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. P. veris. dwarfed stature and sterility. equal-styled varieties. parallelism between illegitimate fertilisation and hybridism.
Illecebrum.
Impatiens, pollen-grains of. — balsamina. — fulva. — noli-me-tangere.
Juglans regia.
Juncus bufonius.
Jussieu, A. de, on Malpighiaceae.