A fact on expression: sheep do use hoofs in fighting.
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A fact on expression: sheep do use hoofs in fighting.
Praises Expression.
Reports on Fritz Müller’s observations of cross- and self-fertilisation. HM will cultivate the two forms [i.e., mainly self-fertilised and mainly cross-fertilised] in the way CD has described.
He continues his observation of wild flowers. Encloses drawing of Viola tricolor with notes on its self-fertility.
Pollination and floral structure of Lathyrus. Asks where bees bite through the flowers.
Sends corrections of Descent and Expression.
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