l6l. PASSIFLORACEAE 375 



1. Leaves compound : 2 — 3-foliolate or pinnate. Shrubs. Flowers herma- 



phrodite. Stamens 5 — 10, free from the short gynophore. Anthers 



attached by the back 2 



Leaves simple : entire, toothed, lobed, or cleft 3 



2. Corona formed of numerous threads springing from the base of the calyx. 



Petals 4 — 5, resembhng the sepals. Stamens united at base. Style 

 3^ — 5-cleft. Ovules numerous. Fruit a capsule. Stem cHmbing. 

 Leaflets in i — 2 pairs. Flowers in cymes. — Species 6. West Africa 



and Madagascar Deidamia Thouars 



Corona none, but a disc within the stamens present. Petals 5, much 

 exceeding the sepals. Fertile stamens 5, free, alternating with 5 stam- 

 inodes. Style simple. Ovules 10 — -12. Leafliets in 4 — 5 pairs. Flowers 

 in panicles. — Species i. East Africa Donaldsonia Bak. 



3. Fertile stamens twice as many as the sepals or petals, 6 — 8. Corona 



formed of one row of threads. Ovary almost sessile, with 4 placentas 

 and 4 subsessile stigmas. Shrubs. — Species i. South-east Africa. 



Schlechterina Harms 



Fertile stamens as many as the sepals or petals 4 



4. Fertile stamens alternating with as many staminodes. Flowers her- 



maphrodite. Petals 5. Style simple 5 



Fertile stamens not alternating with staminodes 6 



5. Calyx-tube saucer-shaped. Sepals ovate. Petals ovate, larger than the 



sepals. Corona formed of one row of threads. Staminodes tooth- 

 shaped. Ovary seated in the centre of the disc. Stigma entire. Climb- 

 ing, tendril-bearing shrubs. Leaves oblong. — Species i. Northern 



West Africa Crossostemma Planch. 



Calyx-tube bell- or funnel-shaped. Sepals oblong. Petals linear-oblong, 

 much smaller than the sepals. Corona none. Staminodes awl-shaped. 

 Anthers affixed by the back, near the base, and surmounted by a 

 prolonged, awl-shaped connective. Stamens free from the short gyno- 

 phore. Stigma 3-lobed. Fruit a berry. Erect herbs without tendrils. 

 Leaves hnear-lanceolate. — Species i. Southern West Africa. 



Machadoa Welw. 



6. Stamens adnate to the gynophore. Anthers affixed by the back, at first 



turned inwards, later on outwards. Styles 3 or style single and 3-cleft. 

 Corona present. Flowers hermaphrodite. Fruit a berry. — Species 

 8. One of them a native of ^Madagascar, the others cultivated and 

 sometimes naturalized in the tropics and the Canary Islands. They 

 yield edible fruits, drinks, and medicaments, and serve as ornamental 



plants. " Passion-flower." Passiflora L. 



Stamens free from the gynophore, or no gynophore present. Anthers 

 affixed by the base or between its lobes, opening inwards or laterally. 

 Fruit a capsule, rarely a berry 7 



