Epizoochore 



A Propagule such as a spore or a seed that is carried on 

 the body of an animal. 



Epizootic 



An Epidemic disease in animals, cf. Epiphytotic. 



Equilibrium, Community 



The condition in which a community is maintained with 

 only minor fluctuations in its composition within a certain 

 period of tune. 



Equilibrium, Ecologic 



See Balance of nature, Dynamic equilibrium. 



Equivalence, Ecologic 



See Ecological equivalence. 



Eremean (Eremic) 



Refers to desert vegetation, 



Eremophilous 



Refers to organisms living in deserts. 



Eremophyte 



A plant growing in a desert. 



Erg 



The part of the Sahara desert covered with sand dunes. 



Ergot 



A disease of cereals, especially rye, and other grasses, 

 caused by the fungus Claviceps pur pur ea; in which dark- 

 colored structures replace the grain. 



Ericaceous 



Refers to the heath family of plants, Ericaceae. 



Ericad 



A member of the heath family, Ericaceae, e. g., blue- 

 berry. 



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