INDEX 



733 



Integuments, 472 



Intercalary growth, 257 



Intercellular spaces, 97, 98, 244 



Interfascicular cambium, 129 



Internal, development of organs, 248, 260 ; 



hairs, 116; morphology, 52 ; structure, 



the phylogeny of, 152 

 Internodes, 22 

 Intine, 475 



Intramolecular respiration, 241 

 Intussusception, 254 

 Introrse anthers, 503 

 I/nitit, 686 

 Inuleae, 686 

 Inulin, 80 



Iodine, in plants, 187, 373 ; reaction, *218 

 Ipecacuanha, 673 

 Ipomfya, 657 

 Iriartec, root hairs, 49 

 Iridaceae, 543 ; diagram, *40, *41 

 Iris, 543, *545 ; root, *120 

 Iron, bacteria, 243, 335 ; in plants, 187, 



188, 190 



Irritability, 4, 174, 273 

 Isatin, 226 

 Isatis, 591 

 Isoetaceae, 464 



Isoetes, *464, *465 ; desiccation, 195 

 Isogamous fertilisation, 331 

 Isosmotic coefficients, 180 

 Ivy, Hedera 



Jaborandi folia, 614 



Jalapa, 657 



Jambosa, 633 



Jasioae, 677 



Jasmiintm, 649 



Jatrorrhiza, 580, *582 



Juglandaceae, 554 



Juglandiflorae, 554 



Juglans, *516, *554, 555 



Juncaceae, 538 



Juneu>.'inaceae, 524 



.In in- us, *536, 538 



Juugermanniaceae, 429 



Juiiijjerus, *492, *493 ; vascular system, 



123, *124 

 Juvenile form, 163 



Kalmia, *313 

 K'luili'lni seedling, *321 

 Karyokinesis, 81 

 Kickxia, 651 

 Kino, 609 

 Kinoplasm, 59, 88 

 Kh'iitM Hrtiri'lata, 213 

 Klitiostat, 256 

 Knautia, 680 

 Knots, 144 

 Krameria, *604, 605 

 Krameriae radix, 605 



Labiatae, 659 



Labiatiflorae, 682 



Laboulbeuiaceae, 388, *398 



Laburnum adami, *317 



Lachnea, *392 



Lactarius, 412 



Lactuca, 682 ; scariola, 277 ; laticiferous 

 vessels, 94 



Lagenostoma, 509 



Lamina, 31 



Laminaria, *366 



Laminariaceae, 366 ; sieve -tubes, 110 ; 

 structure, 153 



Lamium, *657, 659 



Landolphia, 651 



Lantana, 659 



Lapartea, 566 



Lappa, *681, 682 



Larch, Larix 



Larix, *481, 496 ; short shoots, 21 



Latent buds, 23 



Lateral, geotropism, 281 ; roots, 47 



Latex, 73, 98, 227 : cells, *72 



Lathraea, 665 ; albumen crystals, 77 ; 

 exudation of water, 210 



Lathyrus, 609 ; stipules, 44 ; tendrils,'44, 

 45, *163 



Laticiferous vessels, 94, *96 



Laudatea, 420 



Lauraceae, 580 



Laurocerasi folia, 599 



Laurus, 582, *584 ; ethereal oil, 79 



Lavandula, 658, 660 



Lead in plants, 187 



Leaf, base, 31, 35 ; blade, 31 ; cushion, 

 33 ; development of, 30, 31 ; foliage, 

 32 ; forms of, 31 ; mechanical tissues 

 of, *184; rigidity of, *185 ; scars, 

 38, 150 ; sheath, 31, 35 ; stalk, 31 ; 

 symmetry of, *16 ; tendrils, 44 ; tip, 

 31 ; thorns, 45 ; traces, 123 ; vena- 

 tion, *207 



Leaves, arrangement of, 39 ; autumnal 

 changes, 62 ; fall of the, 150 ; of 

 mosses, 432 ; origin of, 160 ; reduc- 

 tion of, 213 ; secondary growth of, 

 145 ; structure of, 121 ; succulent, 

 213 



Ledmn, 646 



Legume, 519 



Leguminosae, 599 ; aluminium, 192 ; root 

 tubercles, 232 



Lemna, 536 ; chlorophyll grains, *268 ; 

 root pocket, 46 



Lemnaceae, 536 



Lentibulariaceae, 668 



Lenticels, *149, 244 



Leocarpus, *342 



Leontodon, flower head, *291 



Leontopodium, 686 



Lepidium, *588 



