PORTULACACE^I. 1 19 



drils 5-6 inches long. Flowers axillary, yellow, the sterile in small racemes, 

 the fertile solitary. Small Creeping Cucumber. 



ORDER L. PASSIFLORACEJ3. PASSIONWORTS. 



Sepals 5, combined in a tube of variable length which is 

 lined by filamentous processes. Petals 5, arising from the 

 throat of the calyx, sometimes wanting. Stamens 5, monadel- 

 phous, rarely indefinite. Ovary seated on a long stalk, 1 -celled ; 

 styles 3> clavate ; stigma dilated. Fruit with 3 polyspermous 

 placentae, sometimes 3-valved. Seeds with a brittle sculptured 

 testa ; albumen fleshy. Herbaceous plants or shrubs, usually 

 climbing. Leaves alternate, with leafy stipules. Flowers ax- 

 illary or terminal. 



PASSIFLORA. Linn. Passion Flower. 

 (Altered by Linnaeus from flos passionis, or passion flower. \ 

 Calyx 5 -parted, colored, with the tube very short. Petals 

 5, inserted into the calyx, or none. Stamens 5, monad elphous. 

 Crown of many filiform rays. Berry often pulpy, rarely sub- 

 membranaceous, pedicelled. 



1. P. lutea Linn.: leaves cordate, 3-lobed, obtuse, nearly smooth; peti- 

 oles without glands ; peduncles axillary, in pairs ; petals much longer than 

 the calyx. 



Banks of streams. Penn. to Flor. W. to Miss. June, July. %. Stem climb- 

 ing, slender, 310 feet long. Flowers small, greenish-yellow. Fruit dark pur- 

 ple. Yellow Passion Flower. 



2. P. incarnata Linn. : leaves smooth, subcuneate at base, 5-nerved, 

 deeply 3-cleft ; lobes ovate-lanceolate, mostly acuminate ; petioles with 2 

 glands; involucre 3-leaved; leafets lanceolate, glandular-serrate; ovary 

 villous. 



Banks of streams. Del. to Flor. W. to Mies. Sept. 1|.. Stem long, climb- 

 ing. Flowers large, on long pedicels. Petals oval-oblong, white. Crown pur- 

 ple. Fruit oval, pale yellow when ripe, eatable. 



Flesh-colored Passion Flower. 



ORDER LI. PORTULACACE^E. PURSLANES. 



Sepals 3, cohering by the base. Petals generally 5. Sta- 

 mens inserted irregularly into the calyx or hypogynous, varia- 

 ble in number. Ovary 1 -celled ; style 1 or more ; stigmas 

 several. Capsule 1 -celled. Seeds attached to a central pla- 

 centa ; albumen mealy. Succulent shrubs or herbs. Leaves 

 mostly alternate, with stipules. Flowers usually ephemeral. 



