PASSIFLORE^E 585 



both surfaces, T75 cm. long, 1-1 cm. wide ; petiole slender, sub- 

 terete, subchannelled on the upper side, pubescent, 1-5 cm. long. 



No. 2. Eotund-ovate, acute, trinerved ; lamina 2 cm. long, 

 1'75 cm. wide. 



No. 3. Rotund-ovate, subtrifid, palmately trinerved ; lateral lobes 

 small, triangular, cuspidate ; middle lobe large, triangular, acute. 



Nos. 4 and 5. Similar but proportionately broader and more 

 decidedly palmate. 



Passiflora macrocarpa, Mast. (fig. 373). 



Fruit oblong, obtuse at both ends, stipitate, glabrous, one-celled, 

 many-seeded, baccate or fleshy when mature, large and thick, 

 indehiscent. 



Seeds obovate, much compressed, bidentate at the base, tri- 

 dentate at the apex, margins irregularly crenate, with the testa 

 produced all round into a double wing, convex in the middle, and 

 pitted with round or angular depressions, arillate ; chalaza basal, 

 forming a turbinate, yellow thickening, hidden by the wings or 



FIG. 373. Passiflora macrocarpa. A, seed. B, longitudinal section 



Ch, chalaza ; Ra, raphe. C, transverse section of seed. All x 3. 



produced edges of the testa, and in close contact with the endosperm ; 

 raphe passing round from near the emargination of the base, and 

 beneath or between the wings of the testa to the chalaza lying 

 beneath the middle tooth at the basal end ; micropyle superior ; 

 funicles stout, elongated, produced into a cup-shaped or sub- 

 cylindrical aril, enclosing the seed but open at the upper end ; hilum 

 a little to one side of the emarginate base. 



Endosperm copious, fleshy, pitted by the indentations of the 

 testa, and surrounding the embryo. 



Embryo straight, large, colourless, nearly equalling the endo- 

 sperm in length ; cotyledons oblong-oval, obtuse, entire, slightly 



