440 



INDEX. 



Geotropism (Ge-ot'ro-pism), 82, 



84 

 Geraniaceae (Ger-a-ni-a'ce-ae), 



272, 295, 297 

 Geum, dissemination of seed, 369 

 Gingko, 216, 218 

 Glacier (Greenland), 383 

 Glumiflorae (Glu-mi-flo'rae), 258, 



296 

 Gonidangium (Go nid-an'gi-um), 



121 

 Gonidiophores, 126, 127 

 Gonidium (pi. gonidia), 75, 76, 



121, 123, 126, 127 

 Gracillaria, 116, 118, 119 

 Gramineas, 258, 294, 296 

 Ground cherry, 285 

 Growth, 75-81 

 Gruinales, 272, 297 

 Guttation, 40, 41 

 Gymnosperms, 202-220; classi- 

 fication of, 219 ; comparative 



table of, 220 

 Gynandrous, 255 



Hamamelis, 414 



Haustoria (Haus-to'ri-a), of 



fungi, 323, 324 

 Heliotropism (He-li-ot'ro-pism), 



84, 85 

 Hepaticae, 140 

 Heterospory (Het-er-os'po-ry), 



origin of, 351-353 

 Hickory, opening buds, 415 

 Hieracium venosum, 292 

 Holdfasts, 93, 98, 115 

 Honeysuckle, 288 

 Horse-chestnut, 302, 303 

 Horsetails, 187-190 

 Houstonia ccerulea, 287 

 Huckleberry, 283 

 Hydnum, 337, 338 

 Hydrotropism (Hy-drot'ro-pism), 



90 

 Hypocotyl (Hy-po-cot yl), 307, 



308 

 Hyponastic (Hy-po-nas'tic, 86 

 Hyponasty (Hy-po-nas'ty), 86 



Impatiens fulva, 370 



Indian corn, osmose in cells of, 



16 

 Indian-pipe, 283 ; mycorhiza of, 



320 



Indian turnip, 311, 313; forma- 

 tion of flower, 349 



Indusium, 166, 170 



Inferior ovary, 255 



Insectivorous plants, go 



Integument, 209 



Irritability, 82-92 



Isoetes (I-so'e-tes), 196-199; hab- 

 itat of, 395 



Isopyrum biternatum, 270 



Jack-in-the-pulpit, 311, 313, 349, 



350 

 Jamin's chain, 48 

 Jungermannia (Jung-er-man'- 



ni-a), 156, 157 



Kalmia latifolia, 362, 413 

 Karyokinesis, 240-244 

 Kinetic energy, 67 

 Kinoplasm, 241 



Labiatae, 286, 295, 299 

 Lactuca canadensis, dissemina- 

 tion of seed, 370, 371 

 Lactuca scariola, dissemination 



of seed, 370, 371 ; parahelio- 



tropism, 88 

 Lamium amplexicaule, 286 

 Leaf, epidermis of, 37; structure 



of, 36-38 

 Leguminosae, 278, 298 

 Lemanea, 116 



Lemna trisulca, nutrition of, 314 

 Lepiota naucina, 335 

 Lettuce, prickly, dissemination 



of seed, 370, 371; wild, 370, 371 

 Leucoplasts, 68 

 Lichens, nutrition of, 316-318; 



soil formation by, 3S1, 384 

 Ligula, 291 



Liliaceae, 251-253, 294, 296 

 Linin, 240 



Linnaea borealis, 288, 289 

 Liquids, movement of in plants, 



42-48 

 Liverworts, 140 ; nutrition of, 



70-72 

 Lodicules, 259 

 Lonicera ciliata, 288 

 Lycopodium cernuum, 193 

 Lycopodium clavatum, 191, 192 

 Lycopodium lucidulum, 192 

 Lycopodium phlegmaria, 193 



