156 Materials for a Flora of the Malayan Peninsula. 



2. P. ORAC'iLis, n.sp. Stems very slender creeping geniculate 

 ascending 8-9 inches. Jjcaves narrow linear acute glabrous l)ase long 

 ciliate 3 inches long ^ inch wide. Spikes 3-4 slender 2 inches long 

 pale. Spikelets very narrow, hairs white shorter than the ghnnes. 

 (il. L lanceolate acute pale, 11 longer tip scahrid shortly awned, 111 

 absent palea oblong truncate, IV lanceolate with a fairly long awn, 



Selangor 20th mile Tras lioute (Eidley 8476). Endemic rare. 

 Xear P. ciliata but much more slender. 



3. P. GRATA, Hack. Monogr. Androp. 175, Stems tall branched 

 moderately stout several feet high, nodes glabrous. Leaves lanceolate 

 acuminate narowed at the base hipid 4 inches long % inch wide .sheaths 

 smooth. Spikes terminal 3 inches long deep purple, Spikelets ^ 

 inch long hairs at base shorter than glumes violet. Glume I ob- 

 long truncate toothed ciliate, 11. as long obscurely mucronate. III. 

 long truncate toothed ciliate, IV short hvaline broad awn long orange 

 twisted. Palea ovate. Hook, til. Fl. B"rit. Ind. VI 1. 115. 



Penang Hill at 2500 feet alt. (Ridley TOGS), (Curtis 2490). 

 Local, Distrib. India, Java, China. 



4. P. CILIATA, Trim." Mem. Acad. Petersb. Ser. VI. ii. 306. 

 Perennial stems tall slender branched 4 or 5 feet tall, nodes glabrous. 

 Leaves lanceolate acuminate nan-owed into a shoi-t petiole at base 

 glabrous, midrib conspicuous 4 inches long ^ inch wide. Spikes 3-8 

 alternate slender 3 inches long pale. Spikelets lanceolate in pairs one 

 sessile the other very shortly pedicelled, hairs white shorter than 

 glumes, \ inch long, (rlume 1. lanceolate acuminate, keels scabrid, 



II as long broader cuspidate or awned. 111 absent. IV oblong 

 awned. Hack. Monogr. Androp. 176. Hook. til. I.e. 116. P. IIV//- 

 Vicliiana, Inncea and laxn, Xees. Steud. Syn. (Jram. 410. Andropogon 

 hiaristatvs, Steud. l.c, 379. A. fnsricu/atus. L. Sp. PI. 1047. 



Pahang River, Penchong (Ridley 1331), Tahan River (2135), 

 Distrib. India and Ceylon. In masses on river banks, rare. 



5. P. itrPESTiiis, Ridl. Journ. Roy. As. Soc. Str. Br. Vol. XLIV. 

 p. 208. Perennial several feet tall, stout, nodes ciliate. Leaves 

 acuminate 7-8 inches long h inch wide narrowed at the base glabrous 

 above, covered with scattered hairs beneath mouth of sheath hairy, 

 ligule short truncate. Spikes several erect appressed 4 inches long 

 fragile, stout. Spikes callus not ciliate. Glume I ovate, lanceolate 

 boat-shaped mucronate keel ciliate mai-gins hyaline, 11 similar in 

 shape with strong liristles on the l)ack, cartilaginous ribbed reddish, 



III hvaline sbortcr oblong, palea narrower imbesccnt, IV short 

 hvaline. with a long twisted awn from between two linear acuminate 

 points. 



•lobor: P»atu Rabat, at Ratu Pntili (I.'idley 11(»18). 



