616 



BOTANY 



Gigastina, *335, 337 

 Ginger, 486 



Wild, Asarum 

 Gingko, 443 

 Gladiolus, 469 

 Glands, 99 

 Glandular hairs, *97 



scale, *97 



colleter, *98, 100 

 Gleba, 373 

 Glechoma, 587 

 Gleditschia, 559 ; buds, 19 ; thorns, 



*26 

 Globoids, 70, *71 

 Globulariaceae, 585 

 Gloeocapsa, 10, *11, 44, 147 

 Gloeotrichia, *307, 308 

 Glomerulus, 336 

 Gloxinia, 584 

 Glucose, 74, 203 

 Glumes, 478 

 Glumiflorae, 475 



Glutamin, 203 ; in the protoplasm, 54 

 Glycogen, 73 

 Glycyrrhiza, 562 

 Gnaphalium, 598 

 Gnetaceae, 434, 443 ; vessels, 85 

 Gnctinae, 443 



Gnetum, 443, 444 ; thickening, 137 

 Golden-rod, Solidago 

 Gongora, 489 

 Gonidia, Lichens, 377 

 Gonimoblast, 337 

 Gonolobus condurango, 576 

 Gooseberry, Ribes Grossularia 

 Goosefoot, Chcnopodium 

 Gossypium, 530, *531 ; seed-hairs, *96 

 Gracilaria, 337 

 Grafting, *228, 229 



Gram ineae, 478 ; growth, 21 ; haulms, 28, 

 31, 262 ; sheath, *31, 32 ; silica, 82, 

 175 ; epidermis, 90, 91 ; root, 152 ; 

 growth, 231 ; germination, 293 ; 

 attacked by fungi, 360, 366, 367 

 Grass, Arrow-, Triglochin 



Knot-, Polygonum 



Scurvy-, Oochlearia officinalis 



Viper's, Scorzonera hispanica 



Whitlow-, Draba 



-Wrack, Zostera 

 Grasses, see Gramineae 

 Gratiola, 583 



Gravity, effect of, on plants, 161, 255 

 Green Algae (see Ohlorophyceae) 

 Gromwell, Lithospervium 

 Ground-ivy, Glechoma 

 Groundsel, Senecio 

 Growing point, 148 



Growth, 223 sqq. ; periods of, 27, 230 ; 

 of cell-wall, 75, 78, 79 ; by intussus- 

 ception, 79, 231 ; independent, 159 ; 



external influences on, 235 ; curva- 

 tures, 248 



Gruinales, 531 



Guard-cells, 93 



Guava, Psidiuvi 



Guelder-rose, Viburnum 



Gum, 81 ; in intercellulars, 88 ; arabic, 

 88, 558 ; resins, 125, 206 ; traga- 

 canth, 562 



Gummosis, 81 



Gunncra, 111, 308 



Gutta-percha, 73, 206, 569 



Gutti, 525 



Gymnadenia, 489 



Gymnocladus, accessory shoots, 19 



Gymnodinium, 315 



Gymnogramme, 91 



Gymnospermae, 434 ; bundles, 103, 105, 

 114, 117 ; alternation of generations, 

 289 



Gymnosporangium, 367 



Gymnostomum, 239 



Gynandrae, 487 



Gyncecium, *428, *448, *451 



Gynophore, 525, 547 



Gynostemium, 487 



Habit of plants, 27, 237 

 Hadrome, see Tracheal portion 

 Hsematoxylin, 125 

 Haematoxylon, 124, 559 

 Haemodoraceae, 470 

 Hagenia, *552, 554, 556 

 Hair-bell, Campanula 

 Hairs, see Trichomes 

 Halimeda, 328 

 Haloragidaceae, 563 

 Hamamelidaceae, 552 

 Haplocaulescent, sec Uniaxial 

 Haplostemonous flowers, 453 

 Hart's-Tongue Fern, Scolopendrium 

 Haustoria, 43, *208 

 Hawkbit, Lcontodon 

 Hawk's-beard, Crepis 

 Hawkweed, Hieracium 

 Hazel-nut, Corylus 

 Heart's-ease, Viola 

 Heartwood, 124 



Heat produced by respiration, 220 

 Heath, Erica 



Hedera Helix, *545 ; wood, 1 29 

 Hedge-Hyssop, Gratiola 



-Mustard, Sisyiribrium 



-Nettle, Stachys 

 Hedysaroideae, 561 

 Hedysarum, 561 ; movement of leaves, 



236 

 Heliantheae, 598 

 Helianthemum, *523 

 Helianthus, 168, 598 ; tuberosus, 24 

 Helichrysum, 596, 598 



