GENERAL INDEX. 



501 



Horeliound, 497 



Hornbeam, 477 



Horseckestnut, 58, 144, 429, 537 



Horseniint, 498 



Horseradish, 63, 554 



Hotionia, 180 



Houseleek, 526 



Houstonia, 517 



Hoya, 61, 503 



Huckleberries, 511 



Hudsonia, 552 



Humiriacese, 543 



Huinulus, 103, 488 



Hyacinth, 94, 102, 165, 460 



Hyacinthus, 400 



Hyduum, 328, 330, 331 



Hydra, 50 



Hydrales, 473 



Hydrangea, 526 



Hydrocarbons, 63 



Hydrocliarideae, 473 



Hydrodictyon, 65, 223 



Hydrogen, 175, 179 



Hydrophyllaceae, 502 



Hydrothyria, 309 



Hygroscopic Tissue, 157 



Hymenaea, 533 



Hymenium, 278, 286, 297, 323 



Hymenophyllacete, 376 



Hymeuophyllum, 370 



Hymenomycetes, 289, 323, 326, 338, 



339 



Hyoscyamus, 502 

 Hypericaceae, 549 

 Hypericum, 132, 433, 549 

 Hyphae, 194, 235 

 Hyphaene, 465 

 Hyphomycetes, 338 

 Hypnea, 277 

 Hypneae, 277 

 Hypnum, 360 



Hypocotyledonary Stem, 404 

 Hypoderma, 72, 124 

 Hypodermiae, 338, 339 

 Hypogynous, 434 

 Hyponasty, 199 

 Hypophysis, 424 

 Hypoxylon, 294 

 Hyssop, 497 

 Hyssopus, 497 



Iberis, 441, 554 



Ice Crystals, formation of, 189 



Iceland Moss, 308 



Ice Plant, 520 



Ilex, 539 565 



Ilicineae, 539, 565 



Imbibatiou power of Protoplasm, 



5,168 

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



192, 264, 421, 542 

 Incombustible substances, 35 

 Incomplete flower, 431 

 Incumbent cotyledons, 437 

 Indehisceut, 435 

 Indeterminate inflorescence, 428 

 Indian Corn, 52, 56, 57, 59, 62, 70, 



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



166, 187, 318, 323, 451, 455, 522 

 Indian Turnip, 61, 428 

 Indian Pipe, oil 

 India Rubber, 78, 485 

 Indigo, 532 

 Indigofera, 532 

 Individual development, 204 

 Indusiuin, 374 

 Inflorescence, 427 

 Innate Anthers, 433 

 Insect agency in Pollination, 421 

 Insects killed by parasitic plants, 



294 



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 

 Intine, 34 



Intrafascicular Canal, 111 

 Introrse anthers, 4J53 

 Intussusception, 31, 54 

 Inula, 62, 516 

 Inulin. 62. 180 

 Inuloidese, 515 

 lonidium, 551 

 Ipecacuanha, 517, 551 

 Ipomoea, 14, 53, 70, 502 

 Iridacea?, 468 

 Iris, 61, 102, 157, 158, 468 

 Iris Family, 468 

 Irish Moss, 277 

 Iron, 175 

 Iron Bark Tree, 524 



