INDEX 



Abies, 338, 340, 341, 343. 



Abietineae, 332, 339, 340, 343. 



Abietinae, 336, 343. 



Absorption, of water, 467; of food, 499. 



Acacia, 22, 409, 434, 503, Fig. 471; A. 



sphserocephala, 527, Fig. 493. 

 Acanthaceae, 459. 

 Acauthineae, 459. 

 Accessory pigments, 49, 472. 

 Acer, Aceraceae, 436, 437, 449, 467, 537; 



A. saccharinum, Fig. 428; A. dasy- 



carpum, Fig. 428. 

 Acetabularia, 113, 115. 

 Achene, 368. 



Achlya, 154, 155; A. Americana, Fig. 119. 

 Aconitum, 425. 

 Acorn, 368. 

 Acorus, 388. 



Acrocarpous mosses, 240. 

 Acrogynae (Jungermanniales) , 212, 213, 



215, 219. 

 Actaea, 402. 



Actinomorphic flowers, 365. 

 Adaptation, 44. 

 Adder-tongue (see "Erythronium," 



" Ophioglossum ") . 

 Adenostoma, 549. 

 Adhesive fruits, 513. 

 Adiantum, 254, 257, 259, 260, 330; A. 



emarginatum, Figs. 219, 224, 225 ; A. 



pedatum, Fig. 218. 

 Adlumia, 429. 



Adventitious branching, 20, 21, 336. 

 ^Ecidiomycetes (see also " Rust "), 175. 

 jEcidiospore, 170. 

 jEcidium, 176, 179. 

 Aerating organs, 467. 

 Aerial roots, 29, 363, 377, 410, 468, 504. 

 Aerobic Bacteria, 77, 466, 473. 

 jEsculus, 436; ^E. Californica, PI. X.; 



^E. glabra, Fig. 428. 

 ^thalium : d. septicum, 39, 68, 70. 

 Agaricaceae, 181, 182, 184. 

 Agaricus: A. campestris, 181, 184, Fig. 



148. 



Agathis, 332, 338. 

 Agave, 362, 370, 376, 377, 380, 391, 502, 



527, 546 ; A. Americana, Fig. 347, PI. IX. 



Aglaonema, 389. 



Air-chambers (of Marchantiales) , 206, 



210. 



Air-plant (see " Epiphyte"). 

 Air-vesicles, 127, 131. 

 Ailanthus, 21, 

 Aizoaceae, 443. 



Akebia: A. quinata, 425, 485. 

 Akinete, 104. 

 Alaria, 127. 

 Albugo, 155-156, 157-158, 160, 168, 170; 



A. Bliti, Figs. 121, 122; A. Candida, 



Figs. 121, 122; A. Portulacse, 157; 



fertilization of, 157. 

 Albumen, 39; crystals, 54, 55. 

 Alcohol, 480, 481. 



Alcoholic fermentation, 150, 165, 169. 

 Aldrovanda, 509. 

 Alder, 417. 



Aleurone, 35, 38, 54, 55. 

 Alga, 4, 6, 7, 15, 16, 30, 39, 41, 42, 43, 46, 



64, 66, 67, 91, 92, 149, 151, 164, 187, 188, 



190, 194, 195, 361, 464, 474, 495, 509, 510, 



530, 539. 



Alga-fungi (see " Phycomycetes ") . 

 Alisma, Alismaceae, 379, 381, 536; Alis- 



macites, 536. 

 Alkaloid, 1, 480. 

 Allium:- A. Canadense, 353, Fig. 318; 



A. Cepa, 372, Figs. 342, 343, 344; 



A. Neapolitanum, 490, Fig. 461; 



A. odorum, 358. 

 Almond, 56. 

 Alnus, 417. 

 Aloe, 3(52, 502. 

 Alpine flowers, 542. 

 Alsophila, 280. 



Alternation of generations, 31, 195. 

 Althea, 438. 

 Amanita: A. phalloides, A. muscaria, 



185. 

 Amarantus, 155, 404, 422, 424; A. chloro- 



stachya, Fig. 388. 

 Amaryllis, Amaryllidaceae, 379, 380, 390, 



391, 396, 397. 

 Amblystegium, 227, 239; A. riparium, 



Fig. 189. 

 Amide, 478, 479. 



651 



