114/1000.

GODRON--Central France.

With 5 species and upwards With 3 species and downwards
160/1000. 105/1000.

I do not enter into details on omitting introduced plants and very
varying genera, as Rubus, Salix, Rosa, etc., which would make the result
more in favour.

I enjoyed seeing Henslow extremely, though I was a good way from well at
the time. Farewell, my dear Hooker: do not forget your visit here some
time.

LETTER 54. TO J.D. HOOKER. Down, November 14th [1857].

On Tuesday I will send off from London, whither I go on that day,
Ledebour's three remaining volumes, Grisebach and Cybele, i.e., all that
I have, and most truly am I obliged to you for them. I find the rule, as
yet, of the species varying most in the large genera universal, except
in Miquel's very brief and therefore imperfect list of the Holland
flora, which makes me very anxious to tabulate a fuller flora of
Holland. I shall remain in London till Friday morning, and if quite
convenient to send me two volumes of D.C. Prodromus, I could take them
home and tabulate them. I should think a volume with a large best known
natural family, and a volume with several small broken families would
be best, always supposing that the varieties are conspicuously marked in
both. Have you the volume published by Lowe on Madeira? If so and if any
varieties are marked I should much like to see it, to see if I can make
out anything about habitats of vars. in so small an area--a point on
which I have become very curious. I fear there is no chance of your
possessing Forbes and Hancock "British Shells," a grand work, which I
much wish to tabulate.

Very many thanks for seed of Adlumia cirrhosa, which I will carefully
observe. My notice in the G. Ch. on Kidney Beans (54.1 "On the Agency
of Bees in the Fertilisation of Papilionaceous Flowers" ("Gardeners'
Chronicle," 1857, page 725).) has brought me a curious letter from an
intelligent gardener, with a most remarkable lot of beans, crossed in a
marvellous manner IN THE FIRST GENERATION, like the peas sent to you by
Berkeley and like those experimentalised on by Gartner and by Wiegmann.
It is a very odd case; I shall sow these seeds and see what comes up.
How very odd that pollen of one form should affect the outer coats and
size of the bean produced by pure species!...

LETTER 55. TO J.D. HOOKER. Down [1857?].

You know how I work subjects: namely, if I stumble on