Darwin-Hooker Letters : Letter from J. D. Hooker to C. R. Darwin 18 January 1877
Hooker, Joseph Dalton
Darwin-Hooker Letters
<p style='text-align: justify;'>JDH discusses his and others’ experiments on survival of seeds. Impressed with resistance of some seeds and rapid decomposition of others. He wonders about "vitality" in the abstract.</p>