Reports the results of an experiment to compare the weight of seeds produced in plants of [Medicago sativa] by self-pollination and by insect pollination.
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Reports the results of an experiment to compare the weight of seeds produced in plants of [Medicago sativa] by self-pollination and by insect pollination.
F. Hildebrand, in his recent article [Bot. Ztg. 10 (1866): 73–8], describes what GH showed CD about Indigofera’s irritability.
Describes the pollination of broom by bees.
Returns proofs of GH’s paper ["On hybridization among plants", Pop. Sci. Rev. 5 (1866): 304–13] with his criticisms. Prefers that GH not state that CD has read the proofs.
Does C. V. Naudin really say that ovules (not seed) of hybrid Luffa and Cucumis are imperfect?
CD believes most strongly in reversion. J. G. Kölreuter’s, K. F. v Gärtner’s, and some of Charles Naudin’s cases leave no doubt in his mind. Forgets whether Herbert gave cases but in conversation he certainly believed in it. Thinks Gärtner is right to say reversion occurs only rarely in plant hybrids which have not been cultivated. [See 5120.]
Variation