No summary available.
No summary available.
No summary available.
No summary available.
CD wants WED to make some measurements on mid-styled [Primula sinensis] plants.
No summary available.
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.
No summary available.
CD says Meneanthes is now in flower.
CD would like to see Rhamnus, as an American species is dimorphic.
Sends red cowslip pollen to be measured.
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.
No summary available.
No summary available.
No summary available.