Samdusa.] olxxiii. GRAMiNBiE. {Bambusem, Gamble.) 397 



hairs, callus oiliate, ligule truncate toothed hairy outside. Gamble Bamh. 

 Brit. Ind. 57. 



Tbnassekim ; top of Daunat range, alt. 5000 ft., Brandis. 



Leaves 6-7 by 1-1^ in., glabrous, base rounded, petiole ^g-\ in., costa yellowish, 

 nerves 4-7 pairs, pellucid glands fewj sheath striate, keeled, glabrous.— Perhaps a 

 J3inochloa. 



UNDETEEMINABLB SPECIES. 



B. ABiSTATA, Lodd. ex Lindl. in Penny Gyclop. iii. 357. 



135. TKYRSOSTACHVS, Gamble. 



Arborescent erect bamboos. Stem-sheaths elongate, thin, persistent ; 

 blade long, narrow. Leaves small or moderate sized. Panicle compound. 

 Spilcelets prominently braoteate, loose, pale, 2-3-fld., upper gl. fertile, 

 terminal rudimentary on a produced raohilla ; empty gls. 1-2, striate ; fig. 

 similar ; palea of lower gl. 2-cleft, lobes caudiform, keels oiliate, of upper 

 entire, elongate, not keeled ; rachilla hairy. Lodicttles 0-3, long-acumi- 

 nate. Stamens 6, anthers mucronate. Ovart/ depressed-turbinate, style 

 long, stigmas 2-3 feathery. Grain cylindric, long-beaked, glabrous, top 

 shining, side grooved ; pericarp crustaceous, adherent to the seed. 



1. T. Ollveri, Gamble Bamh. Brit. Ind. 58, t. 50; stem-sheaths 

 transversely truncate not auricled blade, long subulate, leaves Ions linear- 

 lanceolate, panicle thyrsoid curved, spikelets |-1 in., empty gls. 2 ovate 

 acute sparsely hairy many-nerved, nerves trabeoulate, fig. gls. similar, 

 palea 3-6-nerved hairy between the keels. 



Upper Burma, alt. 2000 ft., in moist forests, Oliver ; Shan Hills, Ahdul Eak. 



Coespitose. Stems straight from a stout rootstoek, 50-80 ft. by 1-2^ in. diam., 

 brright green, young silkily-downy old dull green or yellowish, nodes thickened; 

 internodes 16-24 in., walls rather thin. Siem-sheaths persistent, shorter than the 

 internodes, green to orange and brown, dorsally thickly pubescent, margins ciliate, 

 not auricled ; blade 8-9 by % in., recurved, hairy above ; ligule serrate. Ijeaves 7-8 

 by ^f in., roughish, base rounded, hairy beneath, nerves 6 pairs, pellucid glands 

 irregular ; sheath hairy, keeled ; callus glabrous or hairy. Thyrsus bracteate at the 

 nodes ; rachis flexuous, hairy, top swollen ; bracts J-f in., narrow, obtuse, sometimes 

 foliiferous. Spikelets long and short, rachilla hairy. Lodicules 2, lanceolate, ciliate. 

 I'ilam.ents purple, anthers yellow, connective obtuse. Ovart/ depressed turbinate, 

 pedicelled, yellow, stigmas 3. 



2. T. siamensls, Gamble Bamh. Brit. Ind. 59, t. 51; deciduous, 

 stem-sheaths waved and truncate at top, auricles short triangular, blade 

 narrowly triangular, leaves small narrow linear, panicle large, spikelets 

 pedicelled fertile and sterile mixed, empty gl. solitary ovate acute 

 8-nerved base white-pubescent, flg. gls. 3 larger uppermost alone fruiting 

 base and tip pubescent 14r-16-nerv-6d. Bambusa regia, Thorns, ex Munro 

 in Trans. Linn. Soc. xxvi. (18(38) 116 (non Kurz). B. siamensis, Kurz mss. 



Btjrma, from Mandalay to Tcnasserim, Brandis, Oliver. — Distrib. Siam. 



Stems coespitose, very graceful, 25-30 ft., 1^-3 in. diam., branching towards the 

 top only, branches after flowering often producing small-leaved tufts of wiry branch- 

 lets ; nodes not prominent ; internodes 8-11 in., with a white ring below the nodes. 

 Stem-sheaths very persistent, 9-11 by 4^-8 in., thin, soft, white-pubescent; blade 



