INDEX 



429 



Hound's-tongue, 250. 

 Humus, composition of, 322. 



organisms in, 323-5, 354-5- 



plant life in, 354-7. 

 Hyacinth, Wild, (see Bluebell), 



34. 137- 

 Hyacinthus, 266. 

 Hydrocharis, 60. 

 Hydrocotyle, 247. 

 Hydrophytes, 318. 

 Hydrotropism, 41-2. 

 Hygrophytes, 318. 

 Hyoscyamine, 254. 

 Hyoscyamus, 255. 

 Hyphae, fungal, 354-5- 

 Hypochaeris, 380, 385. 

 Hypocotyl, 28. 

 Hypogeal, 25, 28. 

 Hypogynous, 16, 168, 194. 



Indefinite, 164. 

 Inflorescence, 14-15. 

 Insectivorous plants, 361-6, 



(Figs. 232-4). 

 Insects, injurious, 163. 



as pollinators, 162. 



mouth-parts of , 162 (Fig. 108) 



useful, 162. 

 Introrse, 195. 



Iodine solution, 22, 23, 31. 

 Iridaceae, 267-8. 

 Iris, 128, 198, (Fig. 136), 203, 

 267-8, (Fig. 178), 370-1. 



Yellow, 353. 

 Invasion, 343-4, 374~5- (Figs. 

 237-8, 240-1). 



quarry tip, 128, 399. 



railway bank, 128. 



sand-dune, 127-8, (Figs. 80-1), 



383-7- 

 shingle beach, 388-9, (Fig. 



249). 

 water, 374-5- ( Fl gs- 237-41). 

 Involucre, 178. 

 Involute, 1 19. 



Ivy, 108, 116, 149, 225, 340, 

 341-3, (Fig. 222). 

 Ground, 254. 

 Ixia, 267. 



Jack-by-the-hedge, 343, 380. 

 John-go-to-bed-at-noon, 153. 

 Jonquil, 267. 



Judas-tree (Cercis), 245. 

 Juncus, 383. 

 Juvenile leaves, 29. 



Kale, 239. 



Keel, 188, 191. 



Kidney Bean, 25, (Fig. 10), 28, 



245, 246. 

 Klinostat, 38-9, (Fig. 18), j6, 



(Fig. 44). ' 

 Knapweed, 370, 380. 

 Knotgrass, 378. 

 Kohl-rabi, 238. 

 Krakatau, 219. 



Labellum, 198, 200.. 268. 

 Labiateae, 252-4, (Fig. 172). 

 Laburnum, 49, 121, 246, 301-3, 



(Fig. 201). 

 Lady's Fingers, 368, 370. 

 Lady's Mantle, 244. 380. 

 Lady's Smock, 142, 348, 370, 



376. 

 Laminaria, 381. 

 Lamium, 252-4, 379. 

 Lapageria, 266. 

 Lapsana, 379. 

 Larch (Larix), 222, 231, 233, 



274-6, (Fig. 184), 353. 

 Larkspur, 188, (Fig. 130), 192, 



237- 

 Lathraea, 359-60, (Fig. 229). 

 Lathyrus, 245-6, 380, 389. 

 Laurel, 93. 



Spurge, 349, 354. 

 Lavender (Lavendula), 252. 

 Leaf axil, 12. 

 Leaf -fall, 72-3, (Figs. 41-2), 108, 



113, 122. 

 Leaves, modified, 29, 147-52, 



(Figs. 92-9), 339-42, (Figs. 



219-22), 357-66, (Figs. 228- 



34), 392-6, (Figs. 253-6). 

 Leek, 141. 



Legume (see Pod), 216. 

 Leguminosae, 244-6, (Fig. 167). 

 Lemna, 60, (Fig. 26). 

 Lemon, 218-19. 

 Lenticels, 71-2, 281, 283, 286, 



292, 299, 304, 311. 

 Leontodon, 380. 

 Lettuce, Cos, 104. 

 Leucojum, 267. 



