Dimeria.] Granunece. J 97 



leafy chiefly at the base, upper internodes very long, filiform, 

 nodes glabrous or bearded ; 1. mostly thickly crowded at the 

 base of the stem, 2-6 by T V~e i n -» erect, narrowly linear, finely 

 acuminate, narrowed from above the middle to the base, 

 glabrous or pubescent with long spreading hairs, margins 

 smooth or scaberulous, midrib slender, white shining, sheaths 

 terete, glabrous or hairy, mouth not auricled, ligule short, 

 truncate, spikes 2-3, slender, strict, rhachis slender, flattened, 

 margins ciliate, internodes very short ; spikelets \-\ in., very 

 shortly pedicelled, pedicel flat, callus minute, shortly bearded ; 

 glume I shorter than II, subacute, dorsally ciliate with long 

 hairs, II linear-oblong, tip rounded, margins and wing of 

 keel ciliate with long hairs, III narrowly oblanceolate, IV 

 oblong, tip bifid, awn \ in., palea and lodicules o; anth. linear 

 ■io in. 



T>. Lehmanni proper, var. a, aristata, Hack. Monogr. Androp. 83. 



Rhachis of spike ciliate, glume II narrowly winged, ciliate with long 

 hairs as is the keel of I. C. P. 952, 3321. 



/3, mutica, Hack. I. c. 



Rhachis of spike eciliate, glume II broadly winged, shortly ciliate, 

 "keel of glume I scaberulous. D. omithopoda and D. mutica, Thw. 1. c. 

 I), alata, Hk. f., Fl. B. Ind. 1. c. C. P. 955. 



Throughout the Island; not uncommon up to 7000 ft. Var. /3- 

 "Suffragam and Colombo. 



4. D. Thwaitesii, Hack. Monogr. Androp. 78 (1889). 

 D.pusilla, var. pallida, Thw. MSS. C. P. 3965. 

 Fl. B. Ind. vii. 103. 



Annual; stems, tufted, 6-8 in. high, subsimple, leafy; 1. 

 1-2 by tV~tV m -t narrowly linear-lanceolate, acuminate, gla- 

 brous, or ciliate towards the base, midrib very slender, sheaths 

 glabrous, mouth hardly auricled, ligule broadly ovate or 

 rounded, ciliolate ; spike solitary, |-i^ in. long, rhachis very 

 slender, flattened, internodes short, margins ciliate; spikelets 

 £— :£ in., sessile or very shortly pedicelled, callus very shortly 

 bearded, glumes I and II sparsely hairy, both aristately acumi- 

 nate, II i longer than I, lanceolate, margins ciliate, keel 

 rounded ciliate with long hairs, not winged, III much shorter, 

 linear, but dilated upwards, ciliate, IV narrowly oblong-ovate, 

 tip obtusely bifid, awn J in., palea o; lodicules obscure; anth. 

 minute, oblong; grain y 1 ^ in., linear, flattened, base acuminate. 



Central Province. Dambulla (Thwaites). 



Endemic. 



Closely resembles D. pusilla, Thw., and is the only other Ceylon 

 •species with filiform stems. Hackel describes the stems as ascending 

 and branching, the spikelets as all pedicellate, and the awn of glume IV 

 as longer than I find it to be in the Peraden. Herb, specimens. 



