Chlorophyll development in oat seedling.
Lists the sleeping plants he has seen.
Julius Sachs thinks Hugo de Vries has not cleared up everything [about climbing plants]. But Sachs has not worked on the mechanical problem.
Showing 41–60 of 113 items
Chlorophyll development in oat seedling.
Lists the sleeping plants he has seen.
Julius Sachs thinks Hugo de Vries has not cleared up everything [about climbing plants]. But Sachs has not worked on the mechanical problem.
More sleepers from green-house.
Julius Sachs’s view of climbing plants: he distinguishes between nutation to find a support and growth after support is found.
Experiments on effects of removing "bloom" from leaves and fruit.
Sachs jumps to the conclusion twiners and tendrils are similar from the Menispermum that twined without a stick. Akebia grows down a stick; not only the free end is involved.
Sleeping plants.
He has been working hard at Kew for two days.
Horse chestnut roots have not acted at all well.
He is getting some of the Heracleum seed sowed and the Cycas planted. Does CD want anything done with the potatoes sent by James Torbitt?
Many thnks for the pelargonium letter.
He has had no success with horse or Spanish chestnuts.
Directs CD where to find tools in his room. Has been looking at agave and aloe flowers. Thanks family for their letters.
Astonished at circular and will risk revolutions to invest. Describes Blidah, Algeria.
Fungus is an Aecidium. Porliera, Anthuriums and Aroids will hopefully sprout if weather gets hot. Sachs has changed his ideas about the cause of heliotropism. Describes men he is sharing a lab with.
Geotropism.
Experimenting on Porlieria in damp and dry earth.
Hermann Müller has been ridiculed for teaching children "in the beginning was Carbon".
Will ask about Ernst Krause.
Reports on roots and climbing plants experiments he is performing in Sachs’ laboratory. Orchids with air roots have come. Goebel says proshelic better than helic.
Discusses results of geotropism experiment. Has started some heliotropic caustic experiments on mustard roots. Has trouble making marks.
Describes his talk with Julius von Sachs about canary-grass.
Heliotropism nomenclature. Apheliotropic mustard roots grow more quickly in dark. Measures growth with microscope as S. H. Vines did in mould. Studying air roots.
FD’s and Stahl’s negative opinion of Sachs.
Pressure paralyses the streaming of protoplasm in the hairs of Tradescantia.
Discusses Müller-Thurgau’s work on heliotropism. Will start on Thursday for Heidelberg and Strassburg.
Describes bean experiments. Will tell Emma Darwin to tell Elizabeth Darwin that he has written to the Riffel.