Materials for a Flora of the Malayan Peninsula, 49 



Order LI. PASSIFLORE^. 



Twining herbs or shrubs, rarely erect. Leaves alternate, stipulate, 

 entire or lobed, penni- or palmi-nerved, frequently glandular beneath. 

 Peh'oZe usually bearing glands. jS^^ipwZes foliaceous or minute, Tendrils 

 axillary or 0. Inflorescence axillary, cymose, sometimes with one or 

 more branches cirrhose, rarely flowers solitary. Bracteoles 3, minute and 

 scattered, or foliaceous and forming an epioalyx, rarely 0. Floioers 

 regular, unisexual, or bisexual. Calyx tubular at the base, fleshy, sub- 

 coriaceous or membranous ; segments imbricate, 5. Petals or as many 

 as the calyx-lobes, springing from the tube of the calyx, membranous 

 or fleshy, imbricate, marcescent. Corona of one or more rows, filament- 

 ous or membranous or both, arising from various portions of the calyx- 

 tube, rarely ; basilar corona urceolate or cup -shaped, surrounding the 

 base of the androecium, sometimes represented by five separate glands 

 of the disc ; rarely 0. Stamens 5, in a tabe or free to the base, perigyn- 

 ous; anthers oblong, 2-celled, bast- or dorsi-fixed, dehiscing laterally or 

 introsely. Ovary superior, on a gynophore or subsessile, 1-celIed with 

 3 parietal placentas, rudimentary or absent in the male flowers. Styles 

 1 or 3; stigmas reniform, capitate or flattened. Ovules numerous, pen- 

 dulous, anatropus ; funicle expanded into a cup-shaped arillus. Fruit 

 baccate or capsular. Seeds numerous, ovoid or flattened, often pitted, 

 covered with a fleshy arillus ; albumen fleshy, rarely scanty ; embryo 

 straight, cotyledons flat leafy, radicle short terete. — Distrib. : Chiefly 

 tropical ; most numerous in South America. G-enera about 18 ; species 

 about 320. 



Erect shrubs, without tendrils ... ... ... 1 Paropsia. 



Scandent, with tendrils : — 



Fruit pulpy, indehiscent; flowers large ... ... 2 Passiflora. 



Fruit dehiscent ; flowers small ... ... 3 Adenia. 



1. Paropsia, Noronh. 



Shrubs. Leaves simple. Flowers in dense axillary cymes. Calyx- 

 tuhe short; limb 5-parted. Petals 6, springing from the base of the 

 calyx-tube. Corona of fine threads springing from the tube of the calyx 

 and more or less divided into five phalanges. Gynophore short ; fila- 

 ments flat ; anthers oblong. Ovary subglobose. Shjle short, dividing 

 into three branches ; stigmas reniform-capitate. Fruit capsular. — Dis- 

 trib. Species 4 or 5, natives of tropical Africa and Malaya. 



P. VARECCFORMis, Mast. in Trans. Linn. Soc, XXVII, 639. A shrub 

 or small tree. Leaves subcoriaceous, oblong or oblong-lanceolate, acute 

 or shortly acuminate, the base cuneate, the edges entire or (rarely) 

 minutely serrate ; both surfaces glabrous except the glandular puberalous 



577 



