Discusses dimorphic plants.
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Discusses dimorphic plants.
Thanks WED for his botanical specimens and observations.
Discusses Corydalis and the fertilisation of Fumariaceae.
Would like WED to send a specimen of the unusual plant organ of which he sent a drawing.
Relates events at Down;
asks WED to make some observations on Lythrum.
His present hobby-horse is tendrils.
Describes difference between Pulmonaria flowers; wishes to know whether it is general.
Writes of dimorphic plants.
Thanks WED for measuring cowslip pollen. Sends dimorphic flowers.
Experiment instructions.
Instructions on measuring pollen of dimorphic plants.
Discusses WED’s observations on polymorphic flowers.
Mentions WED’s extraordinary discovery of some pollen-grains of different sizes. The observations must be followed up.
CD much obliged for specimen and drawings.
Different forms of flowers of Rhamnus.
Polymorphism in Rhamnus.
Polymorphic flowers of Rhamnus [see Forms of flowers, p. 294].
Cuttings have arrived. Different flower forms [in Rhamnus?].
Tells WED of a change in his will.
Thanks WED for a present.
Discusses the Duke of Argyll’s Reign of law [1867].
Is busy revising proofs [of Variation].
Sends WED £200.
Asks WED to observe blushing in the blind, and yawning.
Mentions elephants’ crying while trumpeting.