PolUnia.] . gramine.e. 421 



second glume keeled, scarcely pointed. Awn of the flowering glinne | to f 

 in. long. — ErimitJins tristackyus, Nees, PI. Meyen. 1 84 (but not Judropoyon 

 tristachijus, Roxb.). Eidalia villosa, Nees, Fl. Afr. Austr. Gram. 91. 



Hongkong, Hance. Also ou the adjacent continent, and northward to Amoy, and in 

 S. Africa. 



2. P. tenuis, Tr'in.; Steud. Syn. Gram. 402. Stems slender, creeping 

 and branched at the base, ascending to 1 or 2 ft. Leaves flat, spreading, 

 narrowed at the base. Spikes slender, 1|- to 3 in. long, usually 3 to 5 at the 

 summit of the peduncle, the hairs of the pedicels much shorter than the 

 glumes. Spikelets about Ij lines long. Lowest glume 4-nei'ved, strongly 

 ciiiate ; second glume keeled, slightly ciliate, with a hair-like point full half 

 as long as the glume in the sessile spikelet, usually very short in the pedicel- 

 late one. Awn of the minute flowering glume very fine, about | in. long. 



U ougliong, Hance ; common about Victoria, Wilfovd. Also in northern India and in the 

 Philippines. 



22. POGONATHERUM, Beauv. 



Spikelets in pairs, 1 sessile, the other pedicellate in a simple spike, the 

 rhachis articulate, each spikelet surrounded by long silky hairs. Pedicellate 

 spikelet with 1 female flower ; sessile one with 1 hermaphrodite and 1 male 

 flower below it. Glumes all thin and transparent, the lowest 3-nerved, awn- 

 less, the second keeled, with a long awn, the third smaller and awnless, empty 

 or w4th the male flower, the terminal flowering one very small with a long 

 awn, the awns twisted. 



A genus limited to a single species. 



1. P. saccharoideum, Beauv. A slender, branching, often tufted grass, 

 6 in. to 1 ft. high. Leaves narrow, spreading, I to 1^ in. long. Spike \ to 

 1 in., on a slender terminal peduncle, the silky hairs and awns often assuming 

 a golden hue. Spikelets less than 1 line long, the 5 spreading hair-like awns 

 i to f in. long. — P. criuitum, Trin. ; Kunth, Enum. i. 478. P. I'efradum, 

 Nees, PI. Meyen. 152. 



Common in the island, Hance and others. "Widely diffused in India, from Ceylon and the 

 Peninsula to the Archipelago, and northward to the Philippines, S. China, and Loochoo. 



23. APOCOPIS, Nees. 

 (Amblyachyrum, Hochst) 



Spikelets 1 -flowered or with a second male flower, solitary or accompanied 

 by a rudimentary pedicel of a second spikelet, in a dense simple or double 

 spike, the rhachis articulate. Outer empty glume stift", broad and truncate, 

 second similar but smaller, third smaller, very thin and transparent, aAvnless, 

 terminal flowering glume narrow, emarginate, with a twisted awn, or awnless 

 in the lower spikelets. 



A small tropical Asiatic genus. 



1. A. Wrightii, Munro in Proceed. Amer. Acad. iv. 363. Stems slender, 

 slightly branched, ascending to 1 or 2 ft. Leaves rather short, narrow, usually 

 hairy. Spikes 1 in. or rather longer, erect, simple or divided into 2 closely 

 erect branches.' Outer glumes full 2 lines long, broad and very obtuse at 



