374 
MERRILL. 
7. Leaves pubescent on the nerves on the lower surface; capsules 
10 to 12 mm wide. 
8. Capsules suborbicular in outline, retuse at both ends, 8 to 10 
mm long; internodes short 42. B. mindorensis 
8. Capsules ellipsoid, rounded at both ends, 10 to 12 mm long; 
internodes long 43 B. longinoda 
4. Capsules unequally 3- rarely 5-winged, one wing always much larger 
than the other two. 
5. Larger wing distinctly concave or eucullate; sepals somewhat ciliate 
outside. 
6. Leaves ovate, distinctly acuminate; capsule 3-winged. 
44. B. anisoptera 
6. Leaves orbicular or suborbicular, rounded or with a very short 
acumen; capsule 5-winged 45. B. suborbiculata 
5. Wings all flat; sepals glabrous. 
6. Petioles, peduncles, and leaves with scattered, fimbriate-ciliate 
paleae; wings of the capsules acute or subacute. 
7. Capsules about 3 cm wide --'I—' 46. B. oxysperma 
7. Capsules about 12 mm wide ........... 47. B. calcicola 
6. Indumentum, if any, of simple hairs ; wings of the capsules rounded, 
rarely acute. 
7. Capsules about 1 cm long. 
8. Whole plant glabrous . or nearly so; capsules about 1.5 cm 
wide 48. B. fenicis 
8. Leaves more or less brown-ciliate, especially on the margins ; 
capsules about 2 cm wide — 49. B. copelandii 
7. Capsules exceeding 1.2 cm in length. 
8. Leaves more or less hairy on both surfaces. 
9. Leaves small, entire, less than 5 cm long 50. B. parva 
9. Leaves medium or ample, 10 to 20 cm long, more or less 
toothed or shallowly lobed. 
10. Leaves medium; capsules 1.4 cm wide 51. B. klemmei 
10. Leaves ample; capsules larger. 
11. Capsules 1.8 to 2.3 cm wide 52. B. luzonensis 
11. Capsules 3 to 3.5 cm wide 53. B. vanoverberghii 
8. Leaves glabrous on the upper surface. 
9. Leaves entire; capsules 1 to 1.3 cm wide.. 54. B. trichocheila 
9. Leaves more or less toothed or obscurely and shallowly lobed; 
capsules 1.6 to 2 cm wide 55. B. manillensis 
8. Leaves glabrous on both surfaces, entire 56. B. alvarezii 
3. Leaves subequilateral, base acute, truncate, or rounded, never peltate or 
cordate; scandent along the trunks of trees. 
4. Petioles 5 to 7 cm long; leaves truncate or rounded at the base, 2.5 
to 5 cm wide 57. B. gracilipes 
4. Petioles 1.5 to 2 cm long; leaves up to 9 cm in length; capsules about 
1.5 cm long j... 58. B. lagunensis 
4. Petioles, at least in the typical form, less . than, 1 cm long ; leaves 5 
cm long or less; capsules about 1.2 cm wide 59. B. aequata 
§ Sphenanthera. 
1. Begonia pseudo-lateral is Warb. in Perk. Frag. FI. Philip. (1904) 51. 
Begonia salaziensis Gaudich. var. calleryana A. DC. Prodr 15 1 (1864) 408. 
Begonia aptera Roxb var. calleryana F.-Vill. Noviss. App. (1880) 99. 
