INDEX 



The illustrations are indicated in brackets ; the scientific names 

 of plants are printed in italics. 



Absorption by cotyledons, 34. 



roots, 33, 48, 54-8. 

 Acacia, 147, (Fig. 96), 244. 



False (Robinia), 150, 151-2. 

 Acer, 303. 



Achene, 212, (Fig. 144). 

 Achillea, 380. 

 Aconitum, 236, 237. 

 Acorn, 212, (Fig. 143). 

 Actinomorphic, 173. 

 Adnation, 254. 

 Adventitious buds, 12 1-2. 



roots, 32, 128. 



shoots, 60-2. 

 Aeration of soil, 331, 335. 

 Aerial roots, 60. 

 Aesculus, 306. 

 Aethusa, 247, 378. 

 Agrimony, Hemp, 376. 

 Agropyron, 379, 383, 385. 

 Agrostis, 367. 

 Air-channels in : 



leaf, 100-1, (Fig. 62), 372, 

 (Fig. 243). 



moorland plants, 391, (Fig. 



255)- 



water-plants, 372. 

 Ajuga, 254. 

 Alae, 188, (Fig. 131). 

 Alder, 236, 286-8, (Fig. 189), 

 294, 348, 376. 



Berry-bearing, 353. 

 Alchemilla, 244, 378, 380. 

 Aleurone grains, 23. 

 Algae, 231, 382. 



Blue-green, 220. 

 Alkanet, Evergreen, 250. 

 Allium, 266. 

 Alnus, 286. 

 Aloe, 266. 



Alpine plants, 141, 397-8, (Fig. 



257)- 

 Alstroemeria, 267. 

 Amaryllidaceae, 266-7. 

 Amaryllis, 267. 

 Amphitropous, 208. 

 Anagattis, 250, 378. 

 Anatropous, 208. 

 Anchusa, 250. 

 Androecium, 16, 158. 

 Androphore, 241. 

 Androsace, 250. 



Anemone, Wood, 157, 164, (Fig. 

 no), 192,237,343,350,369. 

 Anemophilous, 205. 

 Angiosperms, 232, 264. 

 Animal-dispersed fruits, 224-6. 

 Aniseed, 247. 



Annual rings, 71, (Fig. 39). 

 Annuals, 124, 378, 379. 

 Ant-dispersed seeds, 226. 

 Anther, 6, 158, 205. 

 Anthoxanthum, 368. 

 Anthriscus, 380. 

 Anthyllis, 368. 

 Antirrhinum, 256. 

 Apium, 247. 

 Apocarpous, 164. 

 Apple, 119, 171, (Fig. 116), 210, 

 219, (Fig. 155), 242, 243 

 (Fig. 166), 244, 358. 

 Aquatic plants, 343, 370-5. 



aeration of, 372. 



buds of, 374. 



protection of, 373-4. 

 Aquatic roots, 60, 372. 

 Aquilegia, 236, 237. 

 Arabis, 238. 

 Arachis, 246. 

 Archangel, Yellow, 254. 



