540 223- CUCURBITACEAE 



33. Stem herbaceous, without tendrils. Leaves Unear. Anthers with a 



scale at the base. — Species i. Abyssinia. . . Eulenburgia Pax 



Stem woody, cHmbing, bearing tendrils. Leaves broad. — Species 3. 



West Africa. They yield oily seeds. . . . Dimorphochlamys Hook. 



34. Anthers cohering ; cells horse-shoe-shaped. Flowers monoecious, the male 



in umbels and with a rudimentary pistil, the female solitary and without 

 staminodes. Stigma subcapitate. Herbs. Leaves lobed, with a stipule- 

 like leaf at the base. Tendrils simple. Flowers white. Fruit small. 

 — Species i. West Africa. (Under Bryonia L.) Dactyliandra Hook. fil. 

 Anthers free, at least when fully developed 35 



35. Stamens inserted at the throat of the calyx 36 



Stamens inserted in the tube of the calyx 39 



36. Calyx without scales at the base. Flowers dioecious, yellow or green, 



the male solitary or in clusters, the female solitary, with 5 staminodes. 

 Ovary globose. Placentas and stigmas 5. Fruits large. Leafless, 

 nearly erect, spiny shrubs. — Species i. German South-west Africa 

 and Angola. Yields edible fruits and seeds and medicaments. 



Acanthosicyos Welw. 



Calyx with 2 — 3 scales at the base. Ovary bottle-shaped. Placentas and 



stigmas i — 3. Climbing or prostrate herbs 37 



37. Ovules 2. Stigma i, capitate. Flowers large, yellow, monoecious, the 



male 2 — 3 together at the base of the leaf-blade, without a rudimentary 

 pistil, the female solitary or in pairs, without staminodes. Fruits small. 

 Leaves slightly lobed. Tendrils simple. — Species 3. Central Africa. 



{Raphanocarpus Hook.) Rhaphanocarpus Hook. 



Ovules 3 or more. Stigmas 3. 38 



38. Ovules few. Fruit constricted between the seeds. — Species i. East 



Africa. {Raphanistrocarpus Baill.) . . RhaphanJstrocarpus Baill. 

 Ovules numerous. (See 11.) Momordica L. 



39. Male flowers in racemes 40 



Male flowers solitary cr in clusters, yellow 43 



40. Female flowers in racemes or clusters, small. Ovules few. Male flowers 



without a rudimentary pistil. Fruit more or less globular. Tendrils 

 simple. — Species 4. North Africa. Poisonous and used medicinally. 



Bryonia L. 

 Female flowers solitary. Ovules numerous 41 



41. Flowers dioecious large, white, the male without a rudimentary pistil. 



Stigma I, 3-lobed. Fruit large, globose. Leafstalk with two glands 

 at the apex. Tendrils 2-cleft, rarely simple. — Species i. Tropical and 



South Africa Sphaerosicyos Hook. 



Flowers monoecious. Stigmas 3, 2-lobed. Leaf-stalk without glands. 42 



42. Tendrils cleft. Leaves lobed. Fniit dry, opening by a lid. — Species 7. 



Tropical and South Africa ; one species also cultivated in North Africa. 

 They are used as vegetables and medicinal plants ; some have edible. 



