138 Materials for a Flora of the Malayan Peninsula. 



I ovate obtuse § length of 111. Gl. II and III elliptic obtuse 5 

 nerved. IV ovate smooth. 



Johor: Sempang Kiri (Kidley 11007), Tebing Tinggi (11010); 

 Perak (King's Coll. 2546). Distrib. of type India. Abundant in 

 the water meadows and river above Batu Pahat. A very pretty 

 grass. 



IG. P. ORYZOiDES, Sw. Prodr. 23. Fl. Ind. Occ. I. 61. Stem 

 creeping and rooting, slender to moderately stout ascending 6 to 3-1 

 inches. Leaves 2-4 inches long -|-!f inch wide lanceolate acuminate 

 subdistichous glaijrous edges s(mietimcs thickened scabrous, sheaths 

 glabrous except for .hairs on the mouth and down the side. Panicle 

 1|-14 inches long, in small form with few hardly spreading branches 

 in large forms compound with distant trigonous scabrid branches 6 

 inches or more long. Spikelets g to j^^ inch long green or purple, 

 (jlume I ovate nerved 4 as long as (Jlumc II or longer. Glume II 

 lanceolate, ol)tuse nearly as long as III. Glume III, palea narrow. 

 Glume IV sliorter coriaceous granulate ellipsoid. Kunth. Enuui. I. 

 129. Trim. Fl. Ceyl. V. 138. P. PkUeiji, Hack. Trans. Linn. Soc. 

 Ser. II. ii. 401 (name only). P. zizaniodcs, H. B. K. Xov. Gen. I. 

 100. P. laiifoUum, Hook. til. Fl. Brit. lud. VII. 39. 



var. A. Dwarf crec{)ing form with a short fcw-ljranched panicle. 



Singapore: Gardens; Pahang: Kuala Berar, Pahang Piver (Rid- 

 ley 2136), Pekan (1407); Province Wellesley: Telok Aver Tawar 

 (Pidley 7000). 



var. B. majm, Hook. fd. Fl. Brit. Ind. VII. 39. Stem tall and 

 stout, with long internodes, nodes hairy leaves broad with thickened 

 edges. Panicle large and spreading with long branches. 



Johor: Minyan Buku, Batu Pahat (Ridley), Kuala Kahang 

 (Kelsall H. B. S. 410.5), Kota Tinggi (Ridley 4221); Pahang: 

 Kuala Tcmbeling (Ridlcv 2820); Selangor: Caves, Kuahi Lumpur 

 (J?idlcy 81.-)8) ; Malacca : Bukit Bruang (R. Derry), (Grffiith), Puhiu 

 Besar (Ridley 61, P. Ridleyi, Hack.) ; Perak: Goping (King's Coll.) ; 

 Dindings: Gunong Tungul (Ridley 7264). Distrib. Tropical Africa, 

 India and America. A very variable and common grass. The var. A 

 grows in low swampy ground, var. B in thickets scrambling through 

 the bushes. 



17. P. rsiLOPODUM, Trim. (iram. Panic. 217. Annual. Stems 

 rather slender simple or branched 1-2 feet tall, leafy to the panicle. 

 Ticavcs narrow acuminate ghd)rous 3-8 inches long ^-:] inch wide. 

 Sheaths ghibrous or hairy. I'anicle 2-4 or 8 inches, ratiier compact 

 or loose, pcdiceLs siciulcr as htng as the s|iikolcts. Sjtikelets i inch 

 hmg green or pur})lish, (Jl. I ovate broader liian h)ng i length of 

 III or shorter, 3-5 nerved, II ovate acuminate 9-11 nerved. III a.^ 

 long, IV oblong or rounded obtuse shining dark brown. >>'eet. 



