Anamniote 



An animal lacking an embryonic membrane or amnion 

 (q. v.), e.g. frogs, fishes, cf. Amniote. 



Anandrous 



Refers to flowers lacking stamens. 



Anatomy 



The branch of biology that deals with the structure of 

 plants or animals. 



Anchor-ice 



Ice that has formed on the bottom of a stream. 



Andean 



Refers to the Andes Mountains of South America. 



Androconia 



Modified scales on wings of Lepidopterons (q. v.), produc- 

 ing a sexually attractive odor. 



Androdioecious 



Refers to the presence of flowers with only stamens and 

 flowers with both stamens and pistils on separate plants, 

 cf. Andromonoecious. 



Androecium 



The stamens of a flower, collectively. 



Androgen 



A substance causing the formation or maintenance of 

 male sexual characteristics in certain animals. 



Androgynous 



Refers to flower clusters in which the staminate flowers 

 are attached above the pistillate flowers, e.g. certain sedges. 



Andromonoecious 



Refers to the presence of flowers with only stamens and 

 flowers with both stamens and pistils on the same plant, 

 cf. Androdioecious. 



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