394 
Hysteriales, 218, 343 
Hysterium, 343 
Hysterographium, 218, 343 
Hysterophytes, 88 
I 
Icacinaceae, 371 
Immunity to diseases, 137 
Impatiens, 363 
Imperfect Fungi, 347 
Imperfecti (Fungi), 213 
Increased parental care, 110 
Indian Corn, :298 
Smut, 236 
Pipes, 321 
Indusium, 273 
Inferior ovary, 298 
Influenza bacteria, 169 
Inheritable variations, 113 
Inorganic Acids, 139 
Salts, 139 
Inula, 376 
Inulaceae, 375 
Inulin, 18, 147 
Insect Fungi, 191 
Insectivorous Plants, 362 
Integument, 273 
Intercellular spaces, 65 
Interzones, 180 
Invertase, 152 
Involucre, 311, 312 
Ipomoea, 366 
Iridaceae, 360 
Iridales, 298, 360 
Iris, 299, 360 
Irish Moss, 208 
Ironweeds, 376 
Irpex, 346 
Irregular flowers, 303, 322 
Isaria, 348 
Isobutyl, 142 
carbinol, 142 
Isobutyric acid, 140 
Isoetaceae, 352 
Isoetales, 258, 352 
Isoetes, 260, 352 
Isogametes, 171 
Isogamous, 110 
Isospores, 255 
Ithyphallus, 345 
INDEX 
Jambosa, 370 
Jasminum, 366 
Jelly Fungi, 230, 346 
Jelly Lichens, 216 
Jerusalem Artichoke, 320. 
Joint-firs, 275, 355 
Juglandaceae, 372 
Juglans, 310, 372 
Julianaceae, 372 
Juncaceae, 358 
Juncus, 358 
Jungermannia, 247 
Jungermanniaceae, 247, 349 
Jungermanniales, 247, 349 
Juniperaceae, 282, 356 
Junipers, 282 
Juniperus, 356 
K 
Kalmia, 365 
Karyokinesis, 20 
Keel, 308 
Kelps, 200, 336 
Kernel (of grass), 298 
Key to families of Asterales, 374 
to the Phyla, 328 
Kinoplasm, 22 
Klinostat, 131 
Knot-grass, 326 
Koeberliniaceae, 364 
Koelreuteria, 371 
Kuhnia, 376 
L 
Laboratory suggestions, 8 
Laboulbenia, 339 
Laboulbeniaceae, 339 
Laboulbeniales, 339 
Lachnea, 342 
Lacinaria, 376 
Lacistemaceae, 361 
Lactic acid, 141 
Lactoridaceae, 361 
Lactose, 146 
Lactuca, 315, 377 
Lactucaceae, 377 
Lady’s Slipper, 301 
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