Calcareous Ooze 



Partially decomposed, soft, organic material mixed with 

 a considerable proportion of calcareous material on the bot- 

 tom of some bodies of water. 



Calcicole 



An organism, usually a plant, growing in soil rich in 

 calcium. 



Calcification 



A soil process in which the surface soil is supplied with 

 calcium by the decomposition of plants or in which a 

 calcareous layer is formed in the soil. cf. Podzolization. 



Calcifuge 



A plant that grows best in acid soil. See Acidophilous. 



Calciphile 



A plant that grows best in calcareous soil. See Basophilous. 



Caiciphobe 



An Acidophilous (q. v.) plant. 



Caldera 



A large basin-like depression with steep sides in the top 

 of a volcanic mountain, e.g., Crater Lake, Oregon. 



Caliche 



A calcareous hardpan in southwestern United States, also 

 applied to deposits of sodium nitrate in Chile and Peru. 



Calyx 



The outer whorl of flower parts, made up of sepals, 

 usually green and resembling leaves or bracts, or with other 

 colors in some flowers. 



Cambium 



A layer of Meristem (q. v.) cells and the undifferentiated 

 daughter cells; used preferably for vascular cambium (which 



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