INDEX. 



901 



March antiacese, description, ii. 697. 

 Marine 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 Cinquefoil. 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, i. 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. 281. 

 Masdevallia, ii. 738. 

 Mastic Tree. See Pistacia Lentiscvks. 

 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 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 Maianthemum hifolium. 



Meadow-grass. See Poa. 



Meadow-rues. See Thalictrum. 



Meadow-saffron. See Colchicum autumnah. 



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 soutellata, wind di.spersal, 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 Mespilua Germanica. 

 Medulla, i. 469. 

 Medullary rays, i. 468. 



— sheath, i. 469. 



Mcgacarpica laciniat^i, seed-ilispcrBal, Ii. 



853. 

 Megagauiete, of Chlaniydomonas, formation 



of, ii. 630. 



— of Phyllobium, ii. 638. 

 Melaleuca, hermaphrodite, ii. 296. 



— inflorescence, i. 738. 



— silky bark, i. 720. 



— unprotected pollen, ii. 107. 



— vertical leaf -blades, i. 336. 

 Melampsora Goeppertiana and Vaccinium 



Vitis-Idaea, ii. 525. 

 Melampsora populina, on Populua 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 Violaceie, ii. 386. 

 Melanoxylon decipiens, phyllode, i. 335. 

 Melastoma Malabathricum, ii. 783. 

 MelastomaccEe, explosive flowers, ii. 267. 



— poUen-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 Sun-birds, ii. 225. 



Melica, pollination, ii. 142. 

 Melica altissima, arched leaf, i. 429. 

 dichogamy, ii. 312. 



seed-dispersal, ii. 854. 



Melica Balansfe, plumed glumes, ii. 858. 



Melic-grass. See Melica. 



Meligethes seueus, sheltering in Compositae, 



ii. 163. 

 Melilotus, insects and keel-raovementa, ii. 



252. 



— leaf, diurnal positions, i. 534. 

 Meliola, 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 bark, i. 720. 



— scales, of Ferns, i. 355. 

 Menispermaceie. leaf-stalk bundles, i. 649. 



— liane-like, i. 670. 



Menispermura 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 croBS-poUinBtiou. 



ii. 391. 

 Menziesia, pollen tetiads, ii. 97. 



Mercuriall*, dloBdoot, II. 300. 

 Morcuriall* anniu, i»rtlie(tucenm>. n v.o 

 Mercurialij pereniiui, dowitvwU |miU n< 

 root«, 1. 707. 



mixing of !■ ;;. ti, i; < : 



Meri(ari>, tiatu 



— of Er.Kliu,,, 

 Mcrismopoliii. 

 MeriBtcm, divti-.v, . , ,.. . 



— nature and acliTity, i. 6oj. 

 Mcrtvniio, autoKunijr. II. 336. 



— heterostyly, ii. 302. 



— protection of pollen, IL 118. 

 .Mcrt«nsia nmriliiii». Arctic, abaenca of 



hairs, i. 3IC. 

 Mertensia Sibirica, floral chance of oolour. 



ii. 191. 

 Menilius locrymaiia, i. 263. 



hyiiivnium, ic, IL, 688. 



mode of growth, ii. 790. 



Mesembryantheiuuin. protcclloo of polkn. 



ii. 113. 

 Mesembryanthcmum annuum, scolUuper- 



sal, ii. 845. 

 Me.scmbrjanthi-mura Candolleanuin, srcd- 



diisperaal, ii. 845. 

 Mesembrj'anthenium cr)-stallinuin, colour- 

 contrast of flower, ii. 189. 



resistance to drouKlit, I. 329. 



Mesembryanthcmum folioeuiu, a(|ueriiu Ua- 



suc, i. 328. 

 Mesocanius, chlorophyll plate. 1. 373. 



— conjugation, ii. 658. 



Mesomycetes, distinctiTe characters. II. 674. 

 Mesophyll, transpiring leaf-tissue, I. 278. 

 Metabolism, nature of, i. 455. 



— variety and coustoncy of prndurta. I. Vi\. 

 Metamorphosis, and division of labour, i S91 



— doctrine of. gives nrigin to scientific study 



of development, i. 13. 



— Goethe's explanation, i. 10. 



— of flowers, due to gall-mitcs. II. 548. 



— of leaf, contractions and eiionsiona, L U. 



— views of Linuean school, i. 9. 

 Meteoric dust, nature of, i. 80. 

 Metrnsideros, coloured stamen-fllauieiita. U. 



183. 



— inflorescence, i. 738. 



— unprotected pollen, ii. 107. 



— venation, i. 630. 

 Metzgeria, apical<:«ll, i. 578. 

 Meum, geitonogamy, ii. 324. 



Meum MiitcUino, herninphnMlit^anilpwado. 

 hermaphrodite male flowers, iL 96. 



scent, ii. 202. 



Mexican Cedar. See Taxodium Mtxieanmm. 

 Mexico, hairiness of pUnia, I. 317. 



— high plains. Cacti, i. 3'27. 



— spiny plants, i. 438. 

 Mezereon. See Diiphnr itrstmwk. 

 Miasni.as, cause of, i. 506. 



Mica, ditticult to deconiiK>»e, i 83. 

 Micelhe, groups of moli-culc*. I. 57. 



— of celluloiio. in rcl! i In-r. l ,'.<>1. 

 Micrastoriii.s n ■ " '"■ 

 Micrastfrin.i j t'.53 

 Micrococcus :. u £23 

 Micrococcus 'i , '^ errva ol 



diiihthcrio. i. luJ. 

 Micrococcus proiligiosn.^ ii. 624. 



•■l.l.io.lr'-Ttrnf. il. 623. 



Mil r ■ hmnr of. I lOS 



Min ><li'm»naa, ii £30 



Mici. . l.Ue hybr*<«. II ««. 



Microiucria uurviJio, j iiimol frulu. It 887. 

 .Micnipus. distribution of iiexc^ U. 2»7 

 Micmpylar r.inuicJe, 11. 42S. 



— Rcur, II. 4'-'5. 

 Micn>i>ylc, of orule. II. 81. 

 and pollcntulw. II 410 



— position In AbirUnr.i>, II. 431 



— iHMition Id Cupn:«»ine«. IL «S9 

 Microscope. efTcct on nu.lj of txxaay. I T. 



— Urst discoTcnca. I. 31 



— limits of macnifloatioK. I. 571 

 MIoroaomaU. In ccU dlvlslati. L 80. 



