GLOSSARY 



[The definitions of a glossary are often unsatisfactory. It in much better to con- 

 sult the fuller explanations of the text by means of the index. The. following glos- 

 sary includes only frequently recurring technical terms. Those which are found only 

 in reasonably close association with their explanation are omitted. The number fol- 

 lowing each definition refers to the page where the term will be found most fully 

 defined.] 



ACTINOMORPHIC : applied to a flower in which the parts in each set are 



similar; regular. 228. 



AKENE : a one-seeded fruit which ripens dry and seed-like. 212. 

 ALTERNATION OF GENERATIONS : the alternation of garnetophyte and 



sporophyte in a life history. 94. 

 ANEMOPHILOUS : applied to flowers or plants which use the wind as agent 



of pollination. 181. 

 ANISOCARPIC : applied to a flower whose carpels are fewer than the other 



floral organs. 268. 



ANTHER : the sporangium-bearing part of a stamen. 197. 

 ANTHERIDIUM : the male organ, producing sperms. 16. 

 ANTIPODAL CELLS : in Angiosperms the cells of the female gametophyte 



at the opposite end of the embryo-sac from the egg-apparatus. 



205. 



APETALOUS : applied to a flower with no petals. 221. 

 APOCARPOUS : applied to a flower whose carpels are free from one an- 

 other. 226. 

 ARCHEGONIUM : the female, egg-producing organ of Bryophytes, Pteri- 



dophytes, and Gymnosperms. 100. 

 ARCHESPORIUM : the first cell or group of cells in the spore-producing 



series. 102. 



ASCOCARP: a special case containing asci. 58. 

 ASCOSPORE : a spore formed within an ascus. 59. 

 Ascus : a delicate sac (mother-cell) within which ascospores develop. 



59. 

 ASEXUAL SPORE : one produced usually by cell-division, at least not by 



cell-union. 9. 



329 



