168 PASSIFLORACE.E. (PASSIOX-FLOWER FAMILY.) 



ORDER 63. PASSIFLOKACJEvE. (PASSION-FLOWER FAMILY.) 



Vines or trees, with alternate leaves, and perfect or dioecious flowers. 

 Calyx of 5 more or less united sepals. Corolla 5-petalled, inono- 

 petalous, or none. Stamens 5 or 10, separate or united, the anthers 

 iutrorse. Fruit 1 or 5-celled, mostly pulpy and indehiscent. Pla- 

 centae parietal. Seed enclosed in a pulpy aril. Embryo in the axis 

 of thin fleshy albumen. Cotyledons leafy. 



Synopsis. 



SUBORDER I. PASSIFLOREJE. Climbing vines, with stipulate leaves, 

 ami axillary perfect flowers. Calyx 5-parted, with a crown of filaments 

 at the throat. Stamens 5, monadelphous around the stalk of the ovary. 

 Styles 3. Fruit pulpy. 



1. PASS1FLORA. Filaments of the crowu separate. Petals 5, or none. 



SUBORDER II. PAPAYvE. Trees, with milky juice, palmately lobed ex- 

 stipulate leaves, and dioecious flowers. Staminate flowers monopetalous, 

 pauicled. Stameus 10. Pistillate flowers 5-petalled. Stigmas 5, sessile. 

 Fruit baccate. 



2. CARICA. Corolla of the staminate flowers salver-shaped, 5-lobed 



1 PASSIFLORA, L. PASSION-FLOWER. MAY-POP. 



Calvx tube very short. Filaments of the crown in 2 or more rows. Fruit 

 baccate. Tendrils axillary. Peduncles jointed, 1 -flowered. 



1. P. incarnata, L. Leaves palmately 3-lobed, acute, serrate ; petioles 

 biglandular; peduncles 3-bracted ; sepals with a horn-like point below the 

 apex, whitish within ; filaments of the crown in about 5 rows, the 2 outer 

 ones as long as the sepals ; berry large, oval. In open or cultivated ground, 

 common. June -July. 11 Fruit yellowish, as large as a hen's egg. Flow- 

 ers purple and white. 



2. P. lutea, L. Leaves cordate, broadly 3-lobed at the summit, with the 

 lobes rounded and entire; petioles glaudless ; flowers small, greenish yellow; 

 peduncles by pairs, bractless ; filaments of the crown in 3 rows, shorter than 

 the sepals. Woods and thickets. June- July. 2/ Fruit oval, purple, \' 

 in diameter. 



3. P. suberosa, L. Leaves smooth, slightly fringed on the margins, 5- 

 nerved at the base, divided above the middle into 3 ovate entire acute lobes, the 

 middle lobe largest ; petioles short, biglandular above the middle; peduncles 

 commonly by pairs ; flowers greenish ; petals none ; filaments of the crown 

 shorter than the sepals, purple at the base ; fruit purple. South Florida, 



4. P. angustifolia, S\vartz. Lower leaves mostly 3-lobed, with the 

 lobes lanceolate, obtuse, and entire; upper leaves simple, lanceolate, and 

 acute; petioles short, biglandular; flowers small, solitary or by pairs, the pe- 

 duncles short and bractless; petals none. South Florida. Stem l-2 



