Cryophyte 



A plant growing on snow or ice, e. g., "red snow," an 

 alga, Chlamydomonas sp. 



Cryoplanation 



Land erosion or reduction by intensive frost action. 



Cryptogam 



A plant in any of the groups; Thallophytes, Bryophytes, 

 and Pteridophytes. cf. Phanerogam. 



Cryptophyte 



A plant in one of the Life-form classes of Raunkiaer in 

 which the buds are covered with soil or water; includes 

 Geophytes, Helophytes, and Hydrophytes (q. v.). 



Cryptozoic 



Refers to animals living in darkness as under stones or in 

 caves. 



Cucurbit 



A plant in the gourd family, Cucurbitaceae, e. g. squash, 

 cucumber. 



Cuesta (Spanish) 



A kind of ridge with a gentle slope on one side and a 

 steep slope on the other. 



Culled Forest 



A cut-over forest from which only certain individuals 

 or species have been removed, e. g., a forest culled for pines 

 of a certain minimum diameter. 



Culm 



A stem, especially the grass stem with nodes and inter- 

 nodes. 



Cultch 



Empty shells and other kinds of material dumped into 



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