Dinebra.] CLXXIII. GBAMINB^. (J. D. Hooker.) 297 



collected in narrow pyramidal racemes, not jointed at the base; rachilla 

 slender, j >inted at the base, produced beyond the fl. gls. and bearing an 

 imperfect gl. Glumes 4-5, I and II empty, persistent, much longer than 

 III and IV, lanceolate, awned, 1 -nerved, keeled; II \ longer than I ; III 

 and IV very small, broadly ovate, snbacute, hyaline, 1-nerved; palea 

 hyaline. Lodicules 2. Anthers 3, small. Styles free. Grain ovoid, 

 trigonons, wrinkled, free. 



D. arabica, Jacq. Fragment. 77, t. 121, f. 1 ; Beauv. Agrost. 98, t. 16, 

 f. 2 (Dineba); Trim. Cat. Ceyl PL 109; Duthie Grass. N.W. Ind. 34, 

 Fodd. Grass. N. Ind. 55 ; Lisboa in Journ. Bomb. Nat. Hist. Soc. vii. (1893) 

 372. D. gegyptiaca, Del. Fl. Mgypi. 25, t. xi. f. 3 (Dinaeba). D. retro- 

 flexa, Panz. in Dtnksch. Acad. Muench. iv. (1813) t. 12; Boiss. Fl. Orient. 

 v. 557. Leptochloa arabica, Kunth Rev's. Gram. i. 91 ; Enum. PI. i. 271, 

 Suppl. 221 ;' Wi</ht Cat. n. 1756; Aitch. Cat. Panjab PL 167. L. calycina, 

 Kunth LLc.c.'Sl, 272 ; Steud. I.e. 210; Da'tz. & Gibs. Bomb FL297. 

 L. coromandeliana, Steud 1. c. 209. Eleusine calycina, Roxb. FL IrnL i. 

 346. Uynosurus coromandelianus, Herb. Eottl. C. paniculate, Herb. 

 Roxb. C. retrofiVxus, Vahl Symb. ii. 20. Dactylis pasnaloide.'', Willd. 

 Enum. Hort. Berol. 111. D. cynosuroides, Koen. mss. in Herb. Mus. Brilt. 

 D. madraepatensis, Herb. Uoxb. Dinebra, Wall. Cat. n. 3814. 



WESTERN PENINSULA, from Khandeish and the Carnatic southward. CEYLON, 

 Trimen (introduced}. DISTBIH. Aft'ghan. and westward to Senegal. 



Stems 1-3 ft., tufted, branching from the base, erect or geniculately ascending, 

 leafy throughout. Leaves flat, 3-8 in., flaccid, finely acuminate, sparsely hairy ; 

 ligule short. Racemes 4-12 in., erect ; rachis strict, stout, smooth. Spikes -2^ i n -> 

 opposite alternate or whorled, sessile, green or pale yellow, shining, at first erect, at 

 last deflexed. Spikelets closely imbricate, about in. long ; gl. I and II with straight 

 terminal awns. Dinebra verticillata, Wight ex Steud. Syn. Gram. 209, is Myrio* 

 stachys Wightiana. 



92. LEPTOCHLOA, Beauv. 



Annual grasses. Leaves flat or involute. Spikelets very minute, 

 compressed. 1-many-fld., sessile or shortly pedicelled, alternate and uni- 

 lateral on the very slender spike-like branches of a lax panicle, not jointed 

 at the base ; rachilla produced between the flg. gls., jointed at the base. 

 Glumes 3- many, membranous ; I and II unequal, oblong or lanceolate, 

 1-nerved ; III and following broadly ovate, subacute or obtuse, 3-nerved, 

 nerves usually hairy, 2 lateral near the margin ; palea nearly as long as 

 the gl., 2-keeled. Lodicules 2, cuneate. Anthers 3, short. Styles free. 

 Grain subglobose oblong obovoid or 3-gonous, closely invested by the gl. 

 and palea. Species about 12, tropical and subtropical. 



I have had great difficulty in disposing of the synonymy of this genus, the species 

 of which are in a chaotic condition, and I regard the result here attained as tentative 

 only, some of the synonyms adopted being little better than guesses, though the 

 results of much study. The genus is absent in the Wallichian Herbarium of 

 the Linnaean Society. 



* Leaves short, broad, membranous. 



1. L. uniflora, Hochst. ex A. Rich. Tent. FL Abyss, ii. 409 ; spikelets 

 1-fld., gl. I and II linear-lanceolate, lit ovate acuminate. Trim. Cat. 

 Ceyl. PL. 109. L. gracilis, Wight ex Steud. Si/n. Gram. 213. Cvnodon 

 gracilis, 2VVs ex Steud. I. c. ; Thw. Enum. PL Ceyl. 371 ; Wight Cat. n. 



