On the Origin of Species · ¶1023
Kölreuter: on the barberry, 98. on sterility of hybrids, 247. on reciprocal crosses, 258. on crossed varieties of nicotiana, 271. on crossing male and hermaphrodite flowers, 451.Read in context ›
Charles Darwin · John Murray, London, 1859, first edition · Gutenberg #1228; original diagram from Darwin Online F373
Charles Darwin · John Murray, London, 1859, first edition · Gutenberg #1228; original diagram from Darwin Online F373
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