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From James Torbitt   12 September 1878

Summary

Has forwarded what he believes to be a new species of Solanum.

Author:  James Torbitt
Addressee:  Charles Robert Darwin
Date:  12 Sept 1878
Classmark:  DAR 178: 146
Letter no:  DCP-LETT-11689

To Francis Darwin   12 September [1878]

Summary

Julius von Sachs’s views on stomata seem largely correct, but CD cannot understand how leaves can survive submerged for such long periods.

Has been observing Drosera and concludes that none of the movement of the tentacles is caused by growth.

Suggests observations to show role of pulvinus in leaf movement.

Author:  Charles Robert Darwin
Addressee:  Francis Darwin
Date:  12 Sept [1878]
Classmark:  DAR 211: 45
Letter no:  DCP-LETT-11690