482 XLi. AMPELiDEiE. [Ptensanlhes. 



(6) Pt. pulchra Ridl. Journ. Roy. As. Soc. S. Br. 61, p. 2. 

 Stem slender arachnoid. Lower leaves trifoliate lanceolate 



acuminate, laterals oblique, central one 2'5 in. long, 7-5 in. wide, 

 upper leaves cordate acuminate 2 in. long, T2$ in. wide, deep 

 green bullate above, red-hairy beneath, edges undulate; petioles 

 •5 in. long. Peduncles i"25 in. long arachnoid; rachis flat sinuate 

 4-lobed, "5 in. long, '25 in. wide, green or reddish hairy. Hah. 

 Creeping on rocks at about 300 ft. altitude. Selangor, Sempang 

 Mines on rocks, Semangkok Pass (Ridley). 



(7) Pt. cissoides Bl. Bijdr. 193 ; King, I.e. 408. Embamma 

 cordigera Griff. NoMce iv. 694; Ic. PI. As. t. 646. 



Stem glabrous. Leaves trifoliate oblong or obovate acuminate, 

 narrowed to base, 3 to 6 in. long, 1*5 to 3 in. wide, arachnoid on 

 both sides when young, glabrous except nerves beneath in adults; 

 petiolules -5 to 1-5 in. long; petioles i to 3-5 in. long. Peduncle 

 4 to 8 in. long; rachis 3 to 6 in. long, i to 2 in. wide, irregularly 

 broadly lobed, red brown. Male pedicels i in. long slender. Flowers 

 •I in. across. Hab. Woods. Johor, Hulu Sembrong (Kelsall). 

 Malacca, Ayer Panas (Griffith) ; Sungei Hudang. Selangor, Labu 

 River; Dusun Tua. Bindings, Lumut. Perak, Batang Padang 

 (Kunstler). Distrib. Java. Native name: Akar Gamat. Use: 

 Leaves used as a poultice to swollen legs. 



(8) Pt. pedata Lawson, I.e. i. 664 ; King, I.e. 409. 



Stem arachnoid. Leaves 3- to 5-foliate membranous ; leaflets 

 oblong-lanceolate acute, base rounded or cuneate, laterals with 

 round oblique base, sparsely denticulate, above glabrous except 

 the arachnoid nerves, beneath arachnoid; nerves 5 pairs elevate, 

 1*5 to 3'5 in. long, 75 to i"5 in. across; petiolules "i to -4 in. long; 

 petioles i in. long. Peduncles 2 in. long; rachis 2*5 in. long, 

 •9 in. wide, irregularly lobed acuminate with a central wing, 

 glabrous. Hab. Forest edges. Johor, Mount Austin. Malacca 

 (Maingay) ; Sungei Hudang; Negri Sembilan, Berumban (Cantley). 

 Selangor, Sungei Buluh ; Petaling ; Batu Caves. Native name : 

 Akar Kachang Gurnang. 



(9) Pt. rufula Planchon, I.e. 419. Pt. heterantha Lawson, 

 I.e. i. 664. 



Stems tomentose when young. Leaves trifoliate, side lobes 

 lanceolate or oblong oblique, median lanceolate or obovate sparsely 

 toothed narrowed more or less at base, membranous glabrous 

 except nerves above, densely red-tomentose beneath, 5 to 7 in. 

 long, i"5 to 2'5 in. across; petioles red woolly 2*5 in. across; 

 peduncles i"5 in. long; rachis 2*5 in. long, "5 in. wide, green irregu- 

 larly lobed, keel and edge red-tomentose. Male pedicels '5 in. 

 long tomentose. Berries black. Hab. Edges of forests. Malacca 

 (Maingay); Alor Gajah (Griffith); Selandor (Cantley). Perak, 

 Goping (Kunstler). Distrib. Sumatra. Native name : AkarSubun- 

 kak. Use : The tubers used for rubbing on swellings. 



