INDEX. 



961 



MarohantiaceiB, deBoription, ii. 697. 

 Marine vegetation, limits, i. 387. 

 Marjoram, seeds and heat, 1. 655. 

 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 Cinquefoil. See Comarum pahistre. 

 Marali Crane's-bill. See Geranium palitstre. 

 Marsh gas, i. 453. 



Marsh-plants, 'adaptation to environment, i. 

 425. 



floating contrivances, i. 638. 



food-absorption, i. 75. 



roots, 1. 752. 



Marsilia, leaves and sporocarps, ii. 711. 

 Marsilia quadrifoUa, ii. 7JV0. 



^ leaf-movements, i. 339. 



stomata, i. 339. 



Martagon Lily, See Liliwm MaHagon. 

 Martynia, closing of stigma, ii. 281. 

 Masdevallia, ii. 738. 

 Mastic Tree. See Piatada Lentisctts. 

 Mastichouema, filaments, 1. 586. 



— symbiotic nature and habitat, i. 248. 

 Maternal stock, in hybridization, ii. 557. 

 Mat-grass, See Nardus striata. 

 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. 



^: 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 LUy. See Maianthemum bifoUum. 



Meadow-grass. See Poa. 



Meadow-rues. See Thalictrum. 



Meadow-saffron. See Colchicum autv/rrmale. 



Meadows of Central Alps and herbage, i, 451. 



Mechanical cells, nature of, i. 735. 



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, soria of, i. 468. 



— strengthening, i. 474. 



Medeola asparagoides, extra-axillaiy 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 me(ia, hybrid, colour of flowers, 

 ii. 567. 



■ hybrid, increase of fertility, ii. 579. 



Medicago radiata, booked fruit, ii. 873. 



Medicago scutellata, wind dispersal, ii. 848. 



Mediterranean flora, species with vamteh- 

 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. 



Megacarpsea 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 Goeppertiana and Vaccinium 



Vitis-Idraa, ii. 525. 

 Melampsora populina, on Populus leaves, i. 



256. 

 Melampyrum, parasitic, seedling, i. 176. 



— protection of pollen from wet, ii. 110. 

 Melampyrum arvense, 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 Violacese, ii. 386. 

 Melanoxylon decipiens, phyUode, i. 335. 

 Melastoma Malabathricum, ii. 783. 

 Melastomacese, 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-birdfl and pollen, ii. 247. 



— waxy coating, ii. 237. 

 Melianthus major, flower, ii. 227. 



flower and Sun-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-grass. See Melica. 



Meligethes eeneus, sheltering in Compositse, 



ii. 163. 

 Melilotus, insects and keel-movements, ii. 



252. 



— leaf, diurnal positions, i, 534. 

 Meliola, tropical Mildew, ii, 677. 

 Melissa officinalis, stamen, ii, 91. 

 Mehttis, 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 CiicwMta maxima. 

 Members, protected by spines, i, 433. 

 Membranous bark, i. 720. 



— scales, of Ferns, i, 355. 

 Menispermacese, leaf -stalk bundles, i. 649. 



— liane-like, 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. 



sence bf 



Merourialis, dioecious, ii, 300. 

 Mercurialis annua, parthenogenesis, ii. 465, 

 Merourialis perennis, downward pull of 

 roots, i. 767. 



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 pollen, ii. 118. 

 Mertensia maritima, Arctic, absence bf 



hairs, i. 316. 



Mertensia Sibirica, floral change of colour, 

 ii. 191. 



Merulius lacrymans, 1. 263. 



hymenium, &o., ii, 688. 



mode of growth, ii. 790. 



Mesembryanthemum, protection of pollen, 

 ii. 113. 



Mesembryanthemum annuum, seed-disper- 

 sal, ii. 845. 



Mesembryanthemum CandoUeanum, seed- 

 diapersal, 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 laboiu:, i. 594. 



— doctrine of, gives origin to scientiflc study 



of development, i. 13, 



— Goethe's explanation, i, 10. 



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



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



— views of Linnean school, i. 9. 

 Meteoric dust, nature of, i. 80. 

 Metrosideros, coloiured stamen-filaments, ii. 



183. 



— inflorescence, i. 738. 



— unprotected pollen, ii. 107. 



— venation, i. 630. 



Metzgeria, apical-cell, i. 578. r 



Meum, geitonogamy, ii. 324. 

 Meum MuteUina, hermaphrodite andpseudo- 

 hermaphrodite male flowers, ii. 296. 



scent, ii. 202. 



Mexican Cedar. See TaxRodmm. Mexicanum. 

 Mexico, hairiness of plants, i. 317, 



— high plains, Cacti, i. 327. 



— spiny plants, i. 438, 

 Mezereon. See Daplme Mezereum. 

 Miasmas, cause of, i. 506. 



Mica, difficult to decompose, i. 83. 

 Micellae, groups of molecules, i. 57. 



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

 Micrasterias morsa, ii. 492, 655. 

 Micrasterias papiUifera, ii. 492, 655. 

 Micrococcus aceti, fermentation, ii. 623. 

 Microooocus diphthericus, disease g6rm 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, plmned fruits, ii. 857- 

 Micropus, distribution of sexes, ii. 297. 

 Micropylar canmcle, 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 magniflcatidij, i. 571. 

 Microsomata, in cell division, i. 581. 



Ill 



