Begonia.] lxvi. BEGONiACEiE. 857 



across. Sepals 2, round. Petals 2, narrower obovate. Stamens 

 20; anthers obovoid. Female segments 5; styles 2. Stigmas 

 binate. Capsule -3 in. broad, posterior wing longest. Hab. On 

 damp rocks in forests, chiefly in the north. Pahang, Kwala Tahan 

 and Gunong Tahan to 1000 ft. altitude. Penang (Wallich and all 

 collectors), common on damp rocks on the hill; Batu Hitam; 

 Pulau Jerajah (Kunstler). Kedah Peak, Yan. Pulau Adang 

 island. Distrih. Peninsular Siam. 



This plant sometimes produces a bulbil in the notch of the leaf. It 

 varies very much in size. 



(9) B. clivalis Ridl. Journ. Roy. As. Soc. S. Br. 54, p. 43. 

 Small herb 4 to 8 in. tall with a short rhizome. Stem red-hairy, 



branched. Leaves orbicular or ovate-cordate, sub-aequilateral, edge 

 undulate, sparsely toothed hairy beneath, i to 3 in. long, -75 

 to 3 in. wide ; petioles i or 2 in. long, hairy. Cymes 3, pubescent, 

 2 to 4 in. long. Males, sepals 2, ovate, round, 2 in. long. Petals 2, 

 narrower, linear-oblong. Stamen-head globose. Females,' sepals 

 red 2. Petals 2, white. Capsule -25 in. wide, 2 wings, short tri- 

 angular, one longer blunt. Hab. Sandy banks, Selangor, Klang 

 Gates; Semangkok Pass. 



(10) B. thaipingensis King, I.e. 61. 



Rhizome long, slender, creeping, villous. Leaves velvety dark 

 green, claret-colour beneath, round reniform, edges dentate, lower 

 lobes overlapping, scaly, especially on underside and nerves 6 to 7 

 tomentose, 1-25 to 2 in. long, 1-5 to 2-25 in. wide ; petioles i to 4 in. 

 long, tomentose. Peduncles 4 to 9 in. long villous, slender with i to 2 

 pairs of lanceolate bracts and 3 to 5 slender-pedicelled pink flowers. 

 Males, sepals 2, rounded -15 in. long. Petals 2, .smaller, oblong. 

 Anthers obovate, tip emarginate. Female of 5 lobes. Style thick, 

 2 arms. Stigmas twisted. Capsule 2-celled -5 in. wide; wings 

 sub-equal triangular. Hab. Shady places. Selangor, Semangkok; 

 Ranching (Ridley). Perak, Thaiping (Scortechini, Wray, Kunstler). 



(11) B. carnosula Ridl. Journ. F.M.S. Mas. iv. 20. 

 Succulent, acaulescent, rhizome creeping. Leaves ovate-cordate 



oblique, lobes sub-equal, edge entire, 4 to 5 in. long, 3 to 4 in. wide ; 

 nerves 6, red-hairy; petioles 3 to 5 in. long, glabrous; peduncle 

 axillary, 5 to 7 in. long, glabrous ; branches one or two, i in. long. 

 Flowers white. Males, sepals 2, oblong ovate, -3 in. long. Petals 2, 

 linear narrower. Stamens, anthers in a ball on a peduncle as long, 

 spathulate blunt. Fruit -5 in. long, 3-winged, i wing larger rounded, 

 •25 in. across, others narrower, 2-celled. Hab. Muddy banks in 

 forest, local. Perak, Ulu Batang Padang (Ridley). 



(12) B. leucantha Ridl. Journ. Roy. As. Soc. S. Br. 57, p. 49. 

 Rhizome under i in. long. Stem 4 in. tall hairy with 3 to 4 



remote leaves. Leaves ovate unequally cordate, entire, succulent, 

 6 in. long, 4 in. wide, glabrous above, hairy beneath, especially on 

 nerves and edge; petioles i to 3 in. long, hairy. Peduncle 1-5 in. 



