22 WILD 



UNITED STATES. 





Clematis virginiana L. Crowfoot family (Kanunculaceae). 



Virgin' s-bower; clematis. 



Shrubby, perennial vine; native; found along river banks in hedges and thick- 

 ets from Canada to Georgia and Kansas. 



Parts used. — Leaves and flowers (nonofficial). 

 Clotbur, spiny. See XantJtium spinosum. 

 Clot weed, thorny. See Xardhium spinosum. 

 Clover, bitter. See Sabbat i a angularis. 

 Clover, meadow-. See Tr if olinm pratense. 

 Clover, purple. See Trifolium pratense. 

 Clover, red. See Trifolium pratense. 

 Clover, yellow sweet. See Melilotus officinalis. 

 Club-moss. See Lycopodium clavatum. 



Cnicus benedictus L. Aster family ( Asteraceae) . 



Synonym*, — Carduus benedictus Auct. ; Centaurea benedicta L. 

 Blessed thistle; holy thistle; bitter thistle; spotted thistle; St. Benedict' s-thistle. 



Annual plant, 1 to 2 feet high; in waste places, Southern States, and in Califor- 

 nia and Utah; introduced from Europe. 



Part used. — Herb (nonofficial). „ 



Cocash. See Aster pumceus. 

 Cocash-weed. See Senedo aureus. 

 Cockle-button. See Arctium lappa. 

 Cocowort. See Bursa bursa-pastoris. 

 Cohosh, black. See Cimicifuga racemosa. 

 Cohosh, blue. See Cauloph yllum thalictr aides. 

 Cohosh, red. See Actaea rubra. 

 Cohosh, white. See Actaea alba. 

 Colic-root. SeeAletrisfarinosa, Dioscorea rillosa, Lacinaria spicata, and L. squarrosa. 



Collinsonia canadensis L. Mint family (Menthaceae). 



Stoneroot; rich weed; knobroot; horse-balm. 



Native, perennial herb, about 2 feet high, occurring in rich, moist woods from 

 Maine to Wisconsin, south to Florida and Kansas. 



Part* used. — Root and leaves (nonofficial). 

 Colt—foot. See Tussilugo farfara. 

 Colt's-tail. See E< igeron canadensis. 

 Columbine, European. See Aquilegia vulgaris. 

 Columbine, garden-. See Aquilegia vulgaris. 

 Columbine, wild. See under Aquilegia vulgaris. 

 Colu mbo, American. See FYasera carol "> uensis. 

 Comfrey. See Symphytum officinale. 

 Compass-plant. See Silphium laciniatum. 



('omptonia asplenifoHa Gaertn. 



peregrina 



Comptonia peregrina (L.) Coulter. Bayberry family (Myricaceae). 



Synonyms.— Comptonia nsplenifolia Gaertn.; Ifyriea asplemfoUa L. 

 Sweet fern; spleenwortbush; meadow-fern. 



Sh uM^' plant ' about 2 * feet hi " h * native; in thin sandy or stouv woods and on 

 hillsides, Canada to North Carolina, Indiana, and Michigan, 



Parts used. — Lea 



Coneflower, pale-purple. See Brawneria anpurti folia. 



