Genera floræ Americæ boreali-orientalis illustrata [microform] : the genera of the plants of the United States illustrated by figures and analyses from nature /
Gray, Asa,1810-1888.
Sprague, Isaac,1811-1895lcn01325577
Boston : J. Munroe and company ; New York ; and London : J. Wiley,
1848-49.
Vol. 2 has imprint: New York, G.P. Putnam; London, Putnam's American agency, 1849.
Sabin 28371.
Sabin Unit 39.
Microfiche.
Botany