INDEX. 



961 



MarchantiacejB, description, ii. 697. 

 Marina vegetation, limits, i. 387. 

 Marjoram, seeds and heat, i. 555. 

 Marrubium, distribution of sexes, ii. 298. 



— hairiness, i, 317. 



— hybrids, ii. 585. 



Marrubium remotum, hybrid, ii. 563, 585. 

 Marrubium vulgare. hooked fruit, ii. 873. 

 Marsh Andromeda. See Andromeda poli- 



folia. 

 Marsh CinquefoU. See Comarum palustre. 

 Marsh Crane's-bill. See Geranium palustre. 

 Marsh gas, i. 453. 



Marsh-plants, adaptation to environment, i. 

 425. 



floating contrivances, i. 638. 



food-absorption, t 75. 



roots, i. 752. 



Marsilia, leaves and sporocarps, ii. 711. 

 Marsilia quadrifolia, ii. 710. 



leaf-movements, i, 339. 



stomata, i. 339. 



Martagon Lily. See Lilium Martagon. 

 Martynia, closing of stigma, ii. 28L 

 Masdevallia, ii. 738. 

 Mastic Tree. See Pistacia Lentiscus. 

 Mastichouema, filaments, i. 586. 



— symbiotic nature and habitat, i, 248. 

 Maternal stock, in hybridization, ii. 557. 

 Mat-grass. See Nardus stricta. 

 Matricaria, geitonogamy, ii. 322. 

 Matricaria chamomiUa, pericarp mucilage, 



i. 615. 



pollination and rachis. i. 740. 



Matter, decaying, in relation to life, i. 104. 



— living, hypotheses of formation, ii. 597. 

 Matthiola annua, nectaries, ii. 174. 



possible cause of doubling, ii. 554. 



;scent, ii. 201. 



Matthiola bicornis, fruit protection, ii. 442. 

 Matthiola incana, possible cause of doubling, 



ii. 554. 

 Matthiola tricuspidata, fruit protection, ii. 



442, 445. 

 Matthiola varia, scent, ii. 201. 

 May, "Eismanner", i. 539. 



— fall of temperature in, i, 539. 



May Lily. See Maiunthemum bi/olium. 



Meadow-grass. See Poa. 



Meadow-rues. See Thalictmm. 



Meadow-saffron. See Colchicum autumnale. 



Meadows of Central Alps and herbage, i. 451. 



Mechanical cells, nature of, i. 725. 



Mechanical changes effected by plants in the 

 ground, i. 265. 



Mechanical force, of growing organs, i. 514. 



of roots, ii. 515. 



Mechanical tissue, distribution of, i. 729, 

 730, 731. 



Mechanism, transition from water absorbing 

 to prey absorbing, i. 157. 



Mechanisms for conveyance, general con- 

 siderations, i. 467. 



— for protection against unwelcome guests, 



ii. 232. 



— of removal, sorts of, i. 468. 



— strengthening, i. 474. 



Medeola asparagoides, extra-axillary buds, 



ii. 28. 

 Medicago, explosive flowers, ii. 267. 



— hybrid flower colour, ii. 567. 



— leaf, diurnal positions, i. 534. 

 Medicago agrestis, hooked fruit, ii. 873. 

 Medicago falcata and M. sativa, colour of 



flowers and hybrid, ii. 567. 



and M. sativa, hybrid, increased fer- 

 tility of, ii. 579. 



Medicago media, hybrid, colour of flowers, 

 ii. 567. 



hybrid, increase of fertility, ii. 579. 



Medicago radiata, hooked fruit, ii. 873. 



Medicago scuteUata, wind dispersal, ii. 848. 



Mediterranean flora, species vrith varnish- 

 like coating on leaves, i. 312, 



— plants with evergreen rolled leaves, i. 306. 

 _ Thistles, i. 438. 



Medinilla, stamen, ii. 91. 

 VOL. II. 



Medlar. See Mespilus Oermanica, 

 Medulla, i. 469. 

 Medullary rays, i. 468. 



— sheath, i. 469. 



Megacarppea laciniata, seed-dispersal, ii. 



853. 

 Megagamete, of Chlamydomonas, formation 



of, ii. 630. 



— of Phyllobium, ii. 638. 

 Melaleuca, hermaphrodite, ii. 296. 



— inflorescence, i. 738. 



— silky bark, i. 720. 



— improtected pollen, ii. 107. 



— vertical leaf -blades, i. 336. 

 Melampsora Gceppertiaim and Vaccinium 



Vitis-Idsea, ii. 525. 

 Melampsora populina, on Populus leaves, i. 



256. 

 Melampyrum, parasitic, seedling, i. 176. 



— protection of pollen from wet, ii. 110. 

 Melampyrum arveose, colour-contrast in 



flower, ii. 191. 

 Melampyrum cristatum, bract colour, and 



locality, ii. 194. 

 Melampyrum grandiflorum, colour-contrast 



in flower, ii. 191. 

 Melampyrum nemorosum, colour-contrast in 



flower, ii. 191. 

 Melampyrum pratense, autogamy, ii. 253. 

 Melampyrum sylvaticum, autogamy, ii. 377. 

 Melanium, tribe of ViolaceEe, ii. 386. 

 Melanoxylon decipiens, phyllode, i. 335. 

 Melastoma Malabathricum, ii. 783. 

 MelastomaceEe, explosive flowers, ii. 267. 



— pollen-sprinkUng in, ii. 274, 



— soft bast, i. 469. 



— uniformity of venation, i. 635. 

 Melastomales, ii. 783. 



Melianthus, odour of floral secretion, ii. 171. 



— scent, ii. 200. 



— storing of honey, ii. 172. 



— Sun-birds and pollen, ii, 247. 



— waxy coating, ii. 237. 

 Melianthus major, flower, ii. 227. 



flower and Sun-birds, ii. 225. 



Melica, pollination, ii. 142. 



Mehca altissima, arched leaf, i. 429. 



dichogamy, ii. 312. 



seed-dispersal, ii. 854. 



Melica Balansse, plumed glumes, ii. 858. 



Melic-grass. See Melica. 



Meligethes seneus, sheltering in Compositse, 



ii. 163. 

 Melilotus, insects and keel-movements, ii. 



252. 



— leaf, diurnal positions, i. 534. 

 Meliola, tropical Mildew, ii. 677. 

 Mehssa officinalis, stamen, ii. 91- 

 Melittis, cotyledons, i. 608. 



— variability of floral colour, ii. 569. 

 Melliferous flowers, protection of nectar, ii. 



128. 

 Melocactug, and Wild Asses, i. 447- 



— spines, i. 446. 

 Melon and cold, i. 545. 



— seeds and heat, i. 555. 

 Melon-pumpkin. See Cucurbita maxima. 

 Members, protected by spines, i, 433. 

 Membranous bark, i. 720. 



— scales, of Ferns, i. 355. 

 MenispermaceEB, leaf -stalk bundles, i. 649. 



— liane-hke, i. 670. 



Menispermum Carolinianum, leaf-stalk 

 bundles, i. 649. 



stem, i. 364. 



Mentha, distribution of sexes, ii. 298. 



— hybrids, numerous, ii. 588. 

 Mentha alpigena, forms rings, ii. 793. 

 Mentha sylvestris, spikes and radiation, i. 530. 

 Menyanthes, autogamy, ii. 396. 



— dehiscence of pollen-sacs, ii. 93. 

 Menyanthes trifoliata, creeping stem, i. 662. 

 heterostyly, ii. 302. 



protogynous, ii. 310, 311. 



weather and self- and cross-pollination, 



ii. 391. 

 Menziesia, pollen tetrads, ii. 97. 



Mercurialis, dioecious, ii. 300. 

 Merourialis annua, parthenogenesis, ii. 465. 

 Mercurialis perennis, downward pull of 

 roots, i. 767. 



mixing of pollen, ii. 403. 



Mericarp, nature of, ii. 430. 



— of Erodinm, hygrometer, ii. 619. 

 Merismopedia, habitat, ii. 621. 

 Meristem, diversity of products, i. 583. 



— nature and activity, i. 582. 

 Mertensia, autogamy, ii. 396. 



— heterostyly, ii. 302. 



— protection of pollen, iL 118. 

 Mertensia maritima, Arctic, absence of 



hairs, i. 316. 



Mertensia Sibirica, floral change of colour, 

 ii. 191. 



Meruhus lacrymans, i. 263. 



hymenium, &o., iu 688, 



mode of growth, ii. 790. 



Mesembryanthemum, protection of poUen, 

 ii. 113. 



Mesembryanthemum annuum, seed-disper- 

 sal, ii. 845. 



Mesembryanthemum CandoUeanum, seed- 

 dispersal, ii. 845. 



Mesembryanthemum crystallinum, colour- 

 contrast of flower, ii. 189. 



resistance to drought, i. 329. 



Mesembryanthemum foliosum, aqueous tis- 

 sue, i. 328. 



Mesocarpus, chlorophyll plate, i. 373. 



— conjugation, ii. 658. 



Mesomycetes, distinctive characters, ii. 674. 

 Mesophyll, transpiring leaf-tissue, i. 278. 

 Metabolism, nature of, i. 455. 



— variety and constancy of products, i. 491. 

 Metamorphosis, and division of labour, i. 594. 



— doctrine of, gives origin to scientific study 



of development, i. 13. 



— Goethe's explanation, i. 10. 



— of flowers, due to gall-mites, ii. 548. 



— of leaf, contractions and expansions, i. 12, 



— views of Linnean school, i. 9. 

 Meteoric dust, nature of, i. 80. 

 Metrosideros, coloured stamen -filaments, ii, 



183, 



— inflorescence, i. 738. 



— unprotected pollen, ii. 107, 



— venation, i. 630. 

 Metzgeria, apical-cell, i. 578. 

 Meum, geitonogamy, ii, 324. 



Meum Mutellina, hermaphrodite andpseudo- 

 hermaphrodite male flowers, ii. 296. 



scent, ii. 202. 



Mexican Cedar. See Taxodium Mexicanum. 

 Mexico, hairiness of plants, i. 317. 



— high plains, Cacti, i. 327. 



— spiny plants, i. 438. 

 Mezereon. See Daphne Mezereum. 

 Miasmas, cause of, i. 506. 



Mica, diflScult to decompose, i. 83. 

 Micellse, groups of molecules, i. 57. 



— of cellulose, in cell-plate, i. 581. 

 Micrasterias morsa, ii. 492, 655. 

 Micrasterias papillifera, ii. 492, 655. 

 Micrococcus aceti, fermentation, ii. 623. 

 Micrococcus diphthericus, disease germ of 



diphtheria, i. 163. 

 Micrococcus prodigiosus, ii. 624. 



"blood-portent", ii. 623, 



Microcystis ichthyloba, home of, i. 105. 

 Microgamete, of Chlamydomonas, ii. 630. 



— of PhyUobium, ii. 638. 



Micromeria Kemeri, probable hybrid, ii. 592. 

 Micromeria nervosa, plumed fruits, ii. 857. 

 Micropus, distribution of sexes, ii. 297. 

 Micropylar caruncle, ii. 425. 



— scar, ii. 425. 

 Micropyle, of ovule, ii. 81. 

 and pollen-tube, ii. 410. 



— position in AbietincEe, ii. 438. 



— position in Cupressineee, ii. 439. 

 Microscope, effect on study of botany, i. 7. 



— first discoveries, i. 21. 



— limits of magnification, i. 571. 

 Microsomata, in cell division, i. 581. 



Ill 



