76 Passion- Flower ( Passifloracece). [No. 9 



Found, in damp ground from Ontario to South Carolina 

 and Florida, and west to Wisconsin and Texas ; also 

 in cultivation. 



An extensively climbing vine, the only native climbing 

 rose of America, as it is the only one also with united and 

 exserted styles. The stems are armed with a few stout 

 prickles. Vigorous shoots sometimes grow from ten to 

 twenty feet in a season. There are about twenty varieties 

 of the species in cultivation ; one of them is the favorite 

 Baltimore Belle. 



No. 9. Family PASSIFLORACE^. (Passion-Flower 

 Fam.) 



Genus PASSIFLORA, L. 



From words meaning " passion" and " flower" because of a fancied resemblance in 

 the parts of the flower to the implements of the Crucifixion. 



Fig. 41. Yellowish Passion-Flower. P. lutea, L. 

 Flowers, greenish-yellow, about one inch across ; on 

 jointed stems, solitary or in pairs from the axils of 

 the leaves. Petals, five, not united, inserted on the 

 throat of the calyx. Sepals, five, colored like the 

 petals, at least within ; united toward the base into a 

 shallow cup ; the edges of the cup furnished with a 

 delicate triple fringe. Stamens, five, united below so 

 as to form a sheath around the long stem of the 

 seed- case. Anthers, large, balanced at their centres. 

 Styles, three, with club-like stigmas. Seed-case, free, 

 one-celled, many-seeded, raised on a sheathed stem. 

 May, July. 



Leaves, simple, alternate, three-lobed toward the apex, 

 heart-shaped at the base ; the lobes blunt ; edges 

 entire. Stipules, present. Leaf-stems, without 

 glands. 



