GBNEBAL INDEX. 



501 



Horehound, 497 



Hornbeam, 477 



HorsecUestnut, 58, 144, 429, 537 



Horsemlnt, 498 



Horseradish, 63, 554 



Hottonia, 186 



Houseleek, 526 



Houstonia, 517 



Hoya, 61, 503 



Huckleberries, 511 



Hudsonia, 553 



Humiriacese, 543 



Humulus, 103, 488 



Hyacinth, 94, 103, 165, 460 



Hyaclnthus, 460 



Hyduum, 838, 330, 331 



Hydra, 50 



Hydrales, 473 



Hydrangea, 526 



Hydrocarbons, 63 



Hydrocharideae, 473 



Hydrodictyon, 65, 223 



Hydrogen, 175, 179 



Hydrophyllaceae, 502 



Hydrothyria, 309 



Hygroscopic Tissue, 157 



Hymenaea, 533 



Hymenium, 278, 286, 297, 323 



HymenophyllaceaB, 376 



Hymeuopliyllum, 376 



Hymenomycetes, 389, 333, 326, 338, 



339 

 Hyoscyamus, 502 

 Hypericacese, 549 

 Hypericum, 132, 433, 549 

 HyphsB, 194, 235 

 Hyphaene, 465 

 Hyphomycetes, 338 

 Hypnea, 277 

 Hypnese, 377 

 Hypnum, 360 



Hypocotyledonary Stem, 404 

 Hypoderma, 73, 134 

 Hypodermise, 338, 339 

 Hypogynous, 434 

 Hyponasty, 199 

 Hypophysis, 434 

 Hypoxylon, 394 

 Hyssop, 497 

 Hyssopus, 497 



Iberis, 441, 654 



Ice Crystals, formation of, 189 



Iceland Moss, 308 



Ice Plant, 530 



Ilex, 539 565 



Ilicineae, 539, 565 



Imbibation power of Protoplasm, 



5,168 

 Impatiens, 14, 61, 85, 88, 159, 165. 



193, 264, 431, 543 

 Incombustible substances, 35 

 Incomplete flower, 431 

 Incumbent cotyledons, 437 

 Indehiscent, 435 

 Indeterminate inflorescence, 438 

 Indian Corn, 53, 56, 57, 59, 63, 70, 



106, 113, 114, 131, 155, 157, 165, 



166, 187, 318, 833, 451, 455, 532 

 Indian Turnip, 61, 438 

 Indian Pipe, 511 

 India Rubber, 78, 485 

 Indigo, 533 

 Indigofera, 533 

 Individual development, 204 

 Indusium, 374 

 Inflorescence, 437 

 Innate Anthers, 433 

 Insect agency in Pollination, 431 

 Insects killed by parasitic plants, 



394 

 Integument of ovule, 401 

 Intercalarv growth, of cells, 22, 



140, 246 

 Intercellular canal, 114, 409 

 Intercellular spaces, 70, 99, 128, 



156, 167, 171, 197 

 Intercellular substance, 35, 68 

 Interfascicular cambium, 408 

 Intermediate tissue, 125 

 Internal cell-formation, 36, 39 

 Internal structure of Leaves, 155 

 lutine, 34 



Intrafascicular Canal, 111 

 Introrse anthers, 433 

 Intussusception, 31, 54 

 Inula, 63, 516 

 Inulin. 63, 180 

 Inuloideae, 515 

 lonidium, 551 

 Ipecacuanha, 517, 551 

 Ipomosa, 14, 53, 70, 503 

 Iridaceae, 468 

 Iris, 61, 103, 157. 158, 468 

 Iris Family, 468 

 Irish Moss, 377 

 Iron, 175 

 Iron Bark Tree, 534 



