378 PHARMACEUTICAL B OTANY 
Official drug 
Part used 
Botanical origin 
Habitat 
N.F. 
ica and other species 
of Angelica 
and Siberia 
Angelicae Radix 
Rhizome and 
Angelica atropur- 
United States 
N.F. 
roots 
purea and other 
species of Angelica 
and Canada 
Apii Fructus N.F. 
Ripe fruit 
Apium graveolens 
England 
Unofficial 
Imperatoria 
Root 
Imperatoria 
Europe 
• 
Ostruthiuru 
Pimpinella 
Roots 
( Pimpinella Saxifraga 
\ Pimpinella magna 
| Central Europe 
Ammoniacum 
Gum-resin 
Dorema 
Persia 
Ammoniacum 
Galbanum 
Gum-resin 
Ferula galbaniflua 
Persia and 
Afghanistan 
Levisticum 
Root 
Levisticum officinale 
Europe 
Cornaceoe or Dogwood Family. —Herbs ( Cornus canadensis , etc.), 
shrubs ( Cornus sanguinea, etc.) or trees ( Cornus florida, Nyssa 
sylvatica , etc.). Leaves simple, alternate (Sour Gum), or opposite 
(Dogwoods). Inflorescence an umbel or head, the whole being 
surrounded by an enlarged and more or less petaloid involucre. 
Flowers regular, rarely pentamerous, more frequently tetramerous; 
sepals usually four, small tooth-like or absorbed; petals usually 
four, small, greenish to yellowish to white ( Cornus florida ), rarely 
pink or crimson; stamens four or five, alternate to the petals and 
inserted with the sepals and petals epigynously around and between 
the nectar disc; pistil syncarpous, bicarpellate, rarely tricarpellate; 
ovary as many celled with one pendulous ovule in each cavity; 
style usually simple, ending in rounded or slightly bilobed stigma. 
Fruit a two-seeded drupe. Seeds albuminous. 
Official drug Part used Botanical origin Habitat 
Cornus N.F. Bark of root Cornus florida Eastern United 
States and 
Canada 
Sub-class b.—Sympetal^e (Gamopetal^e or METAcnLAMYDEiE) 
A division of dicotyledonous plants in which the flowers possess 
both calyx and corolla, the latter with petals more or less united 
into one piece. 
