INDEX. 



The figures in large type refer to illustrations. 



A. 



Abies, 321, 351, 465, 493. 



— cephalonica, 504. 



— excelsn, 504. 



— pectinata, 146, 505. 



44,449,758. 



Abnormal growing points, 



468. 



Abnormal growth in thick- 

 ness, 169. 



Abnormal growth due to 

 parasites, &c., 368, 537. 



Abnormal types of growth, 



425- 

 Absorbing organ of seedling, 



344. 

 Absorption by parasites, 372. 



— by roots, 253, 255. 



— by root-hairs, 257, 262. 



— by roots as affected by 

 temperature, 264. 



— in water plants, 248. 

 Absorption of endosperm, 



373- 



— of gases by leaves, 255. 



— of light in chlorophyll, 



322. 



— of liquids, 210, 274. 



— of nitrogen, 292. 



— of nutritive materials by 

 roots, 246, 264, 287, 295. 



— of organic nutritive sub- 

 stances, 366, 374. 



— of organic substance, 298, 

 368. 



— of oxygen, 395, 398. 



— of Proteids by insecti- 

 vorous plants, 374. 



— of salts by soil, 260. 



— of water by soil, 259. 



— of water by roots, 246. 



— of water by leaves, 254. 

 Absorptive properties of 



soil, 261. 

 Acacia, 285, 593, 598. 



— lophantha, 594, 636, 637. 

 Acanthacex, 178. 

 Acceleration of growth, 554. 



Accessory cells, 119. 

 Acer platanoides, 180. 

 ■ — striatum, 166. 

 Acetabularia, 179, 335, 618, 

 776, 777. 



— mediterranea, 604, 

 Acetamide, 384. 

 Acetic acid, 328, 385. 



— fermentation, 386. 

 Achimenes grandis, 582. 

 Achlya, 98. 



Acid, acetic, 385. 



— butyric, 386. 



— carbonic, 386. 



— formic, 384. 



— lactic, 349, 386. 



— nitric, 385. 



— oxalic, 384. 



— phosphoric, 385. 



— salicylic, 385. 



— succinic, 348, 386. 



— tartaric, 385. 



Acids excreted by root- 

 hairs, 262. 



— fatty, 347. 



— vegetable organic, 328, 



329, 342, 384, 385, 403, 

 566. 



— vegetable, turgescence 



due to, 328, 403, 566. 

 Aconitum napellus, 24, 332. 

 Acorn, 397, 763. 

 Acorus, 144, 180. 



— calamus, 16, 135. 

 61. 



Acropetal development, 41 8, 

 468. 



— vegetative repetition, 467. 

 Action of ferments, 343, 349. 



— of parasites, 368, 537. 



— at a distance, 772. 



— of sexual cells on one 

 another, 767, 770. 



Active condition ofc plastic 



substances, 341. 

 Activity of respiration, 399. 



— of roots, 264. 

 Adaptation, 60 r. 

 Adiantum, 53. 



3 F 2 



Adiantum Capillus - Veneris, 



744, 771. 

 Adonis -vernalis, 641. 

 Adventitious buds, 478, 479. 



— embryos, 802. 



— growing-points, 477, 480. 



— roots, 477. 



— shoots, 475, 477, 478. 

 iEcidiomycetes, 370, 381. 

 yEcidium Elatinum, 369, 



537. 

 A^gilops, 7 So. 



— o'vata, 781. 

 ^gopodium podagraria, 58, 



703. 

 Aeration of roots in soil, 256. 

 Aerial roots, 12, 14, 23, 522, 



523, 660, 693, 704, 711. 

 ^sculus hippocastanum, 44. 

 ■ — macrostacbya, 399. 

 ^Ethalium septicum, 83, 345, 



614. 

 ^thylamine, 384. 

 After-effects, 560, 596, 597, 



626, 627, 629, 630, 635, 



638, 663. 

 Agapantbus, 92, 

 — • umhellatus, 118. 

 Agarics, 571, 700. 



— phosphorescent, 407. 

 Agaricus, 426, 427, 428. 



— campestris, 72. 



— Gardneri, 407. 



— igneus, 407. 



— melleus, 367, 388, 407. 



— noctilucens, 407. 



— oleareus, 407. 



— -variecolor, 427. 

 Agave, 116, 148. 



■ — americana, 270, 550. 

 Agrimonia eupatorium, 106. 

 Agrostemma Gitbago, 686. 

 Ailantbus, 425, 478. 



— glandulosa, 2 r . 

 161, 239. 



Air, composition of, 293. 



— in soil, 257. 



— in wood, 2 3 8, 267, 268, 

 269. 



