INDEX 



42; 



" Finger and Toe" disease (Plas- 

 modiophora brassicce), 143, 251, 



254 (fig.)- 

 Fir Clubmoss (Lycopod'mm sclago), 



314. 



Fir, Douglas (Pseudolsuga doiig- 

 lasii), 128, 129, 352 (fig.), 353; 

 Scotcli — {Piniis sylvestris), 37, 

 141. 152, 166, 334 <?Z seq. (figs.); 

 Silver —(.4 6/fs), 335, 336 (fig.), 

 344, 347; Spruce — (Picca 

 cxcelsn). 63, 334, 335 (fig.). 



Fixation of nitrogen, 266, 267. 



Flagellata, 406. 



Flax (Linum usitalissimiim), 34, 

 265 ; New Zealand — (Phor- 

 mium tenax). 34. 



Fleshy roots, structure of. 132, 133, 



154, 155 (fig.)- 

 Flexibility (of petiole), 115. 

 Floating Alga? (Plankton), 192, 193 



(fig.). 207, 210. 

 Floating leaves, structure of, loi, 



174. 177. 

 Floating Pondweed {Potamogeton 

 nata)is), stem-structure of, 172, 



174 (fig)- 



Floral axis, 354, 355, 370; — nec- 

 taries, 144, 148, 149, 363. 



Flowering Plants. See Angiosperms. 



Flowering Rush. (Bittomus), 356. 



Flowers, 354-6, 373 ; cleisto- 

 gamic, 364 ; colour of, 63 ; 

 detachment of, 142 ; nectaries 

 of, 144, 148, 149, 363 : odour 

 of. 62 ; zygomorphic, 355, 



373- 

 Flowers of tan {Fiiligo), 251. 

 Flowing water, plants of, 19,5, 197. 

 Fly-disease (Empnsa nuisccB), 231, 



238- 

 Fly Toadstool (Amanita muscaria), 



-55- 

 Focusing under the microscope, 



400. 



Foliose Liverworts (Jungerman- 

 niales), 271 ; antheridia of, 

 279 ; archegonia of, 280 ; pro- 

 tonema of, 288 ; sporogonia of, 

 271 (fig-), 282 ; structure of, 

 271 (fig.), 272 ; vegetative 

 reproduction of, 277. 



Food-content of plant-products, 53. 



Food-plants, 43. 44, 45, 48, 49, 

 52, 53, 60, 203, 204, 255. 261, 



323. 352- 

 Food-reserves, 40-52. 242, 319 ; 

 accumulation of, 13 ; in seeds, 



40. 44. 45, 47- 4'J, 50. 52, 33; 

 351 ; in storage-organs othe 

 than seeds, 44, 45, 50 ; nitre 

 genous, 50 ; storage of, 40. 6^ 

 88, 132 ; translocation of, t 



41, 46, 52, 124, 132, 382. 

 Food-storage, 13 ; in Fungi, 231 



in Liverworts, 273; in oospores 



223 ; in roots, 132 ; in seed; 



40. 44. 45, 47. 49. 50, 5- 



333. 351 ; in spores, 319, 321 



in zygospores, 185. 

 Foot, 282, 370 ; of Ferns, 302 ; c 



Liverworts, 282, 283 (fig.) ; c 



Mosses, 284, 285 (fig.) ; c 



Selaginella^ 320 (fig.). 

 Forests, distribution of, 334, 391. 

 Forget-me-not (Myosotis), 102 



— mildew (Oidium), 243. 

 Forked branching of, Algse, 200, 20 



(fig.) ; Ferns, 290 ; Lvcopc 



diiim, 315 ; Mosses, 269, 275 



Selagiuella, 315. 

 Forked venation, 292, 322. 

 Fossil plants, 310, 312 (fig.), 31; 



314 (fig), 319, 322, 327-3 



(figs-), 334. 340, 356, 394. 40; 

 Foxglove (Digitalis), 48, 363. 

 Fragmentation, in Algs, 212, 21 



(fig.), 216; in Bryophyta, 27; 

 Fraxinus excelsior, 120, 122, iii 



129. 

 Free central placenta, 356; — m: 

 clear division, 245, 319, 368. 

 Fronds of. Brown Alga2, 199-20 



(figs.) : Ferns, 289-91 (fig. 



297 (fig). 304 (fig-), 305 (fig-^ 



308 (fig.), 309 (fig.). 

 Fructose (fruit-sugar), 45, 46, 5; 



55 ; reactions of, 47. 

 Fruit-bodies of, Ascomycetes, 23 



(fig), 240 (fig.), 242, 243 (fig. 



244 (fig.) ; Basidiomycete: 



248, 249 (fig.), 250 (fig.), 25 



(fig 

 260. 



Lichens 



58 (fig.: 



Fruits, 31, 33, 46, 61, 63, 93, 10; 

 370 ; unripe, 60. 



Frnllania taniarisciiii, 272 (fig.). 



Fuchsia, hydathodes of, 146 ; lea: 

 structure of, 107-10 (figs.). 



F'liciis, conceptacles of. 201 (fig. 

 202, 224, 225 (fig.) ; habita 

 of, 200 (fig.), 203 ; sexu; 

 reproduction of, 220, 221 (fig. 

 224-6 (fig.), 307 ; thallusof,2oo 

 202 (figs.), 225 (fig.) ; veget£ 

 tive reproduction of, 216. 



