INDEX AND GLOSSARY 



Numbers in parenthesis refer to paragraphs 



Aborted: crowded out, (291). 



Abronia, Fig. 19. 



Absorption by roots, 70. 



Abutilon striatum, 313, Fig. 461; Thomp- 

 son!, 313. 



Acacia, 104, 105, Fig. 151. 



Accessory buds: more than one in an 

 axil, (87). 



Accessory fruit: other parts grown to 

 the pericarp. (286). 153. 



Acer, 316, Figs. 464-7. 



Acetic acid, 246. 



Achillea Millefolium, 337. 



Acids, 246. 



Acclimatization: adaptation to a climate 

 at first injurious, (339). 



Acorn, 147. 



Acuminate: taper-pointed, (199). 



Acute: sharp-pointed, (199). 



Adder's-tongue, 292 ; fern, 191, Fig. 341. 



Adiantum pedatum, 285, Fig. 309. 



Adventitious buds: those appearing on 

 occasion, (54, 123). 



^Ecidia, 185. ^Ecidiospore, 185. 



Aerial roots, 10. 



Ageratum conyzoides, 337. 



Aggregate fruit: one formed by the co- 

 herence of pistils which were distinct 

 in the flower, (296). 



Agrimony, 162. 



Ailanthus buds, Fig. 53; fruits, 160. 



Air-plants, 12, 88. 



Akene: dry, indehiscent 1- seeded peri- 

 carp, (288). 



Alcanin, 241. 



Alcohol, 241. 



Alder, black, 301; smooth, 301; speckled, 

 301. 



Aleurone grains, 249. 



Alfalfa, 318, Fig. 470. 



Algse, 176, 178, 235. 



Alkaloids, 246. 



Almond bud, 39, Fig. 64. 



Alnus'glutinosa, 301; incana, 301; rugosa, 



Alpine plants, 220. [301. 



Alsike clover, 318. 



Alternation of generations, 174, 194. 



Althsea rosea, 312, Figs. 206, 207, 235. 



Alyssum maritimum, 152, 311, Fig. 460. 



Amarantus, 163. 



Amaryllidacese, 295. 



Ambrosia, 336, Fig. 497. 



Amoeboid, 235. 



Ampelopsis, leaves of, 95, Fig. 142. 



Amphibious, 199. 



Amylo-dextrine, 249. 



Anacharis, experiment with, 78, 235. 



Analogy; related in function or use, (211). 



Anaphase, 240. 



Anemone, 309 fruit, 148. 



Anemophilous: pollinated by wind, (267). 



Annual: of one season's duration, (10). 



Anther : pollen-bearing part of the sta- 

 men, (254). 



Antheridia, 174, 180. Antheridiophore,187. 



Anthodium : flower-head of the Com- 

 posite, 116. 



Antirrhinum majus, 332, Fig. 220. 



Antitropic : against the sun, (231). 



Apetalous : petals missing, (257). 



Aphyllon, 85, Fig. 118. 



Apical : at the apex or top, (292). 



Apium graveolens, 326. 



Apparatus, 240. 



Apple, 323, Figs. '267, 268; acid, 246; an- 

 ther, 129; bud, 36, 40, Fig. 67; bud-vari- 

 ation, 229; cells, 233, 234; fruit, 155, 

 Fig. 268; inflorescence, 118, Fig. 267; 

 leaf-scar, 37; -pear graft, 28; phyllotaxy, 

 48, 49; thorns, 104; tree, 15, Fig. 18. 



Apricot bud, 37, 39, 321, Figs. 51, 65, 477. 



Aquatic, 198. 



Aquilegia, 310, Fig. 458. 



Arbor-vitse, 288, Fig. 426. 



Archegoniophore, 187. Archegonium, 174. 



Arctium Lappa, 339, Fig. 280 



Arisaema, 290, Fig. 226. 



Arrow-root starch, 249. 



Arrow-wood, 334. 



Artichoke, Jerusalem, 338. 



Arums, 141. 



Ascending, 15. 



(341) 



