INDEX. 



961 



Marchnutiacca\ doscriplion, ü. 697. 

 Marino vegetation, liniits, i. 3S7. 

 M:irjoram, seetti aiul heut, i. 555. 

 Marrubiuiu, distribution of sexes, ii. 298. 



— hairiness, i. 317. 



— hybrids, ii. 5S5. 



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

 M;irniliium vulgare, booked fruit, ii. 873. 

 Marsh Andromeda. Seo Amlrotntda puH- 



folia. 

 Marsh Cinquefoil. See Comarum palustre. 

 Marah Crauc's-hiU. See Geranium palu^tre. 

 Maräli gas. i. 453. 



Marsh-plants, adaptation to environmeut, i. 

 425. 



floating contrivances, i. 63S, 



food-al«orptiou, i. 75. 



roots, i. 752. 



Marsiho, leaves and sporocarps, ii. 711. 

 Marsilia quad^ifo)iE^ ü. 710. 



leaf-movements, i. 339. 



stomata, i. 339. 



Martagon Lily. See Lilium Martagon, 

 M^LTtynia, closing of stigma, ii. 28L 

 Masdevallia, ii. 738. 

 Mastic Tree. See Pistacia Lentiscus. 

 Mastichouema, Blamenta, t. 5S6. 



— 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. 



poUination and rachis, i. 740. 



Matter, decajiog, 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 incaua, possible cause of doubling, 



ii. 554. 

 Matthiola tricuspidata, fruit protection, ii. 



442. 445. 

 Matthiola varia, scent, ii. 201. 

 May, "Eismänner", i. 539. 



— fall of temperature in. i. 539. 



May Lily. See Maianttumum bifoliutn. 



Meadow-grass. See Poa. 



Meadow-rues. See Thatictrum. 



Meadow-saffron. See Colchicum autumnalc. 



Meadows of Central Alps and herbage, i. 451. 



Mechanical cells, nature of, i. 725. 



Mechanical changes effected by plants in the 

 ground, i. 205. 



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 butU, 



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. nativa, colour of 



flowers and hybrid, U. 567. 



and M. sativa, hybrid, increased fer- 

 tility o^ ii. 579. 



Medicago media, hybrid, colour of flowers, 

 U. 567. 



hybrid, increase of fertility, ii. 579. 



Medicago radiata, hooked fruit, ii. 873. 



Medicago scutellata. wind dinitersal, ü. 848. 



Mediterranean flora, siiecie» with vamisb- 

 like coating on leaves, i. 312. 



— plants with evergreen rolled leaves, i. 306. 



— Thistles, i. 438. 

 Mcdinilla. stamen, ii. 91. 



VOL. II. 



Medlar. See Mespilus Oermanica. 

 ML-iliilla. i. 469. 

 Mt'iluUary rays. i. 463. 



— sheath, i. 469. 



MegacArpffia laciniata, seed-disperaal. ii. 



853. 

 Megamete, of Chlamydomonas, ii. 630. 



— of Phyllobiuiii. 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 Gteppcrtiana and Vaocinium 



Vitis-Idica, ii. 525. 

 Melampsora populina, on Populus leaves, i. 



25t^ 

 Melampyrum, parasitic, seedling, i. 176. 



— protection of pollen from wet. ii. 110. 

 Melampyrum arvcuse, colour-contrast in 



flower, ii. 191. 

 Melampynim cristatum, bract colour, and 



locality, ii. 194. 

 Melampyrum grandiflorum, colour-contrast 



in flower, ii. 191. 

 Melampyrum uemorosum, colour-contrast in 



flower, ii. 191. 

 Melampyrum pratense, autogamy, ii. 253. 

 Melampyrum sylvaticum, autogamy, ii. 377. 

 Melanium. tribe of Violaceje, ii. 386. 

 Melanosylon decipiens, phyllode, i. 335. 

 Melastoma Malabathricum. ii. 783. 

 Melastomaceie. 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. 

 MeUauthus major, flower, ii. 227. 



flower and Sun-birds, ii. 225. 



MeUca, pollination, ii. 142. 



Melica altissima, arched leaf, i. 429. 



dichogamy, ii. 312. 



seed-dispersal, ii. 854. 



Mehca Balans*. 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. 

 Mehola, tropical Mildew, ii. 677. 

 Melissa officinalis, stamen, ii. 91. 

 Melittis. cotyledons, i. 608. 



— variability of floral coloiur, 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. 

 Menispermace:e, leaf-stalk bundles, i. 649. 



— liane-like, i. 670. 



Mcnispermum Carolinianum, leafstalk 

 bundles, i. 649. 



stem. i. 364. 



Mentha, distribution of sexes, ii. 298. 

 ~ hybrids, numerous, ii. 588. 

 Mentha alpigcna, forms rings, ii. 793. 

 Mentha sylvestris, spikes and radiation, i. 530. 

 MenyanthcB, autogamy, ii. 396. 



— dehiscence of polleu-sacs, ii. 93. 

 Menyanthes trifuliata. creeping stem. i. 662. 

 hctcrostyly. ii. 302. 



protogynouB. ii. 310. 311. 



weather and self- and cross-pollinatioo. 



ii. 391. 

 Menziesia, poUen tetrads, ii. 97. 



Morcurialia, dioecious, ii. 300. 

 Mercurialis annua, parthenogenesis, ii. 465. 

 Mercurialis pureniiis, downward pull of 

 roots, i, 767. 



mixing of pollen, ii. 403. 



Mericarp. nature of. ii. 430. 



— of Erodiuni, hygrometer, ii. 619. 

 Merisinopedia. habitat, ii. 621. 

 Meristem, diversity of products, i. 583. 



— nature and activity, i. 682. 

 Mertensia, autogamy, ü. 396. 



— heterostyly. ii. 302. 



— protection of pollen, ii. 118. 

 Mertensia maritima. Arctic, absence of 



hairs, i. 316. 



Mertensia Sibirica, floral change of colour, 

 ii. 191. 



Merulius lacrymans. i. 263. 



hymenium, Ac, ii. 688. 



mode of growth, ii. 790. 



Mesembryauthemum, protection of pollen, 

 ii. 113. 



Mesembryanthemum annuum, seed-disper- 

 sal, ii. 845. 



Mesembryanthemum CaudoUeanum, seed- 

 dispersal, ii. 845. 



Me.<(embryanthemum crj'.stallinum, colour- 

 contrast of flower, ii. 189. 



resistance to drought, i. 329. 



Mesembryanthemum foliosum, aqueous tis- 

 sue, i. 328. 



Mesocarpus, chlorophyll i>late. i. 373. 



— conjugation, ii. 658. 



Mesomycetes, distinctive characters, ii. 674. 

 Mesophyll, transpiring leaf-tissue, i. 278. 

 Metabolism, nature of, i. 455. 



— variety aud constancy of product*;, 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. 



— vmprotected pollen, ii. 107. 



— venation, i, 630. 

 Metzgeria. apical-cell, i. 578. 

 Meum, geitonogamy, ii. 324. 

 MeumMutelhna, 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 Daphnf Mfzertum. 

 Miasmas, cause of. i. 506. 



Mica, difficult to decompose, i. 83. 

 MicellsB, groups of molecules, i. 57. 



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

 Micrasterias morsa. ii. 492. 655. 

 Micrasterias papillifera, ii. 492, 655. 

 Micrococcus accti, fermentation, ii. 623. 

 Micrococcus diphthericus, disease germ of 



diphtheria, i. 163. 

 Micrococcus proiligio.sus, ii. 624. 



"blood-porti'nt", ii. 623. 



Microcystis ichthylobu. home of, i. 105. 

 Microgamete. of Chlamydomonas, ii. 630. 



— of Phyllobium. ii. 638. 



.Micromeria Kcnieri, i)robablo hybrid, ii. 592. 

 Micromeria nervosa, plumed fruits, ii. 857. 

 Micropu». distribution of sexes, ii. 297. 

 Micropylar canincle, ii. 425. 



— scar, ii. 425. 

 Micropyle, of ovule, ii. 81. 



— — and pollen-tube, ii. 410. 



— position in Abietinetu, ii. 438. 



— position in Cvipressinese, ii. 439. 

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



— first discoveries, i. 21. 



— limits of magniflcation, i. 571. 

 Microsomata, in cell division, i. 581. 



