 125. LoiItTM. 



Spikelets 1-2-fld. ; gl. 1, minnte or 0, II much longer 

 than the hyaline III ; spike cylindric, rachilla gla- 

 brous 126. Lepttjeus. 



Spikelets 1-3-fld. j gl. I, minute or 0, II about as long 



as the hyaline III; spike compressed, rachilla hairy . 127. Oeopetium. 



Subtribe II. TEiTicEiE. Spikelets solitary at the nodes of the spike ; 

 plane of spikelets tangential to the rachis. 

 Fl. gls. 5-9-nerved, lateral nerves not conniving, short or 



ending in teeth or awns 128. Teitictim. 



K. gls. 5-7-nerved, lateral nerves conniving or confluent 



with the single terminal awn 129. Ageoptrum. 



Subtribe III. Bltmb^. SpiJcelets 2 or more, collateral or fascicled at 

 the nodes of the spike ; plane of spikelets tangential to the rachis. 

 Spikelets 1-fld. j empty gl. subulate, rigid . . . 130. Hobdbum. 

 Spikelets 2- many-fld.; empty gl. subulate, linear or 



oblong 131. Elymtjs, 



Tribe XI. Bambtjse*. Shrubby or arboreous grasses. Leaves flat, 

 jointed on the sheath. Spikelets 1-oo-fld. ; lower 2- or more gls. empty, 

 gradually increasing in size up to the flowering, with sometimes small 

 terminal imperfect ones. Palea usually large, 2-keeled (in Melanvcanna). 

 Lodicules usually 3. Stamens 3, 6, or oo. Styles 2-3. 



Subtribe I. AinjNDiNAB.iB.a;. Palea 2-keeled ; stamens usually 3 ; peri- 

 carp thin, adnate to the seed. 



Spikelets 1- many-fld., racemed or panicled ; empty gls. 



1-2 132. Aeundinaeia. 



Spikelets l-4.fld., spicate ; spathes bracteate ; empty gls. 



2-3 133. Phtllostachts. 



Subtribe II. EuBAMBUSEa:. Palea usually 2-keeled ; stamens 6 ; pericarp 

 thin, adnate to the seed. 



Filaments free ; paleas entire or slightly cleft, all 2-keeled 134. Bambusa. o-C^ck.cjLji^j3 

 Filaments free ; paleas deeply clett, uppermost not keeled 135. THYBS ACA»!inP S. f' 



Filaments connate. Spikelets oo-fld. ; paleas all 2-keeled 136. Gigaktochioa. 

 Filaments connate. Spikelets few-fld. j palea of upper fl. 



or glnme-like, not keeled 137. Oxytekahtheba. 



Subtribe III. DendeocalamEjE. Palea 2-keeled ; stamens 6 ; pericarp 

 fleshy or crustaceous ; seed free. 



Spikelets 2- oo-fld., 1 only usually fertile, usually capitate 

 in the branches of the panicle ; ovary hirsute at the 

 top, pericarp crustaceous ...... 138. Dendkocalamus. 



