340 A DECADE OF WORK AT HOME. _ [1846, 
before the July vacation. . . . The contemplated expe- 
dition is a land one, from Lake Superior by North Pass 
to upper Oregon, down to Lewis River; up that, and 
then over to the Gila River in California. I know of no 
botanist to go. Can you find one? Sprague cannot 
be spared, and will not leave his wife and family for 
so long 
. . . Some of our Congressmen must feel a little 
ashamed that England is so cool and quiet in spite of 
all their bluster. “Capital for peace that the Peel min- 
istry is still in. We owe much gratitude to the new 
Lord Grey. . 
TO GEORGE ENGELMANN. 
CAMBRIDGE, April 8, 1846. 
What is Lindheimer about? Why is not his last 
year’s collection yet with you? We have just got 
things going, and we can sell fifty sets right off of his 
further collections, and he can go on and realize a 
handsome sum of money, if he will only work now! 
And he will connect his name forever with the Texan 
Flora! 
I am at the “Flora” again and hope to do great 
things this year, —shall work hard and constantly. 
Besides, by the aid of my young and excellent 
artist Sprague’s drawings, and Prestele to engrave 
cheaply and neatly on stone, I am going to commence 
a Genera I]lustrata of the United States, like T. 
Nees von Esenbeck’s “Genera Germanica Iconibus 
Tllustrata,’ — the plates to be equally good, and 
quite cheap too. The first volume, one hundred 
plates, going on regularly from Ranunculacex, will 
— this summer, and will be out in the 
