Darwin-Hooker Letters : Letter from C. R. Darwin to J. D. Hooker 8 November [1861]
Darwin, Charles Robert
Darwin-Hooker Letters
<p style='text-align: justify;'>Orchid anatomy: homologies of column vascularisation.</p><p style='text-align: justify;'><i>Primula</i> paper sent to Linnean Society.</p>