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.