SCIENTIFIC AND POPULAR. 91 



a. C. Siliqiia L. Mediterranean Basin. Carob tree, Locust tree. 

 St. John's-bread, Honey-bread, Sweet-pod, Locust Bean. [Lo- 

 cust because the food of John the Baptist, a name now applied to 

 other legunnnous trees]. Ger. Johannisbrod, Soodbrod.Karobe; 

 iFr. Caroube (Codex) Carouge; Sp. Algamtba de Valenca, 

 Garrobo(froin Arabic). Legumes, Fructus ceratoniie, Siliqua 

 dulcis; demulcent, rich in sugar, the "husks" of the parable. 

 Seeds, the original kai at weight. See Abrus and Adenanthera. 



433. CERATOPHYLLUM, L. Homwort. Ceratophyllaceae. 



From Greek, ''horn-leaf. Aquatic plants. Une or two 

 species, cosmopolitan. 



a. C. demersum L. Cosmopolitan, common in U. S. Hornwort, 

 Horn-weed, Morass-weed. Plant reputed emollient. 



434. CERAT(3pTERIS, Brongn. Water-fern. Polypodiaceae. 



From Greek, *'horn frond". Syn. Elbocarpus, Parkeria. 

 Small aquatic fern. One species only, in all sub-tropical 

 countries, (U. S.) 



436. CERCIDIOI, Tul. Cercidium. Caesalpinaceae^ 



Latin, from Uercis, the Judas tree. Syn. Parkiusonia, in 

 part. Trees or shrubs. About 5 species, all American; 3 in 

 southwestern U. S. 



436. CERCIS, L. - Judas-tree. - Caesalpinaceae. 



The classical name. Syn. Siliquastrum, Medic. Shrubs or 

 small trees. About 6 species, northern hemisphere; 3 in U. S. 



a. C. Canadensis L. (S. Canadense Medic, S. cordatum Moench.). 



Ontario and eastern U. S. American Judas-tree, Red-bud, 

 Red Judas-tree, Salad-tree; Fr. Bouton rouge, Gainier. Buds 

 have been used in salads and pickles. 



b. C. Siliquastrum L. (S. Arbor-Judae Medic). Europe. 



European Judas-tree, Love-tree; Ger. Judasbaum, Fr. Arbre 

 de Judee. 



437. CERCOCARPUS, H. B. K. Mountain Mahogany. Rosaoeae. 

 From Greek, "tailed fruit". Shrubs or small trees. About 



6 species, southwestern U. S. and Mexico. 



a. C. ledifolius Nutt. Sierra Nevada Mountains. California 

 Mountain Mahogany. 



438. CEREUS, Miller. - Cereus. - Cactaceae. 



Syn. Cactus, in part. A genus of more than 200 species, 

 tropical regions. New World. 



a. C. grandiflorus (L. )Mill. (Cactus grandiflorus L.). Tropical 

 America. Night-blomiiig Cereus; Ger. Konigen der Nacht; 

 Fr. Cierge a grandes Heurs. Plant, especially flowers, cardiac 

 sedative. [Several other species have been employed, notably 

 (b) C. Bonpliindii Parm., Brazil and (c) C. McDonaldii 

 Hook., Honduras.] 



d. C. triangularis Mill. Central America to West Indies. 

 Strawberry Pear. Pruit edible. 



