BOTANICAL INFORMATION. 637 
We may congratulate English Botanists on the return to this 
country of ees Nuttall—a great part of whose life has been de- 
voted toth f American Botany,and to the duties 
of his Professorship at Harvard College, Massachusetts —with 
his noble collection of American Plants, made during his exten- 
sive travels in various parts of the United States, and through 
a vast extent of territory, upon the Rocky Mountains, and 
between that great chain and the Pacific Ocean, upon the 
Columbia (or Oregon River) and in California. Many of 
these plants are already published by Mr. Nuttall in the 
Transactions of the American Philosophical Society, and in 
other scientific journals of the United States, or are in a 
course of publication in Drs. Torrey and Gray's * Flora of 
North America," while the remaining unpublished ones will 
engage Mr. Nuttall’s attention in this, his native, country. 
Among the many botanical labours which occupied 
Mr. Nuttall in the United States, was a new edition of 
“ Micnaux’s Norta AMERICAN SYLVA; or a Descrip- 
tion of the Forest Trees of the United States, Canada, 
and Nova Scotia, illustrated by 156 finely-coloured Engra- 
vings ;? with three additional volumes, containing all the 
Forest Trees discovered in the Rocky Mountains, the Territory 
of Oregon (Columbia), down to the shores of the Pacific, and 
the confines of California, as well as in various parts of the 
United States, illustrated by 122 finely-coloured Plates, “ en- 
tirely from the pen of Mr. Nuttall.” 
The three additional volumes we learn may be had sepa- 
rately, by those persons who possess the former edition of 
Michaux. One part, at least, of the supplementary volumes 
is published, as we are informed by the talented author ; and 
Baldwin, Paternoster-row, is the agent for its sale in London. 
The American Exploring Expedition, which was accom- 
panied by at least one excellent naturalist, and very acute 
observer, we mean Mr. Charles Pickering, has returned to 
the United States; and we understand that the Botanical 
Collection is very extensive, and peculiarly interesting from 
