Discusses his new microscope.
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Discusses his new microscope.
Discusses WED’s growing interest in botany; would be grateful for certain observations.
Is much concerned about Horace’s illness.
Has sent Orchids MS to printers
and will work a little at dimorphism.
Thanks WED for eyeglass.
Reports on health of Horace and family matters.
Has finished Orchids.
Hooker has written about WED’s going to Kew.
Wants WED to forward dried Malaxis to G. C. Oxenden.
Has been dissecting Viola flowers.
[Letter from Emma Darwin to WED, verso p. 3.]
Found 27 flowers of Orchis latifolia and in 16 of them were dead flies of one particular kind.
Leonard has scarlet fever; CD is sorry WED is unwell.
WED’s travel plans; an insect he has observed on Orchis maculata.
Reports some observations on the fertilisation of wheat which WED might follow up.
WED reports on studying the pollen of grass and Valerian through his microscope.
Lenny [Leonard Darwin]’s illness.
Polymorphism in valerian and Lythrum salicaria.
Sends observations on Valeriana officinalis.
Leonard’s illness.
Polymorphism in valerian and Erythraea.
Discusses dimorphic plants, valerian and Erythraea. Would like to look at them; suggests WED draw up a paper on them.
Suggests sending plant specimens. Asks about visit of Emma and the boys.
WED has been collecting Lythrum plants. Numerical proportions of the three forms.
Discusses Lythrum, "a really wonderful case"; asks WED to make observations and collect specimens; sends a diagram which shows what crosses he believes are fertile.
Would like George to watch bees visiting the flowers; wants some pods from different forms to compare shapes and count seeds.
Sends specimens of the three forms of Lythrum. Remarks on the numerical proportions of different forms.
Has read CD’s long letter on Lythrum and agrees with it. Is examining the pollen of the different types.
Asks WED to send some specimens [of Lythrum?].
[Letter from Emma Darwin to WED on verso.]