INDEX 



[Figures in italics indicate pages upon which illustrations occur.] 



Abies, resin gland, 340. 



Abietineae, 219- 



Absorption bands, 369; spectrum, 368, 369. 



Abstraction, of spores, 65. 



Acetic fermentation, 411. 



Achene, 282. 



Acids, organic, 414. 



Acorus, vascular bundle, 246. 



Acrocarpae, i.m. 



Acrogynae, 103. 



Acropctal succession, in flowers, 256. 



Actinomorphic flowers, 256. 



Adder's tongue, 149. 



Adhesion, 324. 



Adiantum, stem section, 160. 



Aecidiospores, 83. 



Aecidium, 83, 84. 



Aerating system, 318. 



Aerotaxy, 449. 



Aerotropism, 474. 



Aestivation, 282. 



Art hi ilium, 3. 



Agaricaceae, 88. 



Agaricales, 87. 



Agaricus, 89. 



Albizzia, leaf movements, 456. 



Albugo, 65, 66. 



Alcoholic fermentation, 409. 



Aleurone grains, 3Q2. 



Algae, 14. 



Alkaloids, 392, 415. 



Allium, absorption spectra, 369. 



Alternation of generations, Coleochaete, 31 ; 



Polysiphonia, 60; rusts, 84; higher 



plant:, 92. 

 Ament, 279. 

 Amides, s»o, 392. 

 Amphigastria, 104. 

 Amphithecium, 95, 97, 99, 108, 113, 115, 11S, 



110. 



Am phi vasal bundles, 245, 246. 



Amylase, 400. 



Anabaena, 9. 



Anabolism, 402. 



Vnacrogynae, 101 ; conclusions, 10?. 



Anaptychia, 80. 



Anatropous ovules, 261. 



Andreaeales, 114. 



Androspores, 30. 



Aneimia, sporangium, 137. 



Aneimites, 183. 



Aneura, 101. 



Angiosperms, 180, 238; classification, 276. 



Anisocarpic flowers, 281. 



Annual thickening, 346. 



Annular vessels, 2 / ,'. 



Annulus, mushrooms, 89; ferns, 155, 156. 

 157, 163, 164, 165, 352. 



Anther, 256. 



Antheridium, green algae, 27, 30, 31, 32, 36, 

 42, 43; Fucus, 50; Nemalion, 56; Poly- 

 siphonia, so; fungi, 64, 66, 73, 75, 78; 

 liverworts, 92, Q4, 93, 99, 102, 104, 103, 

 106, 107 ; mosses, 112, 115, 117; lycopods, 

 127, 120, 133, 140; equisetums, 148; 

 ophioglossums, 154; ferns, 166, 167; 

 water ferns, 174, 175, 178. 



Antherozoid, 17, 56. 



Anthoceros, 106, 107, 108, ioq. 



Anthocerotales, 100; conclusions, 109. 



Antipodal cells, 265. 



Apical cell, 42, 46, 98. 



Aplanospores, 34. 



Aplastic products, 412. 



Apocarpous flowers, 279. 



Apogamy, Urns, 169; angiosperms, 275. 



Apogeotropism, 460. 



Apophysis, 119, 120. 



Apospory, ferns, 169. 



Apostrophe, 450. 



Apothecium, 71, 72, 78, 79, 80. 



Araks, 277. 



Araucarineae, 220. 



Archegonium, 92; liverworts, 94, 06, 09, 

 103, 104, 107; mosses, 112, r/j, 115, • • 7 . 

 1X8; lycopods. 128, ;,•«', [36, / 37, 140; 

 equisetums, [48; ophioglossums, 153, 



131; ferns, 107, 168; water ferns, 175, 

 I7q; gymnosperms, 197, ig8, IffQ, 205, 

 210, 211. 214, J/5, 216, 223, 233; complex, 

 223 ; jacket, 198. 



Archicarp, 79. 



Archichlamydeae, 239; classification, 278. 



Arthrospores, g. 



