420 GRAMINE«. {Scuicharum. 



edges. Panicle tenninal, compound, spreading, L to 3 ft. long, of a grey 

 silvery colour from the long hairs suiTounding the spikelets. Spikelets all 

 sessile or one of each pan- slightly pedicellate, the outer glumes about 2 lines 

 long, pointed. 



Hongkong, Harland, protably cultivated here as in India and other hot countries. We 

 have no authentic record of any reaUy wild station of this the common Sugar-cane. 



20. EXTLALIA, Trin. (not of Kunth). 



Spikelets 1-flowered, in' pairs, a;long the slender inarticulate branches of a 

 compound panicle, each spikelet sun'ounded by long silky hairs. Outer empty 

 glumes 3, rather stiff, awnless, the lowest 3- o)' 5-nerved, the second keeled; 

 third empty glume smaller, very thin aijd transparent or deficient ; flowering- 

 glume very thin and transparent, notched, with a fine awn twisted at the base. 

 Palea small or none. 



A small tropical or subtropical Asiatic genus, difPering from Erianthus in the inarticulate 

 branches of the panicle, from Pollinia in the branched iuflorescence. 



1. E.japonica, trin.; Steud. Syn. Gram. 412. An erect perennial, 3 

 to 6 ft. high. Leaves narrow. Panicle \ to 1^ ft. long, spreading and much 

 branched, tlifi silky haii-s usually assumitig a brown or purplish hue. Spikelets 

 both shortly but unequally pedicellate. Outer glumes about \\ lines long, 

 with short points. Awn of the flowering glume very fine, 3 to 4 lines long. 

 -^Erianthus japonicus,'Bi6WXV.; Kunth, Enum. i. 479. Saccharum demum, 

 Nees in Kew Joum. Bot. ii. 100. Eulalia denm, Munro in Seem. Bot. Her. 

 424. Saccharum prcBgrande, Steud. Syn. Gram. 408. 



Hongkong, Hinds, Chamj,ion, and others. Extends to the Philippines and Borneo, and 

 northward to Japan. 



21. POLLINIA, Trin. 



CEtMh, Kunth.) 



Spikelets 1-flowered, in pairs, one sessile, the other pedicellate along the 

 spike-like branches of a simple panicle, the rhachis articulate at each pair, 

 each spikelet sun-ounded by silky haii-s. Outer empty glumes 2, stiff, awn- 

 less or with a haii'-like point, the lowest with 2 of the lateral nei-ves promi- 

 nent, the' cehtral one faint or wanting; second glume keeled, tlm-d smaller, 

 vei-y thin and transparent ; flowering glume small and thin, with a fine awn, 

 twisted at the base. 



A small tropical and subtropical genus, chiefly Asiatic and African, with a few American 

 or Australian species. 



Spikes (3 or 4) dense, 3 to 4 in. long, very hairy. Outer glumes 2 lines 



long, the seoo.nd pointed \ P.mUosa. 



Spikes (3 to 5) slender, li to 3 in. long, shortly hairy. Outer glumes ij 

 _ lines long, the second with a long hair-lilce point 2. P. tenuis. 



1. P. villosa, Mmro, MSS. An erect glabrous perennial, about 2 ft. 

 high. Leaves nan-ow, usually pubescent. Spikes cylindrical, dense, 3 to 4 

 m. long, 8 or 4 together at the summit of the peduncle. Spikelets closely 

 erect along the rhachis, with silky hairs shorter than the glumes at their base, 

 on the pedicels, and on. the back of the outer glumes. Lowest glume about 3 

 lines long, usually 4-nerved, with 2 of the lateral nerves very prominent^ 



