Exhibit Item 17
Thamnosma montana
Illustrator: Not Credited
Engraver: Joseph Prestele
Lithographer: James Ackerman, New York
Reports of Explorations and Surveys
Volume IV: Report of Explorations for a Railway Route Near
the 35th Parallel
of North Latitude from the Mississippi River
to the Pacific Ocean by Lieutenant
L. W. Whipple (1856)
Part V. The Botany of the Expedition
No. 4. Descriptions of the General Botanical Collections
by John Torrey
Plate III
Image courtesy Missouri Botanical Garden
www.botanicus.org