J902.J Gr. King — Materials fur a Flora of the Malayan Peninsula. 49 



Order LI. PASSIFLOUEyE. 



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

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

 Petiole usually bearing glands. Stymies foliaceous or minute, Tendrils 

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

 moi'C branches cirrhose, rarely flowers solitary. Bracteoles 3, minute and 

 scattered, or foliaceous and forming an epicalyx, rarely 0. Flowers 

 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, arisiug from various portions of the calyx- 

 tube, rarely 0; basilar corona urceolate or cup-shaped, surrounding the 

 base of the andrcecium, sometimes represented by five separate glands 

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

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

 introsely. Ovary superior, on a gyuophore or subsessile, 1-celled 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 ; f unicle 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. Genera about 18 ; species 

 about 320. 



Erect shrnbs, wibhont tendrils ... ... ... 1 Paropsia. 



Scandent, with tendrils: — 



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



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



1. Paropsia, Noronh. 



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

 tube short ; limb 5-parted. Petals 5, 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. Style short, dividing 

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

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



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



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



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



minutely serrate ; both surfaces glabrous except the glandular puberuloua 



J. ii. 7 



