CXLVll. GEAMIKE^, 953 



without constrictiou from the sheath, hah-y ; sheaths 1-1| in. loug, 

 shorter than the interuodes, loose, hairy; ligule yg in. loug, membranous, 

 rouuded. E-aceme 1-lg in, long, pale yellow, simple, solitary ; peduncle 

 filiform, sheathed ; joints of the rhachis shorter than the spikelets, 

 subclavate, excised. Sessile spikelets 5 in. long (excluding the awns), 

 nearly a in. long when the awns are included, 2-aristate ; callus 

 short. Grlumes4; lower invol.-glumo coriaceous, with 5-7 transverse 

 echinulate ridges below the middle, the tips of the echinse curved 

 upwards, the central portion of the glume above the echinate base 

 ovate-lanceolate, acute, cleft at the apex, with 2 nearly semicircular 

 equal membranous wings with thickened flattened green margins on 

 the inner edge, which margins are prolonged into slender slightly 

 divergent awns ; upper invol. -glume much shorter, about g in. long, 

 thinly membranous, oblong, acute, 1-nerved ; lower floral glume about 

 ■jiy in. long, broadly ovate, nerveless, empty ; upper floral glume 

 slightly shorter than the lower. Pedicellate sjjikelets as long as the 

 sessile; pedicels about -^jj in. long; lower invol. -glume chartaceous 

 without a muricate base, winged on one side only and with 1 awn from 

 the thickened margin of the wing, about 7-nerved ; upper iuvol.-glume 

 with a large membranous wing on the back at the apex and an awn 

 about yV in. long. Tl. B. I. v. 7, p. 155 ; Lisboa, in Journ. Bomb. 

 Nat. V. 6 (1891) p. 195; Woodr. in Jouru. Bomb. Nat. v. 13 (19Ul) 

 p. 437. — Flowers : Sept. Vern. Marel. 



Deccan : Khandala, Woodrow ; Sattara, Lisboa I ; Mabableshwar, Lisboa I S. M. 

 Country: Eelgauiii, ii'/i'c'Aie, 808 ! and 827!— Distrib. India (W. Peninsula). 



The specimens from the Bombay Presidency in Herb. Kew. are much larger in all 

 their parts than the sjDecimens collected by Huegel from which Hackel described the 

 species originally, and to which no precise locality has been assigned. 



3. Rottboellia acuminata, HacTc. Mo nog. Andropog. in DC. Monog. 

 Phan. V. 6 (_1889) p. 291. Annual, quite glabrous except the sheaths ; 

 stems 3-12 in. high, erect or ascending, compressed, densely leafy. 

 Leaves flaccid, the lower 2-3 by yg— g- in., linear-lanceolate, acuminate 

 from a narrow base, the upper shorter, spreading and recurved ; sheaths 

 turgid, compressed, keeled, the mouth hairy ; ligule short, truncate, 

 membranous, glabrous. Racemes 1-2 in. long, sheathed at the base, 

 straight or slightly curved, usually pale brown ; joints subclavate, 

 much shorter than the sessile spikelets, the base not excised. Sessile 

 spil-elets up to 5 in. long; callus scarcely distinct. Grlumes 4; lower 

 invol. glume 5 in. long, ovate, coriaceous, winged above the middle, 

 with 3-6 dorsal transverse echinulate or warted ridges below the wings, 

 longitudinally striate between the ridges, 5-nerved in the narrow 

 coriaceous part between the wings, with a long ciliate acumen, the 

 cilia pointing upwards ; upper invol. -glume ^ in. long (equalling 

 the lower minus the acumen), elliptic-lanceolate, membranous, 

 subacute, scarcely keeled, 3-nerved ; lower floral glume equalling 

 the upper invol. -glume, elliptic, paleate, male ; upper floral glume 

 less than g in. long, oblong, obtuse, nen^eless ; palea small, 

 2-lobed, nerveless. Pedicellate spil-elets ^ in. long, oblong; lower 

 invol. -glume lanceolate, 5-nerved, with a membranous ciliolate wing 

 on one side ; upper invol. -glume shortly winged on the back below 

 the apex, elhptic, concave, 3-nerved ; lower floral glume empty ; 

 upper floral glume male ; pedicel y^ in. long, dumbell-shaped, flattened. 



