INDEX. 



Abies, 448, 452. 



Abietineae, 452, 460. 



Abortion, 198, 479, 563. 



Absorption of assimilated 

 substances, 642. 



Acalypheae, 583. 



Acanthaceae, 580. 



Accumulation of characters, 

 826. 



Acetabularia, 64, 226. 



Achenium, 538. 



Achillaea, 833. 



Achlya, 12, 13. 



Acorn, 536. 



Acrocarpous Mosses, 319. 



Acropetal order of develop- 

 ment, 149. 



Acrosticheas, 361. 



Actinostrobeae, 460. 



Acyclic, 523, 565. 



Adaptation, 835. 



Adhesion, 198, 479. 



Adiantum, 161,343, 344, 345. 



Adventitious formations, 150, 



152, 35I5 563- 

 Aecidium, 241, 246. 

 Aesculineae, 582. 

 Aesculus, 567. 

 Aethalium, 276, 760. 

 Agaricus, 249. 

 Aggregatae, 581. 

 Aggregates of cells, 68. 

 Akebia, 467. 

 Albumen, 428. 

 Albuminoids, 629. 

 Albuminous, 513. 

 Aleurone, 51, 

 Algae, 208. 

 Alisma, 514, 549. 

 Alismaceae, 549, 554. 

 Allium, 17, 112, 546, 547. 

 Almond, 560. 

 Aloe, 171, 552. 

 Alpinia, 548. 

 Alsineae, 583. 

 Alternate arrangement, 168, 



524. 

 Alternation of generations, 



202, 421, 805. 



Althaea, 43, 86, 478, 483. 



Amaranthaceae, 569, 583. 



Amentiferae, 578. 



Amoeba-movement of proto- 

 plasm, 39, 276. 



Amorphophallus, 162. 



Ampelideae, 568, 582. 



Ampelopsis, 781, 839. 



Amphigastria, 306. 



Amygdaleae, 585. 



Amygdalus, 560. 



Amyrideae, 582. 



Anacardiaceae, 567, 582. 



Anagaliis, 496. 



Ananasineae, 555. 



Anaptychia, 267, 270. 



Anatropous, 427, 501. 



Andreaea, 322. 



Andreaeaceae, 329. 



Androecium, 426, 473. 



Androspore, 229. 



Aneimia, 89. 



Anemophilous, 810. 



Aneura, 296. 



Angiocarpous Lichens, 268. 



Angiosperms, 466. 



Angleof divergence, 167, 181. 



Anisocarpae, 580. 



Anisostemonous, 565. 



Annonaceae, 579. 



Annual ring, 574. 



Annular vessels, 23. 



Annulus, 330, 356. 



Anterior, 523. 



Anthela, 521. 



Anther, 427, 475. 



Anther-lobes, 473. 



Antheridium, 212, 258, 299, 

 321, 342, 363, 803. 



Antherozoid, 203, 336, 384, 

 803. 



Anthoceros, 302, 303. 



Anthoceroteae, 302. 



Antipodal cells, 507. 



Apetalous, 565. 



Apex, 155, 182. 



Aphanocyclae, 579. 



Apical cell, 118, 153, 348, 424. 



Apical growth, 137, 410. 



31 



Apocynaceae, 112, 580. 



Apopetalous, 471. 



Apophyllous, 471. 



Apophysis, 334. 



Aposepalous, 471. 



Apostasiaceae, 556. 



Apostrophe, 672. 



Apothecium, 268. 



Apple, 537. 



Aquifoliaceae, 582. 



Aquilegia, 500, 567. 



Araliaceae, 584. 



Araucarieae, 460. 



Arbutus, 475. 



Arc-indicator, 746. 



Archegonium, 203, 336, 434. 



Archetype, 843. 



Archidium, 330. 



Arcyria, 275. 



Aril, 428, 501. 



Aristolochia, 812. 



Aristolochiaceae, 578. 



Aroideae, 112, 549, 554, 646. 



Arrangement of leaves, 173. 



Artocarpeae, 578. 



Asarineae, 578. 



Asarum, 468. 



Asclepiadeae, 112, 580. 



Ascobolus, 262. 



Ascogonium, 257, 803. 



Ascomycetes, 254. 



Ascophorous hyphae, 269. 



Ascospore, 240, 254, 258. 



Ascus, 240, 258. 



Asexual generation, 203, 336, 

 423, 432, 805. 



Asexual reproductive cells, 

 203. 



Ashes, 36, 618. 



Asparagin, 640. 



Aspergillus, 257. 



Aspidieae, 361. 



Aspidium, 351, 357, 359- 



Asplenieae, 361. 



Asplenium, 123, 151, 358. 



Assimilation, 626, 651, 666. 



Aurantiaceae, 569, 582. 



Automatic periodic move- 

 ments, 784, 801. 



