INDEX. 



Abies balsamifera, 309. 



Absorption, 39-42. 



Acaulescent, 49. 



Accessory, 53. 



Accessory fruits, 205, 212, 213. 



Acer nigrum, 442. 



Acer saccharinum, 442. 



Acer saccharum, 442. 



Aceraceae, 442. 



Acid phosphate, 126. 



Acorn, 207. 



Actinomorphic, 407. 



Adiantum concinnum, 368. 



Adiaritum cuneatum, 367. 



Adnate, 147, 156. 



Adventitious, 53, 75. 



^cidial stage, 319. 



/Ecidiolum, 316. 



^Eridiospores, 310, 312, 319. 



^cidium, 310, 311, 316, 320. 



jEddium corruscans, 309. 



^cidium esculentum, 309. 



Aerial roots, 33. 



Aerobes, 122. 



Aerobic respiration, 122. 



Agar-agar, 265. 



Agaricus campestris, 321, 323-32.5 



Agave elongata, 435. 



Aggregate fruits, 205, 209-212. 



Akene, 156, 204, 206. 



Albugo Candida, 285. 



Albumen, 20, 203. 



Albuminous, 203. 



Albuminous seeds, 203. 



Aleurone, 18, 20. 



Alfalfa, 440. 



Alga-like fungi, 274, 331. 



Alga3, 231-265. 



Alkaline soil, 459. 



Almond, 438. 



Alpine grasses, 480. 



Alpine shrubs, 480. 



Alternation of generations, 345, 354. 



Amanita, 325. 



Amanita coesarea, 322. 



Amanita mappa, 325, 326 



Amanita muscaria, 321, 326. 

 Amanita phalloides, 325. 

 Amanita verna, 326. 

 Ament, 433. 

 American elm, 435. 

 Ammonia, 127. 



Ammonia compounds, in, 131. 

 Ampelopsis quinquefolia, 47. 

 Anabasna, 255, 256. 

 Anabolism, 114. 

 Anaerobes, 121, 122, 268. 

 Anaerobic respiration, 122. 

 Ananas sativa, 431. 

 Anatropous, 200. 

 Andrcecium, 143. 

 Anemophilous, 183. 

 Angiospermae, 230, 405. 

 Angiosperms, 204, 225, 405-421. 

 Angiosperms, review of, 416. 

 Animal Kingdom, i. 

 Annual, 43. 

 Annual rings, 56, 66. 

 Annulus, 324, 361. 

 Antagonistic symbiosis, 132. 

 Anther sac, 144, 155. 

 Antheridiophores, 336. 

 Antheridium, 242, 244, 246, 247, 249, 

 251, 259, 262, 281, 284, 291, 335, 



337, 338, 349, 3 6 5> 375, 37 6 , 37^, 



391, 395, 400, 409. 

 Antherozoids, 365. 

 Anthoceros, 343, 345. 

 Anthoceros gracilis, 344. 

 Anthocerotales, 345. 

 Anthocerotes, 229, 343, 344. 

 Antipodal cells, 201, 412-414. 

 Antipodals, 412, 414. 

 Antitoxin, 269. 

 Apetalous flowers, 145. 

 Apogamy, 370. 

 Apospory, 370. 

 Apothecia, 300, 301. 



Apple 213 437- 

 Apple family, 436. 

 Apple leaf, 77, 78. 

 Apricots, 438. 



527 



