Sends packets of seeds of peas of different sizes [i.e., weights] for CD’s experiments; identifies size of the seeds that produced them. FG is experimenting "in the same direction" and is curious how his results will compare with CD’s.
Sends packets of seeds of peas of different sizes [i.e., weights] for CD’s experiments; identifies size of the seeds that produced them. FG is experimenting "in the same direction" and is curious how his results will compare with CD’s.
Observations on hive- and humble-bees. Perforating habits differ in different individuals of the same species.
Sends set of illustrations for Expression marked to show those that could be improved for a future edition.
Describes self- and cross-fertilisation experiments.
Asks JHG’s advice on setting up an experiment designed to test whether the cause of variation in cultivated plants lies in different substances absorbed from the soil when absorption is not interfered with by other plants in a state of nature. Can JHG suggest how he can get soil free of all the substances which plants naturally absorb?