GENUS I. 



PASSION-FLOWER FAMILY. 



565 



i. PASSIFLORA L. Sp. PI. 955. 1753. 



Climbing tendril-bearing herbaceous or woody vines, with lobed parted or entire alter- 

 nate or rarely opposite leaves, and large showy axillary flowers, on jointed, often bracted 

 peduncles. Calyx-tube cup-shaped or campanulate, deeply 4-5-lobed, the lobes narrow, imbri- 

 cated in the bud, its throat crowned with a double or triple fringe called the corona. Petals 

 4 or 5 (rarely none), inserted on the throat of the calyx. Ovary oblong, stalked. Filaments 

 monadelphous in a tube around the stalk of the ovary, separate above; anthers narrow, versa- 

 tile. Fruit a many-seeded berry. Seeds pulpy-arilled, flat, ovate; endosperm fleshy. [Flower 

 of the Cross, or Passion, as emblematic of the crucifixion.] 



About 300 species, mostly natives of tropical America, a few in Asia and Australia. Besides 

 the following, about 7 others occur in the southern and southwestern States. Type species : Passi- 

 flora incarnata L. 



Leaves deeply 3-s-lobed ; the lobes serrate ; petals whitish ; corona purple. i. P. incarnata. 



Leaves obtusely 3-lobed above the middle, the lobes entire ; flowers yellowish. 2. P. lutea. 



i. Passiflora incarnata L. Passion- 

 flower. Passion-vine. Fig. 2974. 



Passiflora incarnata L. Sp. PI. 959. 1753. 



Stem glabrous, or slightly pubescent above, 

 striate when dry, climbing to a height of 

 io-30. Petioles i'-2' long, with 2 glands 

 near the summit ; leaves nearly orbicular in 

 outline, glabrous, or often somewhat pubes- 

 cent, 3'-s' broad, somewhat cordate at the base, 

 deeply 3-lobed (rarely S-lobed),the lobes ovate 

 or oval, acute or acutish, finely serrate ; flowers 

 solitary, axillary, white with a purple or pink 

 corona, \\'-2.' broad ; peduncles longer than the 

 petioles, usually 3-bracted just below the flow- 

 ers ; calyx-lobes linear, cuspidate on the back ; 

 berry ovoid, nearly 2' long, glabrous, yellow. 



In dry soil, Virginia to Missouri, south to Flor- 

 ida and Texas. Fruit edible, called maypops. 

 May-July. 



2. Passiflora lutea L. Yellow Passion- 

 flower. Fig. 2975. 



Passiflora lutea L. Sp. PI. 958. 1753. 

 ' Glabrous or very nearly so throughout, 

 herbaceous, climbing or trailing, 3-io long. 

 Petioles i'-ii' long; leaves much broader than 

 long, more or less cordate at base, with 3 wide 

 obtuse rounded lobes, the lobes entire, often 

 mucronulate; stipules i"-ij" long; peduncles 

 slender, exceeding the petioles, usually in pairs 

 from the upper axils ; flowers greenish yellow, 

 6"-io" broad ; calyx-lobes linear ; berry glo- 

 bose-ovoid, 5"-6" in diameter, glabrous, deep 

 purple. 



In thickets, Pennsylvania to Illinois, Missouri, 

 Kansas, Florida and Texas. May-July. 



Family 92. LOASACEAE Reichenb. Consp. 160. 1828. 



LOASA FAMILY. 



Erect or climbing branching herbs, often armed with hooked stinging or viscid 

 hairs, with alternate or opposite exstipulate leaves, and solitary racemose or 

 cymose, regular and perfect, white yellow or reddish flowers. Calyx-tube adnate 

 to the ovary, its limb 4-5-lobed, persistent. Petals 4 or 5, inserted on the throat 

 of the calyx. Stamens oo, inserted with the petals; filaments filiform, commonly 

 arranged in clusters opposite the petals, the outer sometimes without anthers and 

 petaloid (staminodes) ; anthers introrse, longitudinally dehiscent. Ovary i -celled 



