Replies to CD’s letter: dimorphism common in Ceylon Rubiaceae. [See Forms of flowers, p. 286.]
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Replies to CD’s letter: dimorphism common in Ceylon Rubiaceae. [See Forms of flowers, p. 286.]
Thanks GHKT for specimens of Sethia. Discusses functions of their dimorphism for insect fertilisation.
Discusses polymorphism and fertilisation in Lythraceae.
Asks for seed of Limnanthemum.
Describes his interest in galls.
Discusses curious specimens of Gomphia and Lesemia.
Dimorphism in Linum.
Situation in some of the lower Algae is analogous to that in phaenogams. In some, conjugation occurs between separate filaments, in others between cells of same filament.
Forwards a letter from S. O. Glenie enclosing specimens of Cassia fistula which show the two forms of the anthers.
Thanks GHKT for Limnanthemum seed.
Comments on his view of algal reproduction.
Discusses flower of Cassia.
Sends photograph of himself.
Sends information on the flowers of Cassia roxburghii; will send flowers of all the species of Cassia for CD to study with a view to discovering the law which operates to bring about the differences.