PASSIFLORACEAE. 125 



perfect or dioecious. Calyx of 4 or 5 more or less united sepals. Corolla 

 of 4 or 5 distinct or united petals, sometimes accompanied by a fringed 

 crown, or rarely wanting. Androecium of 5 stamens, or of 10 stamens in 

 2 unequal rows. Gynoecium of 3-5 united carpels. Ovary superior. 

 Fruit a berry or a capsule. 



Corolla not accompanied by a crown : flowers mainly dioecious, the staminate and 



pistillate different. Fam. 1. PAPATACEAE. 



Corolla accompanied by a crown : flowers perfect, all alike. Fam. 2. PASSIFLOBACEAB. 



FAMILY 1. PAPAYACEAE. PAPAW FAMILY. 



Shrubs or trees. Leaves with ample 7-9-lobed blades. Corolla 

 salverform. Stamens 10: filaments adnate to the corolla-tube. Anthers 

 erect. Fruit baccate, borne near the top of the stem. 



1. CARICA L. Plants with milky juice, the stem rather tender, simple or 

 branched, much-scarred above. Leaf-blades palmately or pinnately lobed. 

 Staminate flowers in long-peduncled cymes: pistillate flowers in short-peduncled 

 cymes. Berries nearly sessile, many-seeded. 



1. C. Papaya L. Stem 3-6 m. tall, simple, leafy at the top: leaf -blades 3-6 

 dm. broad, on stout spreading petioles: corolla yellow or reddish, that of the 

 pistillate flower the larger: berry oblong to subglobose, 2-18 cm. long. 

 Pinelands, hammocks and waste places. Nat. of Trop. Am., and cultivated. 

 F. K. (Ber., Bah., Cuba, Ant.) PAPAW. CUSTARD-APPLE. 



FAMILY 2. PASSIFLOEACEAE. PASSION-FLOWER FAMILY. 



Herbs, tendril-bearing vines, or shrubby plants. Leaves with entire 

 or lobed, simple, or rarely compound blades. Corolla mostly rotate. 

 Stamens 5 : filaments usually nionodelphous around the gynoecium. Fruit 

 baccate. 



1. PASSIFLORA L. Perennial vines. Leaf-blades entire, lobed, or 

 parted. Crown filamentous, single, double, or triple. Anthers versatile.' 

 PASSIOX-FLOWER. 



Stipules minute or obsolete : leaf-blades glabrous or pubescent beneath : sepals 



unappendaged. 



Corolla wanting : leaf-blades entire or 3-lobed, linear to suborbicular in outline : 

 berry glabrous: seeds coarsely reticulate. 1. P. suberosa. 



Corolla present : leaf-blades lunate, broadly 3-lobed : berry pu- 

 bescent : seeds papillose-cancellate. 2. P. sexflora. 

 Stipules foliaceous : leaf -blades glaucous beneath : outer sepals with 



long subulate appendages. 3. P. pollens. 



1. P. suberosa L. Twigs glabrous or minutely pubescent: leaf -blades entire 

 to 3-lobed, mostly 2-10 cm. long: cymes 1-f ew-flowered : sepals linear to 

 lanceolate or oblong, 4-6 mm. long: corolla wanting: crown mostly blue-tinged: 

 berries 6-10 mm. in diameter: seeds about 3 mm. long. Pinelands and ham- 

 mocks. F. K. (Ber., Bah., Cuba, Ant.) 



2. P. sexflora Juss. Twigs tomentulose : leaf-blades 6-14 cm. broad, pubescent : 

 cymes several-flowered: sepals lanceolate, 9-11 mm. long: corolla as long as 

 the calyx: crown purple-tinged: berries globular 9-11 mm. in diameter, pubes- 

 cent: seeds 2-2.5 mm. long. Hammocks. (Cuba, Ant.) 



3. P. pallens Poepp. Twigs glabrous, glaucous: leaf -blades nearly equally 

 3-lobed, 4-8 cm. long, the lobes ovate or very broad, the terminal one usually 



