564 



INDEX 



Hydrangea, 365, 543, 545 ; H. arborescens, 



Fig. 331. 



Hydrocharitaceae, 382, 383. 

 Hydrodictyaceae, 99, 100. 

 Hydrodictyon : H. utriculatum, 99, 101, 



Fig. 69. 



Hydrogen, 7, 38, 42, 476. 

 Hydrophilous flowers, 515. 

 Hydrophyllum, Hydrophyllaceae : H. ap- 



pendiculatum, 368,452, 453, Figs. 338, 



442. 



Hydropteridineae, 273, 282. 

 Hydrostachyaceae, 444. 

 Hydrotropism, 43. 

 Hydrurus, 67. 



Hygroscopic movements, 483. 

 Hymenium, 166, 181. 

 Hymenocallis, 390. 



Hymenomycetineae, 180, 181, 185; classi- 

 fication of, 181. 

 Hymenophyllaceae, 254, 258, 273, 277, 282, 



283, 284. 

 Hymenophyllum, 248, 250, 277, 278; H. 



recurvum, Fig. 244. 

 Hypenantron (see " Fimbriaria "). 

 Hypericaceae, 439. 

 Hypericum, 21, 438, 439; H. perfoliatum, 



Figs. 12, 432. 

 Hypha, 17, 150, 151, 487. 

 Hyphsene Thebaica, 376, 386. 

 Hypnum, 201, 240. 

 Hypocotyl, 401, 403. 

 Hypoderma, 57. 

 Hypogynous flowers, 364, 379. 

 Hypouasty, 486. 



Icacinaceae, 445 ; Icacinineae, 445. 

 Iceland-poppy (Papaver nudicaule) , 539. 

 Imbibition, 463, 4<i4. 

 Impatiens, 436, 437, 483, 512, 526 ; I. bal- 



samina, Fig. 478; I.fulva, Fig. 428. 

 Incense-cedar (see " Libocedrus"). 

 Inclusions of protoplast, 53. 

 Incrustation, 52. 



Indian-corn, 29, 174, 358, 363, 384, 385. 

 Indian-pipe (see also " Monotropa ") , 3, 7, 



26, 151,450. 



Indian-turnip (see also "Arisaema"),177. 

 India-rubber (Ficus elastica), 56, 420. 

 Indusium, 264. 

 Inflorescence, 26, 365. 

 Infusoria, 4, 39, 43, 68, 99, 509. 

 Insects, 7, 9, 26, 27, 348, 370, 516. 

 Integument of ovule, 324, 354, 359. 

 Internal cell-division, 64. 

 Intine, 264. 



Intra-molecular respiration, 481. 

 Intussusception, 52, 483. 



Inulin, 53. 



Invertase, 165. 



Iodine, 7, 38, 478. 



Ipomoea (see also " Morning-glory ") , 402, 



403: /. purpurea, Fig. 380. 

 Iridacese, 380, 390,391.' 

 Iris, 22, 58, 370, 374, 375, 376, 380, 391, 393, 



520, 522; /. Florentina, Figs. 311, 346; 



/. Germanica, 375 ; I. versicolor, Fig. 



490 ; /. xiphium, Figs. 347, 368. 

 Irish Moss (see "Chondrus"). 

 Iron, 7, 38, 77, 481, 478. 

 Iron-bacteria, 77, 481. 

 Irritability, 42, 461,483. 

 Iso-bilateral organs, 22. 

 Isocarpse, 448, 449. 

 Isoetaceae, 266. 

 Isoetes, 245, 315, 319, 322, 325, 329, 356, 371, 



381 ; I. Bolunderi, Fig. 282 ; I. echino- 



spora, Figs. 282, 285; I. lacustris, 245. 

 Isoetinae, 315, 319. 

 Isogamae, 107. 

 Isolated floras, 541. 

 Isolichenin, 190. 

 Isomalic acid, 474. 

 Isomeric compounds, 38. 

 Isthmia, 88, 89; I. nervosa, Fig. 63. 

 Ithyphallus, 185, 186 ; I. impudicus, Fig. 



151. 



Ivy. 22. 28, 363, 492, 504 ; Figs. 13, 20. 

 Ixia, 391. 



Jasmine, 452. 



Jeffersonia diphylla, 366, 367, 402, 543, 545, 



' Figs. 332, 378. 



Jewel-weed (see " Impatiens ") 

 Jonquil (see "Narcissus"). 

 Jubuloideae, 219. 

 Juglandaceae, 416. 

 Juglandales, 414, 416. 

 Juglans, 400, 416, 417, 537; J. regia, Fig. 



397. 



Juncaceae, 390. 

 Juncaginaceae, 383. 

 Jungermanniales, 203, 205, 211, 220. 

 Juniper, Juniperus, 178, 342, 343, 512. 

 Jurassic formations, 536. 



Kalmia, 449, 450, 522, 545; K. latifolia. 

 Fig. 438. 



Karyokinesis (see also " Mitosis ") , 60, 61, 



Karyoplasm , 35. 



Kaulfussia, 271. 



Kelp (see also " Phceosporeae "), 17. 20, 38, 

 59, 123, 124, 126, 129, 135,489; struc- 

 ture of, 124. 



Klinostat, 490, 530. 



Knot-grass (see " Polygonum"). 



