AruTidinaria.] clxxiii. GPAMiNEiE. {Bambusem, Gamble.) 377 



A. Species of which the flowers are known. 



Sect. 1. Erect shrubs ; infl. on. leafy branches ; bracts of infl. small. 

 Stamens 3. 



* Nodes of stem not spinous. See also A. PantUngi. 

 t Bpikelets many, in large terminal panicles. 



1. A.. VTalkeriana, Munro in Tram. Linn. Soc. xxvi. (1868) 21 ; 

 leaves shortly stoutly petioled thick elliptic to oblong-lanceolate pungent 

 acuminate tessellate base rounded margins cartilaginous reourYed spinulose- 

 serrate. Bedd. Fl. 8ylv., Forest. Man. p. ccxxx. ; Gamble Bamb. Brit. Ind. 

 3, t. 1 ; Trim. Cat. Geyl. PL 110. 



Teavancore ; Pulney Hills, Beddome. Cetion ; Wallr-er, Thioaites. 



Stems 1 in. diam., thickly clothed above with sheaths of fallen leaves, interaodes 

 about 15 in. Leaves 5-11 by l-lj in., base cucuUate, midrib narrow, nerves 6-10 

 pairs; sheath glabrous, mouth truncate ciliate, margin with curved bristles j ligule 

 short. Panicle 6-12 in., red-purple, branchlets filiform, lower axils glandular and 

 upper sparsely hairy. 8pi7celets up to 1 in. when mature, narrow, glabi'ous, 3-4-fld. ; 

 rachilla flattened, ciliate ; gl. I and II subequal y',;— J- in. , 1 usually 3-nerved ; II, 5-or 

 more-nerved, apiculate, ciliate ; flg. gls. larger, with 2 prominent nerves and in- 

 termediate finer ones ; keels of palea ciliate. — -Probably flowers frequently. 



2. A. Wig-htiana, Nees in Linnssa, ix. (1834) 482 ; shrubby, slender, 

 leaves thin shortly petioled long-acuminate tessellate base rounded or 

 narrowed margins incurved scabrid, spikelets o-5-fld. in dense leafy 

 spreading panicles long-pedicelled, fl. gls. obtuse. Rupr. Bamh. 26, t. 3, f. 

 10; Munru in Trans. lAnn. Soc. xxvi. (1868)19; Bedd. Fl. S^lv., Forest. 

 Man. p. ccxxx.. Anal. Oen. t. 28; Brandis For. Fl. 563; Steud.Syn. Gram,. 

 335 ; Thw. Enum. PI. Zeyl. 414 ; Gamble Bamb. Brit. Ind. 4, t. 2. 



Malabar & Travancoe, alt. 6-8600 ft., Wight, &e. Ceylon ; Pedrotallagalla, 

 alt. 8000 ft., Thwaites (CP. 3860). 



Gregarious, rhizomes branching. Stems 6-10 ft., or higher; nodes swollen, girt 

 with a hairy ring; internodes 10-14 in., usually flattened on one side and rough, 

 young strongly striate; branchlets whorled. Stem-sheaths i-8 by 1-3 in., narrowed 

 slightly upwards, base hispid with golden tubercle-based hairs, limb 1-lJ in., 

 subulate, scabrid. Leaves 5-7 by f-i in., glabrous above, glaucescent beneath, 

 midrib usually glandular-pubescent, nerves 5-7 pairs ; sheaths striate, keeled, often 

 purple, sometimes hispid with tuherele-based hairs, mouth 5-8-setose, margins ciliate ; 

 ligule short, obtuse. Spikelets 3— 5-fld., purple, glabrous or scabridly hirsute ; gls. 

 I aud II ovate, acute; 15- II 7-nerved; fl. gls. ovate, 9-11-nerved, mucronate, 

 scabrously hispid ; palea 2-caspidate, 3-aerced uud transversely nervuled, keels 

 ciliate. — Flowers annually. 



Var. 0. hispida, Gamble 1. c. ; leaf -sheaths and stems thickly clothed with 

 tubercle-based golden hairs, internodes more flattened on one side. A . hispida, 

 Steud. I. e. A. moliniformis, tlochst. in Herb. Hohenach. n. 1282. 



3. A. fioribunda, Thw. JEnum. PL Zeyl. 375 ; internodes retrorsely 

 hirsute, leaves thin lanceolate acuminate spinulose-serrate tessellate 

 narrowed into a very short 2-glandnlar petiole, spikelets 6-8-fld. minutely 

 silkily pubescent, fl. gls. acuminate. Munro in Trans. Linn. Soc. xxvi. 

 (1868) 20 ; Beddome Fl. 8ylv., Forest. Man. p. ccxxx. ; Trim. Cat. Geyl. PI. 

 110; Gamhle Bamh. Brit. Lnd. 6, t. 3. 



Ceylon ; Maturatte district, alt. 5O0O ft., Thwaites (CP. n. 2624). 

 Stems 2-h ft., erect ; internodes 2-4 in. Leaves glabrous, primary nerves 3-4 

 pairs; sheath sometimes hispid with tubercle -based hairs, ending in a ciliate mem- 



