Observes Plantago’s out-crossing mechanism.
Observations of style lengths of primroses and cowslips.
Showing 1–20 of 42 items
Observes Plantago’s out-crossing mechanism.
Observations of style lengths of primroses and cowslips.
Supports, in his orchid paper, CD’s view that sterility occurs at random [Trans. Bot. Soc. Edinburgh 7 (1863): 543–50].
Cannot get his Drosera paper published [abstract in Edinburgh New Philos. J. 2d ser. 17 (1863): 317–18].
Notes, calculations, and diagrams on phyllotaxy.
Encloses his notions [missing] on John Scott’s offer; some points in explanation.
Discusses dimorphism in linum and primula. Describes death of Mrs. Ashworth.
His satisfaction at CD’s acceptance of book as well as total public acceptance. Murray has given him a £250 advance. His pleasure at Asa Gray’s words.
Next task will be to write on origin [of species] by segregation of local races.
Sends observations on [Anchusa] plants from Isle of Wight.
Encloses plants derived from a cowslip–polyanthus cross.
Glad CD likes his Presidential Address to Geological Society [1863].
Will continue the practice [of discussing the break in succession of strata].
Has devised a diagram showing number of genera and species in each geological formation and the number that pass from formation to formation.
Describes the glaciated terrain of S. Wales.
Falconer going to France in defence of his views.
On scientific squabbling.
Herschel’s theory of the earth.
Bates’s book.
CD is right on heterostyly in Primula. High praise. Has confirmed it with Primula polyanthus.
Describes the structure of Corydalis and its arrangement for making pollen accessible to bees.
Sends photos of the niata ox skull presented by CD.
Sends sketch of Catasetum tridentatum fruit at request of Edward Bradford.
CD incorrectly asserted that Catasetum is male [Orchids, pp. 236–8].
JDH encourages a Mr Salwyn [Osbert Salvin] to collect in Galapagos; would like CD to add his encouragement.
Has just returned from collecting in Central America and is planning to go to the Galapagos to gather specimens in all branches of natural history.
Cites instance in which different varieties of same species of plant flourished side by side under same conditions.
Sends copy of the table, which now embodies CD’s suggestions [see 4117].
Gives instances of persons born with two thumbs and comments on hereditary factor.
Thanks CD for letter [3935].
Encloses report [missing] of his latest expedition [to west coast], which had a grand result.
Has searched in vain for the Ophrys apifera CD asked for.
Thanks CD for paper on Linum [Collected papers 2: 93–105].
Calls CD’s attention to his observations on Rubiaceae.