290 



Graminece. 



\Eragrostis~ 



the descriptions and synonyms of E. gangetica (elegantula, Fl. B. Ind.), 

 E. stenophylla, and E. elongata. Also he has re-examined the forms or 

 species of the spicate group {Plagiostachya), of which the specimens 

 are so mixed in the Peradeniya and Kew Herbaria, that until more 

 materials are procured they cannot be satisfactorily distinguished and 

 described. 



Spikelets panicled. 

 Rhachilla of spikelets articulate, breaking up 

 from above downwards {Cataclastos). 

 Grain ovoid, stam. 3 . . . . 1. E. TENELLA. 



Grain obovoid, stam. 2 . . . 2. E. INTERRUPTA. 



Rhachilla of spikelets inarticulate, glumes 

 falling away from below upwards 

 (Pterossd). 

 Glume II i-veined. 



Spikelets ovate, \-\ in. broad . . 3. E. AMABILIS. 

 Spikelets linear or linear-oblong, jq- } 

 in. broad. 

 Ligule very minutely ciliate. 



Spikelets mostly shortly pedicelled. 

 L. glaucous, spikelets J-J in., 



grain oblong . . . 4. E. GANGETICA. 

 L. not glaucous, grain globose 

 or subglobose. 

 Spikelets yo~z in. . 

 Spikelets f-f in. . 

 Spikelets long-pedicelled. 

 Spikelets ^ in. broad 

 Spikelets -g^-lfo in. broad . 

 Ligule ciliate with long hairs 



Glume II 3-veined 



Spikelets distichously spicate on a long ter- 

 minal rhachis {Plagiostachya). 

 Spikelets rather turgid, pale, 1. setaceous 

 Spikelets strongly compressed. 



L. short, rigid, spikelets olive-green . 12. 



L. long, spikelets straw- col'd. . . .13. 



E. STENOPHYLLA. 

 E. ELONGATA. 



E. NIGRA. 



E. PILOSA. 



E. WlLLDENOVIANA. 



E. MAJOR. 



11. E. COROMANDELIANA. 



12. E. SECUNDA. 



E. Walkeri. 



i. E. tenella, Poem, and ScJi. Syst. ii. 576 (1817), excl. var. (3. 



Herm. Mus. 25. Burm. Thes. 105. Fl. Zeyl. n. 46. Poa tenella, 

 Linn. Sp. PI. 69. P. amabilis, Linn. Syst. PI. p. 68. 



Fl. B. Ind. vii. 315. Kunth, Revis. Gram. ii. t. 107. Burm. Thes- 

 Zeyi. no, t. 47, f. 3. 



A very slender annual, with matted root-fibres, and 

 geniculately ascending stems 6-18 in. high, internodes and 

 nodes sometimes glandular and especially of the panicle; 

 1. X-3 in., spreading, narrowly linear-lanceolate, rarely £ in- 

 broad, glabrous or margins scaberulous, sheaths glabrous, 

 mqfuth bearded with long spreading hairs, ligule a ciliate 

 ridge; panicle effuse or contracted and sometimes interrupted, 

 branches short or long, erect or spreading, axils penicillate 

 with white hairs or naked, lower whorled ; spikelets i£$~\ 

 long by 2V in. broad or less, not strongly compressed, 3-16-fld., 



