566 PHARMACEUTICAL BOTANY 
Flowers pentamerous, regular or irregular (Viola) and some- 
times cleistogamous; sepals 5; petals 5, unequal, the lowermost 
often spurred at the base; stamens 5, hypogynous, with adnate, 
introrse anthers and usually closely arranged or coherent 
around the ovary, in Violeis the two lower stamens bearing spurs 
which extend into the spur of the corolla; ovary, sessile, one- 
celled with 3 to 5 parietal placentas; style usually club-shaped. 
Fruit a loculicidally dehiscent capsule (Viola), rarely baccate. 
“Seeds albuminous. 
UnorrictaL Druc Part Usep BotTANIcAL OriGIN HABITAT 
Pansy Entire herb Viola tricolor Temperate regions 
Viola Odorata Fresh flowers and Viola odorata Europe 
root 
TURNACE OR Damiana Famity.—Tropical herbs, shrubs or 
trees. Leaves alternate, simple, petioled, exstipulate. Flowers 
perfect, regular, axillary, pentamerous with one-celled ovary. 
Fruit a capsule with three valves. Seeds strophiolate with 
albuminous embryo. 
OrriciAL DruG PART UsEep BOTANICAL OrIGIN HABITAT 
| diffusa ct Lower 
Damiana Leaves Turnera California, Mexico, S. 
aphrodisjaca America, West Indies 
PASSIFLORACEZ OR Passion FLower Famity.—Herbaceous 
or woody vines climbing by tendrils. Leaves alternate, simple, 
entire, lobed or compound. Flowers perfect or imperfect, 
solitary; peduncles jointed at the flower; perianth petaloid with 
urceolate or tubular tube and four to five or eight to ten partite 
and two-seriate limb, the throat usually crowned by one or more 
series of subulate filaments which are frequently colored; gyno- 
phore elongating, supporting the stamens and pistil. Fruit a 
one-celled berry (Passiflora) or a three- to five-valved, dehiscent 
capsule containing numerous seeds. 
UnorriciAL Druc Part Usep Boranicay Oricin HaAsirat 
Passiflora Flowering and fruiting top Passiflora incarnata’ United States 
CaRICACE2 OR PAPAW FamiLy.—A family of latex-containing 
trees composed of two genera indigenous to tropical America. 
Of chief pharmaceutic interest is the species Carica Papaya, the 
