INDEX. 



961 



MarohantiaceBB, description, ii. 697. 

 Marine vegetation, limits, i. 387. 

 Marjoram, seeds and hea,t, 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. 

 Marah Oinquefoil. See Comarum paliistre. 

 Marah Orane's-biU. See Oeranium palustre. 

 Marsh gas, i. 453. 



Marsh-plants, adaptation to environment, i. 

 425. 



floating contrivances, i. 638. 



food-absorption, 1. 75. 



roots, i. 752. 



MarsUia, leaves and aporocarps, ii. 711. 

 Marsilia quadrif olia, ii. 710. 



leaf-movements, i. 339. 



stomata, i. 339. 



Martagon Lily. See Zilium Martagon. 

 Mai-tynia, closing of stigma, ii. 281. 

 Masdevallia, ii. 738. 

 Mastio Tree, See Pistacia Lentiscus. 

 Mastichonema, 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 chamomilla, 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. 



^Iscent, 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 Maianthemum bifolium. 



Meadow-grass. See Poa. 



Meadow-rues. See Tkalictrum. 



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 for- 

 tuity of, ii. 579. 



Medicago media, hybrid, colour of flowers, 

 ii. 567. 



hybrid, increase of fertility, ii, 579. 



Medicago radiata, hooked fruit, ii. 873. 



Medicago scutellata, wind dispersal, ii. 848. 



Mediterranean flora, species with 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 Germanica. 

 Medulla, i. 469. 

 MeduUory rays, i. 468. 



— sheath, i. 469. 



MegacarpEea laciniata, seed-dispersal, ii. 



853. 

 Megamete, of Chlamydomonas, ii. 630. 



— of Phyllobium, ii. 638. 

 Melaleuca, flower, ii. 292, 782. 



— hermaphrodite, ii. 296. 



— inflorescence, i. 738. 



— silky bark, i. 720, 



— unprotected pollen, ii. 107. 



— vertical leaf -blades, i, 336. 

 Melampsora Gceppertiana 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 arvenae, 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 ViolaccEe, ii. 386. 

 Melanoxylon decipiens, phyllode, i. 335, 

 Melastoma Malabathricum, ii. 783. 

 MelastomaceEe, explosive flowers, ii. 267. 



— pollen-sprinkling 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 Bun-birds, ii. 225, 



Melica, pollination, ii. 142. 

 Melica altissima, arched leaf, i, 429, 

 dichogamy, ii, 312. 



seed-dispersal, ii. 854. 



Melica Balansee, plumed glumes, ii. 858. 



Melic-graas. See Melica. 



Meligethes seneus, shelteriug in Composite, 



ii. 163. 

 Melilotus, insects and keel-movements, ii. 



252. 



— leaf, diurnal positions, i. 534, 

 Mehola, tropical Mildew, ii. 677. 

 Melissa officinalis, stamen, ii. 91. 

 Melittis, cotyledons, i. 608. 



— variability of floral colour, ii. 569. 

 Melliferous flowers, protection of nectar, ii. 



128. 

 Melocactus, and Wild Asses, i. 447. 



— spines, i. 446. 

 Melon and cold, i. 545. 



— seeds and heat, i. 555. 

 Melon-pumpkin. See Cucurhita maxima. 

 Members, protected by spines, i. 433. 

 Membranous hark, i. 720. 



— scales, of Ferns, i. 355. 

 Menispermacese, leaf-stalk bundles, i. 649. 



— hane-like, i. 670. 



Men^permura 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. 



Men tha 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-poUination, 



ii. 391. 

 Menziesia, pollen tetrads, ii. 97. 



Mercurialis, dioecious, ii. 300. 

 Mercurialis annua, parthenogenesis, ii. 465. 

 Mercurialis perennis, downward pull of 

 roots, i. 707. 



mixing of pollen, ii, 403. 



Mericarp, nature of, ii. 430. 



— of Erodium, 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 poUen, ii. 118. 

 Mertensia maritima, Arctic, absence of 



hairs, i. 316. 



Mertensia Sibirica, floral change of colour, 

 ii. 191. 



MeruHus lacrymans, i. 263. 



hymenium, Slc, ii. 688, 



mode of growth, ii. 790. 



Mesembry anthem um, protection of poUen, 

 ii. 113. 



Mesembryanthemum annuum, seed-disper- 

 sal, ii. 845. 



Mesembryanthemum Candolleanum, 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, difBcult to decompose, i. 83. 

 MicellEe, groups of molecules, i. 57. 



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

 Micrasterias morsa, ii. 492, 655. 

 Micrasterias papillif era, 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 Phyllobium, 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 Abietinese, ii. 438. 



— position in Cupressinese, 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 



