Southern hemisphere
The southern hemisphere is the part of Earth's surface that is south of the equator.Summer occurs around December to February and Winter around June to August.
See Northern hemisphere, seasons, solstice and equinox
on Aristolochia.
wide dissemination of seeds.
Hoffmann, Professor H., self.html">self-fertilised capsules of Papaver somniferum.
spontaneous variability of Phaseolus multiflorus.
Papaver alpinum.
Linum usitatissimum.
Honey-dew.
Hooker, Dr., Euryale ferox and Victoria regia, each producing several
on sexual relation of trees in New Zealand.
Horse-chestnut.
Humble-bees, see Bees.
Humboldt, on the grains of cereals.
Humming-birds.html">Birds a means of cross.html">cross.html">cross-fertilisation.
Hyacinth.
Hybrid plants.html">plants, tendency to revert to their parent forms.
Hypecoum grandiflorum.
measurement.
remarks on experiments.
early flowering.
highly self-fertile.
-- amara.
Impatiens frequented by humming-birds.
-- fulva.
-- pallida.
Inheritance, force of, in plants.
Insects, means of cross-fertilisation.
by odours.
dark streaks and marks as guides for.
measurements.
cross with fresh stock.
summary of measurements.
summary of observations.
superiority of crossed.
effects of intercrossing.
seeds.
prepotency of other pollen.html">pollen.html">pollen.html">pollen.
Iris, secretion of saccharine matter from calyx.
Isotoma.
Juglans regia.
Kalmia latifolia.
Kerner, on protection of the pollen.
pollen carried by wind.
Kidney-bean.
Kitchener, Mr., on the action of the stigma.
crossing varieties of peas.
number of pollen-grains necessary for fertilisation.
Verbascum phoeniceum.
removal of corolla.
Labiatae.
Lactuca sativa.
prepotency of other pollen.
Lamium album.
measurements.
period of flowering.
seeds.
-- grandiflorus.
-- sylvestris, perforation of corolla.
.
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