Darwin-Hooker Letters : Letter from C. R. Darwin to J. D. Hooker 11 March [1858]
Darwin, Charles Robert
Darwin-Hooker Letters
<p style='text-align: justify;'>JDH’s "objection" that small local genera do not vary and mundane ones do, is exactly CD’s point. Local floras useful to test idea that varieties are incipient species. Same genus in different countries cannot be lumped.</p>