Darwin-Hooker Letters : Letter from J. D. Hooker to C. R. Darwin 20 February 1873
Hooker, Joseph Dalton
Darwin-Hooker Letters
<p style='text-align: justify;'>Delighted with John Traherne Moggridge’s book [<i>Harvesting ants</i> (1873)].</p><p style='text-align: justify;'>Has suggested he plant seeds in various receptacles. Only two explanations for failure of seeds to germinate [in ants’ nests]: lack of circulating air or formic acid.</p><p style='text-align: justify;'>Has undertaken a botany primer for Macmillan.</p>