PHARMACAL PLANTS AND THEIR CULTURE. 
87 
258. “ Conchatana. ” 
A medicine made from the roots of some plant used at Bodega. 
Requires further investigation. 
259. Conium maculatum L. Poison hemlock. Apiacece. ( Umbel - 
lifer ce. ) 
A well-known poison plant, native of Europe and Asia, but common 
in United States. Escaped from cultivation. Leaves and seeds used, 
twenty cents per pound. Easily cultivated. (B. Hutchins, Conium 
maculatum, wild parsnip. Calif. College Pharm. 1902. Thesis.) 
260. Concallaria majalis L. Lily of the Valley. Gonvallariacece. 
A well-known plant, cultivated extensively as an ornamental plant. 
The rhizomes and roots are heart tonic and diuretic. Used medic- 
inally in dropsy, heart disease, weak heart, etc. Properties much 
like those of digitalis. Poisonous. Cultivation easy, simple, and 
would no doubt he fairly profitable on a large scale. Price per pound, 
sixteen to twenty cents. For uses and physiological action see Proc. 
A. Ph. A. (Abstract) 31 : 101, 102, 1883, and text-books on Materia 
Medica and dispensatories. 
261. Convolvulus arvensis L. Common bindweed. European bind- 
weed. Convolvulacece. 
A very common troublesome weed. A tincture is made from the 
entire plant. 
262. Cornus florida L. Dogwood. Cornacece. 
Introduced ornamental plant. Cultivated as an ornamental tree 
throughout the State. Bark well known medicinally. Used in inter- 
mittent fevers, as an astringent tonic, etc. (U. S. Disp.) 
263. Cornus pubescens Nutt. Red willow. Cornacece. 
Eaten raw and dried for winter use. No medicinal uses appear to 
be made of this plant. 
264. Cotyledon califomicum Trelease. Hen-and-chickens. Crassu- 
lacece. 
Indians use the leaves in making a soothing poultice. The young 
leaves of C. edulis, C. lanceolata and C. pulverulenta are eaten by the 
Indians. 
265. Coptis species. Golden thread. Banunculacece. 
The native species require further study. The roots are bitter and 
used as a tonic and as a local application in aphthous ulcerations of 
the mouth. The Japanese C. anemonifolia S. and Z. is highly valued 
as a medicine. 
