INDEX 



429 



oil-secreting, 105 (fig.), 151-3 

 (fig.) ; sugar-secreting. 148, 149 

 (fig.) ; water-secreting (hyda- 

 thodes), 144-8 (figs.). 



Glandular cells, 148, 149 (fig.). 



Glandular hairs, 105 (fig.), 106 298 

 (fig.), 299 (fig.), ;,28. 



Gleichenia, 294, 295, 310. 



Globe animalcule (V'olvox), i8g 

 (fig,), 190. 



Globoid (of aleurone grains) 51 



(fig.). 



Glceocapsa, 205, 206 (fig.). 



Glucose, 45, 46, 48, 53, 55, 63 ; 

 osmotic pressure of, 1 1 ; re- 

 actions of, 47. 



Glucosides, 48, 63, 64 ; hydrolysis 

 of. 48, 53- 



Glutamin, 50. 



Glycerine, 49, 53. 



Glycerine jelly, use of, 405. 



Glycine, 49. 



Glycogen, 231, 255, 262 ; reactions 

 of. 231. 



Gnaphaliiim iiliginosuin, 375 (fig.). 



Gonidia of, Claviceps purpurea, 

 241 (fig.), 242 ; Cystopus, 232, 

 233 (fig.) ; Erysiphaceas, 243, 

 244 (fig.) ; Eurotium [Asper- 

 gillus), 243 (fig.) ; Penicillium, 

 243 (fig.) ; Phytophthora, 234, 

 235 (fig.) ; Pythium, 234, 235 

 (fig.), 236 ; Rust-Fungi, 247. 



Gonidiophore, 243 (fig.). 



Gonium, 189, 191 (fig.). 



Gooseberry (Ribes grussularia), 31 ; 

 — Mildew (Sphaerotheca niors- 

 uvce), 230, 242. 



Goosegrass (Galium aparine), hairs 

 of, 104. 



Goosefoot, Silver (Obione portula- 

 coides), hairs of, 94 (fig.) ; 

 secondary thickening of, 133. 



Gorse (Ulex), 167 ; epidermis of, 

 92, 160 (fig.). 



Gossypiuin, 49, 102. 



Gourd {Cucurbita pepo), pollen of, 

 362 (fig.). 



Graft-hybrids, 389. 



Grafting, 142, 389. 



Grain (of wood), 127. 



Gramineae, 39, 44, 80, 88, 117, 163, 

 354. 356, 408 ; diseases of, 

 241, 243, 245 ; grains of, 52 

 (fig.), 150 ; hydathodes of, 

 145 ; intercalary meristems of, 

 21 ; stomata of, 97 (fig.), 100, 



lOI. 



Graminin, 44. 



Grape (Vitis vinifcra), 60, 257; 

 — mildew [Plasmopora viticola), 



243- 

 Grape sugar. See Glucose. 

 Grasses. See Graminea;. 

 Grassland, distribution of. 391. 

 Grasswrack (Zoster a), pollen of, 



361 ; stem-structure of, 172. 

 Gravity, perception of, 75, 78. 

 Greater Celandine (Chelidonium 



majus), laticiferous vessels of, 



153, 154; ovule of, 358 (fig.). 

 Green Algje, 406. See Chlorophyceae. 

 " Green cells " of animals, 260. 

 Green manuring, 267. 

 Green stems, structure of, 88, 102 



(fig.), 167, 178, 310. 

 Ground Ivy (Nepela glechoma), 168 ; 



epidermis of, 94 (fig.). 

 Ground tissue, 65, 88 ; of aquatics, 



171 (fig.), 173 (fig.), 175 ; of 



leaf, 107-11 (figs.) ; of petiole, 

 114 ; of root, 65, 67 ; of stem. 



19-30. 33. 



76, 



338: 



secondary, 133. 134, 137. 



Growing point, 16-20 (figs.), 26, 

 89, 90; intercalary. 21 ; of 

 Alga;, 16 (fig,), 17 "(fig.), 195, 

 201 ; of Diciyoia, 17 (fig.) ; of 

 Equisetum, 18 (fig.) ; of Fern- 

 prothallus, 300, 301 (fig.) ; of 

 Ferns, 18, 291, 302 ; of leaf, 

 18 (fig.), 291 ; of Liverworts, 

 27'b, 272 ; of Mosses, 18, 276 

 288 ; of root, 18, 20 (fig.). 65 ; 

 of Sphacelaria, 16 (fig.), 17; 

 of stem, 18 (fig.). 19 (fig.) ; uni- 

 cellular, 16-18 (figs.). 



Growth, 16-20, 26, 31, 36, 40, 86 ; 

 of Algs, 195, 198, 199, 201 ; of 

 cells, 25, 26, 28, 29, 80, 93, 

 117, 153. 183. 191 ; of pollen 

 tubes, 350, 364, 365 ; second- 

 ary, iij et seq. 



Guaiacum officinale, 130. 



Guard cells, 96-101 (figs.) ; change 

 of shape of, 98-100 (fig.) ; 

 development of, 98 ; raised, 

 96 ; sunken, 96, 160. 



Guelder Rose (Viburnum opulus), 

 extrafloral nectaries of, 148. 



Gum arable, 39 ; — tragacanth, 39. 



Gums, 38, 39, 155. 



Gutta percha, 157. 



Gymnosperms. 180, 322-7 (figs.), 

 334-53 (figs.), 354, 355, 356, 

 362, 368, 370, 372, 373, 407. 



