374 I^'C- TURNERACEAE — l6l. PASSIFLORACEAE 



Stigmas many-cleft. Fruit dehiscing from the top to the middle. Aril 

 one-sided, crenate. Leaves without glands at the base, but sometimes 

 with small glands at the margin. Flowers erect, solitary or in cymes. 

 Species 3. Madagascar and South Africa. (Including Erhlichia Seem., 

 under Ttirnera L.) Piriqueta Aubl. 



3. Calyx-tube with very numerous and very thin nerves. Stamens inserted 



at the base of the tube. Stigmas entire or obscurely notched. Areas 

 of the seed-coat without holes. Glandular shrubs. Stipules minute. 

 Flowers solitary, erect, bracteolate. — Species 2. East Africa. 



Loewia Urban 



Calyx-tube with 10 — 15 nerves. Herbs or undershrubs, rarely shrubs or 



trees, but then stigmas divided 4 



4. Cal3'x-tube lo-nerved, with hemispherical callosities or without any 



appendage on the inside. Areas of the seed-coat with one hole in each 

 or without a hole. Flowers solitary or in fascicles or heads. ... 5 

 Calyx-tube 15-nerved, furnished with linear ledges within. Areas of the 

 seed-coat with two holes in each. Flowers in one-sided racemes. Hairy 

 herbs. Leaves without stipules 6 



5. Sepals thin-membranous, colourless. Petals inserted at the base of the 



calyx-tube. Stigmas many-cleft. Ovules 9. Fruit pendulous. Aril 

 entire. Herbs. Leaves without glands. Flowers solitary. — Species 2. 



Madagascar. (Under Ttirnera L.) Hyalocalyx Rolfe 



Sepals herbaceous, green. Petals inserted at the mouth of the calyx-tube. 

 Fruit erect. Aril crenate or lobed. — Species 2, one a native of Madagas- 

 car, the other naturalized in the Mascarene Islands. Turnera L. 



6. Petals inserted below the mouth of the calyx-tube, provided with a scale 



at their base. Stamens arising from the base of the tube. Fruit linear. 

 Seeds in one row. — Species 8. Tropical and South-east Africa. (Plate 



105.) Wormskioldia Schum. iS: Thonn. 



Petals inserted at the mouth of the calyx-tube, unappendaged. Stamens 

 adnate to the tube at their base. Fruit oblong or oval. Seeds in 

 several rows. — Species 3. East Africa. (Under Wormskioldia Schum. 

 & Thonn.) Streptopetalum Höchst. 



FAMILY 161. PASSIFLORACEAE 



Usually tendril-bearing plants. Leaves alternate. Flowers regular. Sepals 

 4 — 6, imbricate in bud. Petals as many, free, imbricate in bud, more rarely 

 wanting. Receptacle produced into a corona which is sometimes divided into 

 separate scales, rarely without any appendage. Stamens 4—10, as many as 

 and alternate with the petals or twice as many. Anthers opening by two 

 longitudinal slits. Ovary superior, i-celled, with 3, rarely 4 — 5 parietal placen- 

 tas and numerous inverted ovules. Seeds arillate, with a pitted or furrowed 

 testa and a fleshy albumen. — Genera 8, species 75. (Plate 106.) 



