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Darwin, Charles, 1809-1882

"The Different Forms of Flowers on Plants of the Same Species"


Heterostyled plants, illegitimate offspring of.
essential character of.
summary of the differences of fertility between legitimately and illegitimately
fertilised plants.
diameter of pollen-grains.
size of anthers, structure of stigma.
list of genera.
advantages derived from Heterostylism.
means by which plants became heterostyled.
transmission of form.
equal-styled varieties.
final remarks.
-- dimorphic plants.
-- trimorphic plants.
Hibiscus, pollen-grains.
Hildebrand, Professor, introduces the word "heterostyled."
on the ray-florets of the Compositae.
Primula Sinensis.
Linum grandiflorum.
L. perenne.
Pulmonaria officinalis.
P. azurea.
Polygonum fagopyrum.
Oxalis.
hermaphrodite plants becoming uni-sexual.
Hordeum.
Homostyled species of Primula.
Hooker Dr., on Campanula.
Hordeum.
Hottonia inflata.
-- palustris.
relative fertility.
anthers of.
papillae on stigma.
Houstonia coerulea.
Hoya carnosa.
Hybrid Primulas.
Hydrangea.
Hypericineae.
Hyssopus officinalis.
Ilex aquifolium
-- opaca.
Illegitimate offspring of heterostyled plants.
Lythrum salicaria, dwarfed stature and sterility.
Oxalis, transmission of form to seedlings.
Primula Sinensis, in some degree dwarfed.
equal-styled varieties.
Primula vulgaris.
transmission of form and colour.
seedlings.


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