D. psilobasis, F. MuelL Fragm. vn. lO-i. 

 ^etersK Ser. vi. ii. (1833), 335; Benth. FL 



104 CT.XX1IU GRAMiNE^. (J. D. Hooker.) [Dimma, 



Psilostachys Hohenacken, Skud, Syn. Oram. 413; Sochst. in Flora 

 (1856), 90. 



N. Canara and Mangalore, in rice fields, Hohenacker, Talbot, 



Stem 6-8 in. Leaves short, upper eheathing. Spikes 1-li in,; rachis witn 



scabrid angles. Spikelets -^ in., awus twice as long ; gl. 1. very narrow, acuminate, 



nearly glabrous, at length divaricate, 



tt It<xchis trigonous or linear^ sometimes as hroad or broader thanghlJ, 

 joints much shorter than the spilcelets. 



4. Z>. ornlthopoda, Trin. Fund. Agrost 167, t. 14; spikes very 

 slender, rachis flexnons, spikelets j\ in. sessile or snbsessile, glume II linear 

 acute dorsallv ciliate. Hack, Mouogr, Androp. 81. D. filiformis, Hocnst, 

 in Hohenach PL Ind Or, n. 231. D. stipaeformis, Miq, Prolus. FL Jap- 

 176 ; Franch. ^ Sav. Enum. PI Jap. i. 187. ?D. diandra, Griff. Notul in. 



71, Ic. PI. Asiat. t. 157, f. 2. T^ r^oUr^Kooia /^ TiUrpll Wy^nn'm,. vn. 104. 



D. tenera, Tnw. tn Jfem. -4cai. _._.,.,, 



Austral, vii. 523. Didactylon simplex & ramosum, Zoll. Sf Mor. Sy^^ 

 lerz, 100. Andropogon filiformis, Roxb. FL Ind. I 256; Steud. he 3/2. 

 A. Roxburghianus, SchuU. Mant ii. 451. A. stipaBformis, Stead. Lc oil' 

 Psilostachys filiformis, Dalz. 8^ Gibs. Bomb. FL 305,— Dimeria, WalL Cat. 

 n. 8839, 8840. 



Tbronghout India; from Nepal and the Kbasia Hills to the Deccan, Burma and 

 the Nicobar Islds. (not in Ceylon).— Distkib. Malay Islds., Japan, Trop. Austral. 



Annuwl, much branched, leafy. Leaves 1-3 in,, erect; sheaths glabrous or 

 pilo.^e. Spilies 2, rarely 3; rachis about as broad as the spikelets, margms 

 scaberulous, costa strong. Spikelets linear, acuminate, callus villous ; gl. I sleiid*ir, 

 nearly glabrous; III short, acute ; palea O.- — Huckcl has 6 varieties of this spec ie9» 

 of which more might be made. 



5. D. Woodrowli^ Slapf in Hook. Ic. FL i. 2312; spikes 2 circin- 

 ately involute, rachis rigid glabrous, spikelets yery shortly pedicellenj 

 callus shortly bearded, gL I aud II snbequal acute. III linear hyaline, IV 

 shortly awned. 



The Concan; Eatuagherry district, and near Goa, Woodrow. ,, 



Annual Stem 3-6 in. slender, leafy to the top, simple or sparingly branched; 

 upper internode (or peduncle) with its leaf abruptly deflexed after flowering- 

 Leaves 2-3 in., linear, acuminate, erect, strict, glabrous or sparsely hairy ; hg" ® 

 very short, hyaline. Spikes f-1 in., at first erect, rachis dorsally convex, concave 

 ventrally. SpikeleU few, rather distant, suberect, divergent as the rachis incurves; 

 gl. I glabrous or sparsely hairy ; awn of IV about twice as long as its glume ; p»»*^ 

 0.— A very peculiar species, at once recognized by the two spikelets forming togetae 

 a hoop. 



6. D. connivens. Hack 



nearly as broad as the spikelets ciliate, spikelets | in. subsessile, caliuB 

 minutely villous, gl I very slender ciliate, II oblong-lanceolate acumina^^ 

 dorsally ciliate. 



Chota Nagpore, alt. 2000 ft., Clarke. , 



Stems ascending, 6-10 in. Leaves short, erect. Spikes 1-lf in. ; rachis nea^J 



light, costate. Spikelets erect, closely imbricating; gl, I slender, sparsely cihate, 



straight, costate. 



awn twice as long as' the apikelet. 



7. D. t^ehiXieLnniy Hack. Monogr. Androp. l^^ ,^ 



mg, rachis undulate scabrid or ciliate, spikelets sessile | in, long, caUtts 

 ▼ery shortly bearded, gl. I and II subacute, I narrowly linear, keel cUia^^' 



sai 





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