Herbert, Dr., on hybrid Primulae.
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.