136 Materials for a Flora of the Malayan Peninsula. 



§ 5. Ptychophyllum. 



10. P. rLiCATu:M, Lain. Encycl. IV. 736. A large perennial 

 grass with creeping af?eending stems 2-8 feet tall and as thick as a 

 pencil, slightly flattened and solid. Leaves lanceolate acuminate 

 plicate scabrid 12- inches long 4 inches wide, sheaths covered with 

 short pungent hairs. Panicle compound nodding 18 inches long lax 

 with slender branches over G inches long. Spikelets ovate acuminate 

 subsessile ^ inch long, glabrous. Glume I ovate | as long as Glume 

 111. Stigmas white. Jacq. Eclog. Gram. I. t. 1. Kunth. Enuni. 

 PI. I. 94. Griff. Notul. III. 24. Ic. PI. As. t. 139. fig. 229. Hook, 

 fil. I.e. p. 55. P. ainpJiasimum, Steud. tSyn. Gram. 54. P. asperatum, 

 Kunth. Kevis. Gram. I. 39. P. excurrens. Trim. Pan. Gen. 131. P. 

 lene, Steud. I.e. 54. P. inauritianum , Willd. Spreg. Syst. I. 305. 

 P. nepalense, Spreng. I.e. 321. P. nervosum, Eoxb. Fl. Ind. I. 311. 

 P. neurodes, Schu. U. Mant. II. 228. P. pauciscium, Steud. I.e. 52. 

 P. palmifoUum, Koen. in Naturforscher XXIII. 208. P. Wallich- 

 ianum, Xees. Fl. Austr. 49. 



Johor: Pulau Aor (Feilding) ; Pahang: Tahan Eiver (Kidley) ; 

 Sungei Ujong: Pantai (Cantley's Coll.); Selangor: Kuala Lumpur 

 Caves, Bukit Kutu (Kidley); Perak (Wray 3274). Distrib. India, 

 Malaya, China. " Akar Pimpan." In rocky hill woods local. 



§ 6. Effusae. 



11. P. HUMILE, X'ces. steud. Syn. Gram. 84. Annual tufted 

 grass with slender stems -18 inches tall erect or geniculate glabrous. 

 Leaves narrow linear acuminate glabrous, 3 inches long -^ inch wide. 

 Panicles lax spreading, broad terminal and axillary to the base of the 

 stem, branches filiform. Sj)ikelets long pedicelled solitary minute 

 purple. Glume I ovate mucronate or acuminate f length of III. 

 Gl. II longer similar 3 nerved. IV shorter than III, ellipsoid 

 yellowish smooth shining. Hook. fil. Fl. Brit. Ind. VII. 48. P. 

 tenellum, Griff. Xotul. IV. 21. Ic. PI. As. t. 139. f. 194. not of 

 Koxb. 



Pahang: Pulau Tawar (Pidley 2142) ; Province Wellesley: Ta- 

 sek Gelugur (G984). Distrib. India and Borneo. In dry open spots. 



12. P. LizoNKNsK, Presl. Pel. Ilaenk. I. 308. Annual stems 

 tufted -2 feet tall, moderately stout hairy leafy at the panicle. 

 Leaves linear acuminate base broad 3-4 inches long | inch wide closely 

 hairy above and beneath, sheaths very hairy es})ecially at the nodes. 

 Panicle G inches to a foot long much branched, branches capillary 

 ratJHn' stiff ciliate. Spikelets ovoid subacute -^V iii<^*li long purple, 

 glal)rous. Glume I ovate obtu.^e nearly A lengtli of Gl. 111. Gl. U 

 oblong obtute ahorlcr than Gl. HI, which is paleate. Gl. IV thorter 



