Has sent two Impatiens flowers; curious to know what Darwin makes of the floral whorls and their vascular bundles. Cassia is another genus that has different [coloured] anthers in same flower. Continues to work on Welwitschia. Feels as Darwin does about his work, which after a time seems flat and stale. He could never have done what Darwin did in his Orchids. Darwin's facts about Verbascum have horrible bearing on Hooker's practice of lumping species together.
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