Geology and Natural History. AGF 
he gener. 
chiefly from “ Dr. Asa Gray’s Flora Californiensis.” The title of 
a. 
A. G. 
8. Contributions to the Flora of North Patagonia; by Joun 
Batt, F.R.S., ete—An article in the Journal of the Linnean Soci- 
ety, vol. xxi (1884), founded on a collection made by an amateur, 
M. Claraz, a Swiss gentleman; to which is prefixed some interest- 
Ing remarks on the climate and indigenous botany of the region. 
“The most remarkable feature in the flora of this region is its 
extreme poverty. ... Putting together all that has been col- 
lected and published in Europe, I doubt whether more than 300 
i can be said to be certainly known to grow 
South of the Rio Colorado. . . . It is certain that the extreme 
urther, it may remarked that the soil of t alleys must 
exhibit a sufficient degree of moisture, of constituents, and of ex- 
lished ther 
position to favor the development of many species not yet estab- 
here. Y 
“Still less can I admit the severity of the climate as an expla- 
