402 
PHARMACEUTICAL BOTANY 
yellow to yellowish-white to white or again, from yellowish-purple 
(rarely through yellowish-pink or red) to purple to pure blue; 
stamens five, epigynous, usually free from corolla; nectary epigy- 
nous; pistil usually tricarpellary; ovary as many celled as number of 
carpels and with central placenta; style single elongate; stigmas as 
many as carpels. Fruit a capsule. Seeds albuminous. The.plants 
contain inulin. 
Lobeliacece or Lobelia Family. —Herbs, with inulin and latex con¬ 
tents, corresponding with Campanulaceoe in their vegetative parts, 
but differing from that group by having irregular flowers (pale blue 
in Lobelia inflata), anthers always synantherous and pistil always 
bicarpellate with two-celled ovary and bilobed or bilabiate stigma. 
Official drug Part used Botanical origin Habitat 
Lobelia Leaves and Lobelia inflata United States and 
flowering tops Canada 
VII. Order Aggregatae.— Valerianacece or Valerian Family .— 
Herbaceous often low succulent plants with creeping rhizomes, fre¬ 
quently strongly scented and possessing stimulating properties. 
Leaves frequently dimorphic; radical fascicled; cauline opposite; 
petiole dilated, exstipulate. Inflorescence a raceme of dichesial or 
scorpioid cymes. Flowers more or less irregular; calyx absent as 
such, but represented by a series of teeth that are incurved in the 
bud and flower and which expand later into a pappose crown and act 
in the fruit as a pappose disseminator; corolla pentamerous, gamo- 
petalous, varying from rotate synpetalous to irregular tubular with 
petals diversely united, in color varying from greenish-white to 
white or pink ( Valeriana officinalis) to crimson; stamens three to 
two or one ( Valerian ), epipetalous; pistil syncarpous; ovary usually 
one-celled* inferior; style filiform with three stigmatic surfaces. 
Fruit an akene from inferior ovary crowned by a persistent ex¬ 
panded pappose calyx rudiment. Seeds anatropous, exalbuminous. 
Official drug Part used Botanical origin Habitat 
Valeriana Rhizome and Valeriana officinalis Europe and Asia 
roots 
Compositce (. Asteracece) or Daisy Family. —Herbs, rarely shrubs or 
trees, of annual or perennial habit, and with watery or milky juice. 
