Lecoq, H., on the common maple. cowslips and primroses. Primula elatior. Linum Austriacum. Lythrum hyssopifolia. Rhamnus. gyno-dioecious plants. Scabiosa succisa. Viola odorata. Leersia oryzoides. pollen-grains of. Leggett, Mr., Pontederia cordata. Legitimate unions, summary on the fertility of the two, compared with that of the two illegitimate in Primula. fertility of, compared with illegitimate. Leighton, Reverend W.A., on the cowslip and primrose. Verbascum virgatum. Leontodon, pollen-grains. Leptosiphon. Leucosmia acuminata. -- Burnettiana. stigma. Lily, the Gloriosa. Limnanthemum Indicum. pollen-grains. anthers. Linaria spuria. Lindley on Fragaria elatior. Linnaeus on Primula veris, vulgaris, and elatior. Linum angustifolium. -- Austriacum. -- catharticum -- corymbiferum. -- flavum. stamens. -- grandiflorum. various experiments. pistils and stamens. sterile with its own-form pollen. -- Lewisii. -- perenne. torsion of the styles. long-styled form. stigma. -- salsoloides. -- trigynum. -- usitatissimum. Lipostoma. Lysimachia vulgaris. Lythrum Graefferi. -- hyssopifolia. -- salicaria. power of mutual fertilisation between the three forms. summary of results. illegitimate offspring from the three forms. concluding remarks on. mid-styled form. seeds. -- thymifolia. Malpighiaceae. Manettia bicolor. Maple, the common. Marshall, W., on Primula elatior. Plantago lanceolata. Masters, Dr. Maxwell, on cleistogamic flowers. Maximowicz on Krascheninikowia. Meehan, Mr., on Mitchella. Epigaea repens. Melissa clinopodium -- officinalis. Mello, Correa de, on Arachis. Voandzeia. Mentha aquatica. -- hirsuta. -- vulgaris. Menyanthes. -- trifoliata. Michalet on Oxalis acetosella. Linaria spuria. Mitchella. -- repens. Mohl, H. Von, on the common cowslip. size of corolla in the sexes of the same species. Trifolium and Arachis. cleistogamic flowers. Oxalis acetosella. Impatiens noli-me-tangere. Specularia perfoliata. Mollia lepidota. -- speciosa. Monnier, M., on Viola. Monochoria vaginalis. Mulberry, the. Muller, D., on Viola canina. Muller, Fritz, on pollen of the Villarsia. Faramea. Posoqueria fragrans. Nesaea. Oxalis. Pontederia. Oxalis Regnelli. Chamissoa. Muller, H., on the frequency of visits by insects to the Umbelliferae and Compositae. on dichogamy. on Anthophora and Bombylius sucking the cowslip. Primula elatior. -- villosa. Hottonia palustris. table of relative fertility of. Linum catharticum. Polygonum fagopyrum. Lythrum salicaria. on the origin of heterostylism. on the Labiatae. Thymus serpyllum. Scabiosa arvensis. Plantago lanceolata. size of corolla in the two sexes of the same species. Impatiens balsamina. Lysimachia. Myosotis. Nepeta glechoma. Nertera. Nesaea verticillata. Nolana prostrata, variability in length of stamens and pistil. Nyctaginia. Oldenlandia. Oleaceae. Oliver, Professor, on ovules of Primula veris. Viola. Campanula colorata.