Darwin-Hooker Letters : Letter from C. R. Darwin to J. D. Hooker 15 February 1878
Darwin, Charles Robert
Darwin-Hooker Letters
<p style='text-align: justify;'>Supports idea to translate C. K. Sprengel, but opposes publishing it together with H. Müller because this would raise price of Müller’s useful book.</p><p style='text-align: justify;'>Confirms JDH’s observation that only tip of cabbage radicle shows geotropism.</p>