INDEX 



With Explanation of some Terms. 



Absorption system of 

 woods, 308. [142. 



Acacia, 108, no, 113, 



Acer, 98, 319. 



Achenes, dry non-split- 

 ting fruits, one free 

 carpel, one seed, 44. 



Achillea, 28, 330. 



Acids, 97, 104. 



Aconite, 13, 82, 105. 



Acuminate, drawn out 

 at tip, 138, 144. 



Aecidiomycetes, 230. 



Aegopodium, 69, 150. 



Aeration, 118, 123, 186, 



309, 315- [312. 



Agaricus, 211,227,310, 

 Age of trees, 169. 

 Agriculture, 327, 328. 

 Agrimony, 43, 53. 

 Alchemilla, 289, 298. 

 Alder, 155, 165, 286. 

 Alectoria, 244, 245. 

 Aleurone, small round- 

 ed proteid grains, j^. 

 Algae, 117, 148, 339. 

 Alkaloids, 97, 104. 

 Allium, 60, 65, 172. 

 Alpine plants, 296, 298, 



300, 302. 

 Amaryllidaceae, 105. 

 Ambronn, 173. 

 Amides, substances 



with C., H., O. and 



N., 131. 

 Ammophila, 192. 

 Anemone, 45, (.7, 75. 

 Angelica, 48, 312. 

 Annual rings, 163. 

 Antheridia, the organs 



containing the sper- 



matozoids, 255, 276, 

 Anthoc)'anin, 149, 152, 



155, 166. 

 Anthyllis, 118, 337. 

 Ants, 30, 54, 97, no, 



112, 127. 

 Aphides, in, 213. 

 Apothecium, the cup 



of some fungi, 241. 



Apple, 35, 41, 61, 92. 



Araceae, Arum, 16, 67, 

 106, 149, 166. 



Araucaria, 169, 285, 

 294, 295. 



Archegonium,255, 276. 



Arctic plants, 264, 296, 

 298, 300. 



Aril, supplementary 

 seed coat, 50, 52, 33. 



Armeria, 47, 53, 195. 



Ascent of water, 166. 



Asci, elongated fungus 

 spore cells, 212, 224. 



Ascomycetes, 212, 219, 

 228, 310. 



Ascospores, the spores 

 inside the asci, 



Asparagin, an amide 

 found in the aspara- 

 gus, etc. , 77. 



Asplcnium, 61, 270. 



Astragalus, 107, IC9. 



Auricles, basal expan- 

 sions, leaf, 143. 



Autumn colours, 155. 



Avena, 50, 53, 83, 332. 



Bacteria, 128, 200, 250, 



233, 309, 339- 

 Banana, 24, 41, 90. 

 Barberry, 14, 26, 108. 

 Bark flora, 306. 

 Bartholomew, 299. 

 Basidiomycetes, 227. 

 Bidens, 13, 44, 53. 

 Bees, 12, 13, 14, 15, 20. 

 Beech, 318, 321, 323. 

 Beetles, 93, 100, 309. 

 Begonia, 58, 62. 

 Belt, 100. 

 Bernacchi, 264. 

 Bignonia, 13, 48, 53. 

 Birch, 120, 155, 165, 



174, 266, 312, 315. 

 Bird's-nest fungus, 228. 

 Bishopsweed, 69, 150. 

 Blackman, 99. 

 Bladderwort, 57, 268. 

 Bluebells, 26, 312. 

 Bock, 49. 



347 



Boletus, 222, 223. 



Bonnier, 302. 



Bracken, 52, 63, in, 

 147, 270, 272. 



Bracts, modified leaves 

 below flower, 78, 81, 

 82 (Bracteoles, 9, 



87). 

 Bramble, 18, 29, 62, 



108, 312, 314. 

 Branching, 169. 

 Bronms, 69, 307. 

 Broom, 49, 53,314,315. 

 Brown, R., 54, 157. 

 Buckthorn, 31, 80. 

 Bud protection, 26, 27, 



87, 93, 148, 271, 289. 

 Bulb, bulbil, 60,67, 87. 

 Bullock, 209. 

 Bulrush, 46, 53. [143. 

 Burdock, 29, 43, 53, 

 Burrs, 42, 43, 44, 53. 

 Buttercup, 14, 27, 28, 



29. 33. 



Butterflies, 15, 19. 



Calcite, a mineral, 78. 



Calcium, 249. 



Calyptra (the hood 

 covering the capsule 

 of some mosses), 257. 



Cambium (thickening 

 ring of young cells), 

 92, 159, 160, 161, 171. 



Campion, 13, 14, 30, 



131, 147, 307, 312. 



Cancer, canker, 230. 



Capillitium (the thread- 

 like bodies found in 

 some fungi), 228, 234. 



Capitulum (the head 

 of flowers in Com- 

 positae). 



Capsules (a dry fruit 

 which opens to let 

 the seed escape), j'j. 



Capsules, moss, 256. 



Carbohydrate, 75. 



Carbon assimilation, 

 131, 141, 156, 157. 



Carex, 53, 80, 172. 



