56 



Key 



Page 



(1) Flowers white Solatium — 171 



(2) Flowers yellow or yellowish. 



o. Petals distinct, 4 — 5 Jussiaea — 146 



p. Petals united. Corolla 5- 



angled . . Chamaesaracha — 170 



(3) Flowers bluish, purplish or 

 purple. 



o. Stems rooting at the nodes. 



(1) Corolla open bell-shaped Monniera — 192 



(2) Corolla tubular Petunia— 173 



p. Stems not rooting at the 



nodes. 



(1) Flowers irregular, red- 

 dish-purple Krameria— 98 



y. Leaves with more than 1 vein at base. 



a. Sap milky. 



(1) Flowers purple or red Vincetoxicum — 164 



(2) Flowers not purple or red. 



o. Flowers white Philabertella — 164 



p. Flowers green Vincetoxicum — 164 



b. Sap not milky. 



m. Flowers fringed Passiflora — 140-1 



n. Flowers not fringed, 

 r. Tendrils present. 



(a) Stems woody. 



(1) Leaves fleshy, ill-scented... Cissus— 133 



(2) Leaves not fleshy Vitis— 132 



(b) Stems not woody. 



(1) Leaves large, very rough Curcurbita— 202 



(2) Leaves not rough. 



o. Flowers yellow Ibervillea — 201 



p. Flowers white Cyclanthera — 202 



s. Tendrils none. 



(a) Flowers bonnet-shaped Dolicholus— 108-9 



(b) Flowers not bonnet-shaped. 



(m) Corolla tubular, 2-lipped.. Antirrhinum— 191 



(n) Corolla trumpet-shaped, not 

 2-lipped. 



(1) Corolla white with red 



throat Convolvulus — 165 



(2) Corolla blue or purple Ipomoea — 164-5 



