Leptosiphon androsaceus.

Leschenaultia formosa.

Lettuce.

Lilium auratum.

Limnanthes douglasii. measurements. early flowering of crossed. seeds. highly self-fertile. prepotency of other pollen.

Linaria vulgaris. seeds. self-sterile. —­ cymbalaria.

Lindley on Fumariaceae.

Link, hypopetalous nectary in Chironia decussata.

Linum grandiflorum.
—­ usitatissimum.

Loasaceae.

Lobelia erinus. secretion of nectar in sunshine. experiments with bees.

Lobelia fulgens. measurements. summary of experiments. early flowering of self-fertilised. seeds. sterile unless visited by humble-bees. —­ ramosa. measurements. early flowering of crossed. seeds. self-sterile. —­ tenuior.

Loiseleur-Deslongchamp, on the grains of cereals.

Lotus corniculatus.

Lubbock, Sir J., cross-fertilisation of flowers. on Viola tricolor. bees distinguishing colours. instinct of bees and insects sucking nectar.

Lupinus luteus. measurements. early flowering of self-fertilised. self-fertile. prepotency of other pollen. —­ pilosus. self-fertile.

Lychnis dioica.

MacNab, Mr., on the shorter or longer stamens of rhododendrons.

Mahonia aquifolium.
—­ repens.

Malvaceae.

Marcgraviaceae.

Masters, Mr., cross-fertilisation in Pisum sativum.
cabbages affected by pollen at a distance.

Masters, Dr. Maxwell, on honey-dew.

Measurements, summary of. 
Table 7/A. 
Table 7/B. 
Table 7/C.

Medicago lupulina.

Meehan, Mr., fertilising Petunia violacea by night moth.

Melastomaceae.

Melilotus officinalis.

Mercurialis annua.

Miller, Professor, on chemical affinity.

Mimulus luteus, effects of crossing. crossed and self-fertilised plants. measurements. cross with a distinct stock. intercrossed on same plant. summary of observations. of experiments. superiority of crossed plants. simultaneous flowering. effects of intercrossing. uniform colour of self-fertilised. seeds. highly self-fertile. prepotency of other pollen. —­ roseus.

Miner, Mr., red clover never sucked by hive-bees in the United States.

Mirabilis, dwarfed plants raised by using too few pollen-grains. number of grains necessary for fertilisation.

Mitchell, Dr., on first cousins inter-marrying.

Monochaetum ensiferum.

Moore, Mr., on Cinerarias.

Muller, Fritz, on Posoqueria fragrans. experiments on hybrid Abutilons and Bignonias. large number of Orchidaceous genera sterile in their native home, also Bignonia and Tabernaemontana echinata. sterility of Eschscholtzia californica.  Abutilon darwinii. experiments in self-fertilisation. self-sterile plants. incapacity of pollen-tubes to penetrate the stigma. cross-fertilisation by means of birds. imperfectly developed male and female Termites. food-bodies in Cecropia.