120 PLANT NAMES AND SYNONYMS 



686. COTYLEDON, L. Navelwort. Crassulaceae. 



Ancient Greek name of a plant with "cup-like" leaves. 

 Syn. Umbilicus. Herbs or shrubs. About 75 species, Old 

 World and N. America; 15 in U. S. 



a. C. Umbilicus L. (C. urabilicata Lam., U. pendulinus DC). 

 Europe. J^avelwort, Pennywort, Penny-leaves, Penny-pies, 

 Penny-plates, Wall Pennywort, Cups-and-saucers, Hipwort, 

 Kidneywort, Milk-tlie-cows, Pancakes; Ger. Nabelkraut; Fr. 

 Cotylet, Nombril de Venus. Leaves mucilaginous, vulnerary. 



687. COURSETIA, DC. Coursetia. Papilionaceae. 

 Trees or shrubs. About 10 species, warmer regions of Amer- 

 ica; 2 iu U. S. 



688. COVILLEA, Vail. Creosote bush. Zygophyllaceae. 



Syn. Larrea, Cav. Evergreen heavy-scented shrubs. 

 About 5 species, mostly of S. America; 1 in U. S. 



a. C. divaricata ( Cav. ) Vail ( L. Mexicana Moric. ). Southern 



Colorado to California and Mexico. Creosote bush, Tar-weed. 



P/a/i^ alterative, antisyphilitic. One source of lac. See Croton 

 aromaticus. 



689. COWANIA, Don. - Cowania. - Rosaceae. 

 Named for Mr. Cowan, explorer in Mexico and Peru. 



Shrubs. About 3 species, Mexico and southwestern U. S. 



690. CRACCA, L. 1753. Goat's Rue, etc. Papilionaceae. 



Latin name of a Vetch. Syn. Tephrosia, Pers. 1807; Galega 

 in part. Herbs, sometimes shrubby. About 120 species, warm 

 and tropical regions; 14 in U. S. 



a. C. Apolinea (Delile) Lyons (T. Apolinea Link. (Kew), G. 



Apolinea Delile). Southern Europe. Egyptian Indigo. 

 Leaves an adulterant of senna, also a source of indigo. 



b. C. piscatoria (Sol. ) Lyons (G. piscatoria Sol., G. littoralis 



Forst., T. purpurea Pers. (Kew), T. piscatoria Hilleb., T. 

 leptostachya DC). Fish-poison, Auhuhu, Hola (Hawaii). 

 Tropical regions generally. Plant has narcotic properties; used 

 medicinally in India and to stupefy fish in Islands of Pacidc. 



c. C. toxical* ia (Pers) Lyons (T. toxicaria Pers.). Africa, nat. 



in West Indies. Fish-poison. Properties of (b). 



wd. C. Vircinidna L. 1753 (Galega Virginiana L. 1763, Tephrosia 

 Virginiana Pers. ). Southern New England to Florida and 

 west to Minnesota and northern Mexico. Cat-gut, Hoary Pea, 

 Goat's Rue, Devil' s-shoestrings, Wild Sweet Pea, Turkey Pea, 

 Rabbit Pea; Ger., Fr. Tephrosie. Leaver and root, laxative, 

 tonic, vermifuge. 



691. CRASSINA, Scepiu, 1758. Zinnia. Coinpo8itae. 



Named from Paul Crassus, Italian botanist, 16th century. 

 Syn. Zinuia, L. 1759. Herbs, some species shrubby. About 

 12 species, N. America; 5 in \J. S. [The garden Zinnia is 

 C. ^legaiis (Jacq. ) Lyons, of Mexico.] 



