Has been observing the movements of leaves and cotyledons; sleep movements are exaggerated circumnutation. Reports some odd observations on movement in Oxalis species.
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Has been observing the movements of leaves and cotyledons; sleep movements are exaggerated circumnutation. Reports some odd observations on movement in Oxalis species.
Seeks CD’s support for W. C. M’Intosh, candidate for Chair in Natural History at Aberdeen.
Can send FD twisted branches of some climbing plants if he wishes.
Sends CD a copy of his book [Flowers; their origin, shapes, perfumes and colours (1878)].
Progress of experiments. Wants CD’s advice on best way to cross-fertilise his plants.
No summary available.
Sends a paper by Melchior Neumayr [‘Über unvermittelt auftretende Cephalopodentypen’, Jahrb. K.-K. Geol. Reichsanst. 28 (1878): 37–80].
Plans to marry soon.
Next year he will begin a practical course in geology to supplement his lectures.
Asks questions related to movement in plants. The cotyledons of Oxalis offer a promising field for study.
Wonders why Julius von Sachs thinks bloom is a protection against insects.
Encloses notes on the cotyledons of Oxalis species.
Name of plant: Colocasia antiquorum, Schott. = Caladium esculentum, Hort. Vent.
Congratulates JWJ on marriage.
Thanks for essay by Neumayr [see 11569].
Comments on paper by Edmund Mojsisovics ["Kleine Beiträge zur Kenntniss der Anneliden", Sitzungsber. K. Akad. Wiss. Wien Math.-naturwiss. Cl. 76 (1877) Abt. 1: 7–20].
CD’s health better than a few years ago.
Is frustrated to see, from a paragraph in Nature [18 (1878): 242], that Charles Lagrange has got hold of the same sort of ideas as he has.
Erasmus is unwell.
Discusses methods of fertilising potatoes.
Sleep of Porlieria hygrometrica seems independent of light.
Will have lots of time for oats. W. F. P. Pfeffer’s point is that there is no growth in sleepers with joints. A. F. Batalin says there is a slight growth.
[Dated Saturday 28th by FD.]
The results of WHD’s long series of investigations of effects of steadily and slowly altered environment on putrefactive organisms "palpably demonstrate [CD’s] great doctrine".
Will dispatch the best twisted stems he can find.
Considers the role of the pulvinus in leaf movement.
Describes his talk with Julius von Sachs about canary-grass.