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