42 MERRILL. 



22. BAUHINIA Linn. 



Fertile stamens 10. 



Leaves more or less cleft, or at least retuse, or of two entirely distinct leaflets. 



Leaflets entirely distinct; an erect or subscandent shrub I. B. binata 



Leaflets connate; erect trees or shrubs. 



Flowers small, in many-flowered racemes ; calyx with a short tube and a 

 spathaceous, 5-cleft limb; leaves broader than long, glaucous beneath, 



only slightly cleft § piliostigma 2. B. mnlabarica 



Flowers large, showy; leaves deeply cleft, not glaucous beneath, longer 

 than broad § pauletia. 

 Lobes of the leaves rounded; flowers solitary or in axillary pairs; pods 



puberulous, not ribbed along the upper suture 3. B. tomentosa 



Tx)bes of the leaves acute; flowers pure white, racemose; pods glabrous, 



ribbed along each side of the upper suture.. ._ 4. B. acuminata 



Leaves entire, acuminate, not at all cleft or divided; pod large, dehiscent, with 



about two large seeds 5. B. dolwhocalyx 



Fertile stamens 3; scandent shrubs § phaneka. 



Leaves entire, acuminate 6. B. leptopus 



Leaves cleft. 



All parts of the flower glabrous except the ovary and style.... 7. B. subglabra 

 Calyx-tubes and lobes pubescent. 



Calyx-limb in bud elliptic or ovate, about 5 mm long; tube very slender, 

 short. 

 Ijobes of the leaves strongly divaricate, strongly acuminate, the leaves 



about 15 cm long 8. B. whitfordii 



Lobes of the leaves somewhat obtusely acvuninate, overlapping, the 

 lower surface with scattered, appressed, short hairs, ultimately gla- 

 brous or nearly so 9. B. cumingiana 



Lobes of the leaves rounded, the lower surface densely and softly pubes- 

 cent, at least on the nerves, with rather long, reddish-brown hairs. 



10. B. nymphaeifolia 

 Caly.x-limb in bud oblong, 1 to 2 cm long, the tube thickened. 

 Petals 2.5 cm long or less. 



Leaves ample, wider than long, up to 10 cm in width, beneath softly 

 ferruginous-pubescent, especially on the nerves, with long, soft, 



hairs; lobes broad, rounded; nerves 11 11. B. perkinsae 



Leaves longer than wide, not exceeding 8 cm in length, glabrous or 

 subglabrous. 

 Petals about 2.5 cm long. 



Leaves 9- to 11-nerved 12. B. ahcrniayia 



Leaves 13- to 15-nerved 13. B. antipolana 



Petals 1.2 cm long or less. 



Lobes rounded; nerves 9; branches and inflorescence densely pu- 

 bescent with long ferruginous hairs; racemes dense, the pedi- 

 cels about 1 cm long 14. B. merrilliana 



Lobes acute; nerves 9 to 11; branches and inflorescence pubescent 

 with short appressed hairs; racemes lax; pedicels 2 cm long. 



15. B. pinchotiana 



Petals 3.5 to 4 cm long 16. B. warburgiana 



Fertile stamen one only § Casparia 17. B. monandra 



