Descriptive Flora 



141 



Passiflora Iwtea L. Dwarf Passion Flower. 



Slender-stemmed vine climbing by tendrils and having 3- 

 lobed leaves broader than long, and fringed greenish flowers 

 about %" across. Leaves simple, alternate. Blades 2 to 5" 

 broad, with the 3 lobes broader than long. Flowers in pairs, on 

 slender peduncles about %" long, at intervals along short, slender 

 axillary branches of the main vine stem. Flower consists of 5 

 greenish sepals, a circle of 5 small, inconspicuous petals, a green 

 fringe, and a superior ovary, tipped by 3 club-shaped styles, and 

 having a circle of 5 stamens spreading below it. July to fall. 

 Banks of streams and thickets. Distinguished from Passiflora 

 affinis by the very broad, shallow lobes. 



Passiflora affinis Engelm. Dwarf Passion Flower. 



Vines climbing by delicate tendrils and having leaves with 

 blades broader than long (1 to 3" broad) and strongly 3-lobed. 

 Flowers greenish, about 1 inch across, solitary in the axils of the 

 alternate leaves and conspicuously fringed within the calyx. In 

 the center is a stout stalk bearing a green, globular ovary fitted 

 up like a parachute with 5 stamens radiating from its base and 

 3 styles radiating from the top. Fruits likewise solitary in the 

 axils of the leaves and resembling blue balls, the size of marbles, 

 hanging on slender pedicels, 1 to 2 inches long. Blossoms in late 

 summer and fall. Thickets along streams. Rare. 



LOASACEAE. Loasa Family. 



Mentzelia nuda Torr. & Gray. "Buena mujer". Good Mother. 

 (Nititallia nuda [Pursh] Greene.) Stick-leaf. Poor-man 's Patches 

 Pale starry flowers, gleaming ivory stems and pale, flat 

 leaves that are so provided with many small hooked hairs that 

 they stick to one like a good woman as the witty Mexican name 

 implies. Leaves simple, alternate. Blades lanceolate, sparingly 

 coarsely toothed or shallowly lobed, covered with minutely barbed 

 hairs. Flowers golden yellow, iy 2 to 2 inches across, opening at 



