GLOSSARY OF TERMS USED IN THIS BOOK. 



Actinomorphic (Ac-tin-o-mor'-phic) , radiate, 407. 



Adnate (Ad'-nate) , said of one or more series of flower parts which are 



joined to one another, 147, 156. 

 Adventitious (Ad-ven-ti'-tious) , out of the usual place, as buds which do 



not arise in the axils of the leaves; roots arising from the stem, 53. 

 Aecidiospore (Ae-cid'-i-o-spore) , name of spores borne in an accidium, or 



cluster-cup of the rusts. 

 Aecidium (Ae-cid'-i-um, plural, aecidia), the cup-shaped fruit body in the 



aecidial, or cluster-cup stage of the rusts. Also a "form" genus name, 



310, 311, 316, 320. 



Aerobes (A'-er-obes), organisms requiring air for their life processes, 122. 

 Aerobic (A-e-rob'-ic), the property of living as an aerobe, 122. 

 Akene (A'-kene), a dry one-seeded indehiscent fruit, 156, 204, 206. 

 Albuminous seeds (Al-bu'-min-ous), seeds containing endosperm or "albu- 

 men" outside of the embryo; in botany, seeds containing any nutritive 



substance outside of the embryo, 203. 



Aleurone (A-leu'-rone), the protein substance in wheat grains, etc., 20. 

 Ament (A'-ment),= catkin, 433. 



Amentiferous (A-men-tif-er-ous), ament bearing, 433. 

 Anaerobes (An-a'-er-obes), organisms living and growing in the absence of 



air or oxygen, 121, 122. 



Anaerobic (An-a-e-rob'-ic), the property of living as an anaerobe, 122, 123. 

 Androecium (An-droe'-ci-um), the stamens of a flower taken collectively, 143. 

 Anemophilous (An-em-oph'-i-lous), wind loving, said of flowers which are 



"wind-pollinated," 183. 

 Angiosperm (An'-gi-o-sperm) , enclosed seed, applied to plants of the group 



to which the beans, etc., belong, because the seeds are enclosed in the 



pistil, 204, 405-421. 

 Annual, living only one season, 43. 

 Antheridiophore (An-ther-id'-i-o-phore, antheridium bearer), a specialized 



structure, bearing antheridia, 336. 

 Antheridium (An-ther-id'-i-um), the sperm case, the male sexual organ of 



most plants. 



Antherozoid (An'-ther-o-zoid), see Sperm, 365. 

 Antipodal (An-tip'-o-dal) cells, the cells in the embryo-sac at the opposite 



end from the micropyle, 201, 412-414. 

 Antitoxin, a substance which neutralizes certain ptomaine poisons, 269. 



509 



