
          I see by Sill. Journ. that
Dr. Boott has published a
splendid vol. on Carices, of
near 100 species of our country
or rather of America. I am
very glad Dr. Gray gave
the Catalogue. The work
must be great on Caricog.

Do you leave N. York
this summer, & where do you
go? What a hot time we have
had of it? And in London,
even hotter for them. I see
on June 15. at London, 92.6° between
12 & 1, & the least heat 63.1,
the mean being 77.3°, or 1.2° hotter
than the maximum at Greenwich
in 43 years.

Here the hottest was
on the 25th, 93°, & the mean 83°, a
day far hotter than in London.

July 3rd was hotter for hours than on
the 25h, tho' the mean is 82.33,
but the temp. was 91 & 92 far
much less, & yet not up to
93° quite at any moment.

Today is cool, only 74° at mean,
& air fine from N. W.,
        