INDEX 



Abies balsamifera, rust of, 280. 



Absorption, 33-36. 



Accessory fruits, 188, 195. 



Acer nigrum, 412. 



Acer saccharinum, 412. 



Acer saccharum, 412. 



Aceraceae, 412. 



Acorn, 189. 



Adansonia, 442. 



Adiantum concinnum, sperms of, 



336; embryo of, 338. 

 Adiantum cuneatum, egg case of, 



337- 



^cidia, 280-282. 

 ^cidiospores, 281, 289. 

 /Ecidium corruscans, 280. 

 /Ecidium esculentum, 280. 

 Aerial roots, 28, 40. 

 Aerobes, 114. 

 Aerobic respiration, 114. 

 Agar-agar, 243. 

 Agaricus campestris, 291-295. 

 Agave elongata, 405. 

 Aggregate fruits, 188, 192-194. 

 Air, purity of, 116. 

 Akene, 188, 202. 

 Albugo Candida, 258. 

 Albuminous seeds, 186, 385. 

 Aleurone, 14, 15, 18. 

 Alfalfa, 410. 



Alga-like fungi, 247, 301. 

 Algae, 211-243. 

 Algae, green, 212; blue green, 231; 



brown, 235; red, 239. 

 Almond, 192, 408. 

 Alpine grasses, 450. 

 Alpine shrubs, 450. 

 Alternation of generations, 315, 324. 

 Amanita caesarea, 292. 

 Amanita mappa, 295, 296. 

 Amanita muscaria, 291, 296. 

 Amanita phalloides, 295. 

 Amanita verna, 296. 

 Ament-bearing plants, 403. 



Ammonia, 120. 



Ammonia compounds, 119. 



Amoeba, 215. 



Ampelopsis quinquefolia, 41. 



Anabaena, 233. 



Anabolism, 106. 



Anaerobes, 113, 114, 138. 



Anaerobic respiration, 114. 



Ananas sativa, 400. 



Anemophilous flowers, 108, 171. 



Angiospermae, 210, 357, 375. 



Angiosperms, 207, 357, 375-39 1 - 



Angiosperms, review of characters, 



386. 



Animal diastase, 134. 

 Animal respiration, in. 

 Annuals, 37. 



Annulus of mushrooms. 293, 294. 

 Anther, 143; versatile, 146; introrse, 



146; incumbent, 146; adnate, 143; 



filament, 143; lobes, 150. 

 Antheridiophores, 306. 

 Antheridium, 222-228, 230, 237, 



238, 240, 255, 304, 319, 335, 379, 



380. 



Anthoceros, 3 I 3~3 I 5, 35 1 - 

 An thocero tales, 315. 

 Anthocerotes, 210, 314. 

 Antipodal cells, 382, 384. 

 Antitoxin, 137, 138. 

 Apogamy, 340. 

 Apospory, 340. 

 Apothecium, 262, 272. 

 Apple family, 406. 

 Apple leaf, 71. 

 Apple seed, n. 

 Apples, 407. 

 Apricots, 408. 



Aquatic plant societies, 454. 

 Arbutus, 415. 

 Arceuthobium, 128. 

 Archegoniophore, 309. 

 Archegonium, 304, 308, 310, 317, 



319, 335, 336, 380. 



479 



