INDEX. 



961 



Marchantiacese, description, ii. 697. 

 Marine vegetation, limits, i. 387. 

 Marjoram, seeds and he3t, i. 555. 

 Marrubium, distribution of sexes, ii. 298. 



— hairiness, i. 317. 



— hybrids, ii. 5S5. 



Mamibium remotum, hybrid, ii. 563. 5S5. 

 Marrubium vulsare, hooked fniit, ii, 873. 

 Marsh Andromeda. See Andromeda poli- 



folia. 

 Marsh Cinquefoil. See Comarum palustre. 

 Marsh Crane's-bill. See Geranium paltistre. 

 Marsh gas, i. 453. 



Marsh-plants, adaptation to environment, i. 

 425. 



floating contrivances, i. 638. 



food-absorption, i, 75. 



roots, i. 752. 



Marsilia, leaves and sporocarps, it 711. 

 Marsilia qnadrifolia, ii. 710. 



leaf-movements, i, 339. 



stomata, i. 339. 



Martagon Lily. See Liliujii Martagon. 

 Martynia, closing of stigma, ii. 281. 

 Masdevallia, ii. 738. 

 Mastic Tree. See Pistacia Lentiscus. 

 Mastichonema, filamonts, i. 5S6. 



— symbiotic nature and habitat, i. 248. 

 Maternal stock, in hybridization, ii. 557. 

 Matr-grass. See Nardus stricUt. 

 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 bicomis, 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, "Eismaimer", i. 539. 



— fall of temperature in, i. 539. 



May Lily. See Maianthemum bi/olium. 



Meadow-grass. See Poa. 



Meadow-rues. See TkaHctrum. 



Meadow-saffron. See Colchicum autumnaJe. 



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 wat^r absorbing 

 to prey absorbing, i. 157. 



Mechanisms for conveyance, general con- 

 siderations, L 467. 



— for protection against unwelcome guests. 



ii. 232. 



— of removal, sorts of. i. 468. 



— strengthening, i. 474. 



Medeola asparagoides, extra-axillary buds, 



u. 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- 



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. IL 



Medlar. See Mespiliis Germanica. 

 Medulla, i. 469- 

 Medullary rays, i. 468. 



— sheath, i. 469. 



Megacarpcea 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 arvense, colour-contrast in 



flower, ii. 191. 

 Melampyrum cristatum, bract colour, and 



locality, ii. 1S4. 

 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, phyllode, i. 335. 

 Melastoma Malabathricum, ii. 783. 

 Melastomacese. explosive flowers, ii. 267. 



— pollen-sprinkling in, ii. 274. 



— soft bast, L 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. 

 MeUanthus major, flower, ii. 2?7. 



flower and Sun-birds, ii. 225. 



Melica, pollination, ii. 142. 



Melica altissima, arched leaf, i. 429. 



dichogamy, ii. 312. 



seed-dispersal, ii. 854. 



Melica Balansae, plumed glumes, ii. 858. 



Melic-grass. See Jlelica. 



Meligethes seneus, sheltering in Composite, 



U. 163. 

 MelUotus, insects and keel-movements, ii. 



252. 



— leaf, diurnal positions, i. 534. 

 Mehola, tropical Mildew, ii. 677. 

 Melissa officinalis, stamen, ii. 9L 

 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 Cucurbita maxima. 

 Members, protected by spines, i. 433. 

 Membranous bark. i. 720. 



— scales, of Ferns, i. 355. 

 Menispermaceie, leaf-stalk bundles, i. 649. 



— liane-hke, i. 670. 



Menispermum Carolinianmn, leaf-stalk 

 bundles, i. 649. 



stem, i. 364. 



Mentha, distribution of sexes, ii. 293. 



— 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. 

 Mercurialis annua, parthenogenesis, ii. 465. 

 Mercxu-ialis 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 poUeu, ii. 118. 

 Mertensia maritima, Arctic, absence of 



hairs, i. 316. 



Mertensia Sibirica, floral change of colour, 

 ii. 191. 



Meruhus lacrymans, i. 263. 



hymeoium, &c., ii, 688. 



mode of growth, ii. 790. 



Mesembryanthemum, protection of pollen, 

 u. 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 foUosum, aqueous tis- 

 sue, i. 328. 



Mesocarpus, chlorophyll plate, i. 373. 



— conjugation, ii. 658. 



Mesomycetes, distinctive chaxacters, 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 gaU-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. 



1S3. 



— inflorescence, i. 733. 



— 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 Mtzereum. 

 Miasmas, cause of. i. 506. 



Mica, difficult to decompose, i. 83. 

 Micellse, groups of molecules, i. 57. 



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

 Micrasterias morsa, ii. 492, 655. 

 fllicrasterias papillifera, ii. 492, 655. 

 Micrococcus aceti. fermentation, ii. 623. 

 Micrococcus diphthericus, disease germ of 



diphtheria, i. 163. 

 Micrococcus proJigiosus, ii. 624. 



"blood-portent", ii. 623. 



Microcystis ichtbyloba, home of, i. 105. 

 Microgamete, of Chlamydomonas, ii. 630. 



— of Phyllobium, ii. 638. 



Micromeria Kemeri, probable hybrid, ii. 592. 

 Micromeria nervosa, plum,ed fruits, ii. 857. 

 Micropus, distribution of sexes, ii. 297. 

 Micropylar caruncle, ii. 425. 



— scar, ii. 425. 

 Micropyle, of ovifle. ii. 81. 

 and pollen-tube, ii. 410. 



— position in Abietineie, ii. 438. 



— position in Cupressineje, 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 



