Darwin-Hooker Letters : Letter from C. R. Darwin to J. D. Hooker 1 July [1857]
Darwin, Charles Robert
Darwin-Hooker Letters
<p style='text-align: justify;'>George Henslow’s curtness to JDH: "an attack of religion".</p><p style='text-align: justify;'>Embryonic leaves. Adaptive functions and taxonomic significance of cotyledons.</p><p style='text-align: justify;'>Asa Gray. Separation of sexes in U. S. trees.</p>