592 PHARMACEUTICAL BOTANY 
nate, scattered cauline leaves. Each of these simple, exstipulate, 
often hairy, rarely glabrous. Inflorescence a raceme of dichasial 
or scorpioid cymes, at times condensed into a dichasium of 
scorpioids or a simple scorpioid cyme. Flowers pentamerous, 
regular, passing to slight or marked irregularity as in Blue-weed 
(Echium); sepals five, green, slightly or deeply gamosepalous, 
often hairy; petals five, the corolla varying in shape from rotate 
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Fic. 449.—Yerba Santa (Eriodictyon 
californicum), an evergreen shrub found 
along the coastal ranges from central 
California to Oregon. The leaves are 
used in expectorant preparations. (Re- 
Fic. 
Comfrey, a hairy perennial herb with a 
mucilaginous root and purplish, blue, 
or pinkish-white tubular flowers borne 
in pendulous cymes. (Reproduced from 
produced from U. S. Dept. Agric. Miscel- 
laneous Publ. 77.) 
U.S. Dept. Agric. Misc. Publ. 77.) 
with shallow tube, as in Forget-me-not (M fyosotis) and Borage, to 
tubular, as in Comfrey (Symphytum), to funnel-shaped in most 
species; in color, all transitions, frequently purple-blue to blue; 
stamens five; pistil bicarpellate, syncarpous, embryologically 
two-celled with two ovules in each cavity, but dorsal ingrowths 
divide ovary by time of flowering into four cells with one ovule 
in each cavity; style gynobasic. Fruit typically four-nutlets. 
Seeds solitary in each cavity and either scantily albuminous 
(Heliotropee) or exalbuminous (Boraginea). 
