Timbal-Lagrave, M., on hybrids in genus Cistus.
Torrey, Dr., on Hottonia inflata.
Transmission of the two forms of heterostyled plants.
Treviranus on Androsace vitalliana. Linum.
Vandellia nummularifolia. — sessifloria.
Vaucher on the carrot. Soldanella alpina. Lythrum salicaria. — thymifolia. Ilex aquifolium. on Labiatae. Viola hirta and collina.
Verbascum, wild hybrids of. — lychnitis. — phoeniceum. — thapsus. — virgatum.
Viburnum.
Vicia.
Villarsia. anthers.