Fig. 1. Ames, Oakes, Charles S. Sargent (right) and Ernest H. Wilson in front of a Higan Cherry tree, 1915, hand tinted lantern slide, © 2003, President and Fellows of Harvard College; all rights reserved, courtesy of Arnold Arboretum Horticultural Library Historical Collections. More

Fig. 2. Wilson, E.H., Emmenopterys henryi China [Title from recto of mount.], January 24, 1909, 8 ½ x 6 ½ inches, emulsion on glass, © 2003, President and Fellows of Harvard College; all rights reserved, courtesy of Arnold Arboretum Horticultural Library Historical Collections. Note More

Fig. 3. Wilson, E.H., Populus suavelolens China , August 27, 1910, 6 ½ x 8 ½ inches, emulsion on glass, © 2003, President and Fellows of Harvard College; all rights reserved, courtesy of Arnold Arboretum Horticultural Library Historical Collections. Note: Populus suaveolens Fischer trees More

Fig. 4. Wilson, E.H., Ficus lacor China [Title from recto of mount.], April 6, 1908, 6 ½ x 8 ½ inches, emulsion on glass, © 2003, President and Fellows of Harvard College; all rights reserved, courtesy of Arnold Arboretum Horticultural Library Historical Collections. Note: Ficus lacor More

Fig. 5. Wilson, E.H., North of Mao-chou, August 30, 1910, 6 ½ x 8 ½ inches, emulsion on glass, © 2003, President and Fellows of Harvard College; all rights reserved, courtesy of Arnold Arboretum Horticultural Library Historical Collections. Note: A Sifan hamlet, with grove of Walnut trees More

Fig. 6. Wilson, E.H., Lilium formosum China , July 14, 1910, 6 ½ x 8 ½ inches, emulsion on glass, © 2003, President and Fellows of Harvard College; all rights reserved, courtesy of Arnold Arboretum Horticultural Library Historical Collections. Note: Lilium formosum Franch. Pa-chou, North More

Fig. 7. Wilson, E.H., Near Tachien Lu [Title from label in photograph album.], August 1, 1908, 6 ½ x 8 ½ inches, emulsion on glass, © 2003, President and Fellows of Harvard College; all rights reserved, courtesy of Arnold Arboretum Horticultural Library Historical Collections. Note: Iron More

Fig. 8. Wilson, E.H., Eucommia ulmoides, China , July 1, 1910, 6 ½ x 8 ½ inches, emulsion on glass, © 2003, President and Fellows of Harvard College; all rights reserved, courtesy of Arnold Arboretum Horticultural Library Historical Collections. Note: Eucommia ulmoides Oliv. Yunyang Hsien More

Fig. 9. Undated newspaper clipping, the E.H. Wilson papers, Arnold Arboretum Horticultural Library Historical Collections. More

Fig. 13. Dietrich, Scott, E. H. Wilson Monument with Songpan ancient city wall in background, Songpan, Sichuan province, China, 2017, courtesy of the photographer. More

Fig. 14. Ta Zerang, E.H. Wilson monument (front), Songpan, Sichuan province, China, 2017, courtesy of the photographer. More

Fig. 15. Ta Zerang, E.H. Wilson monument (back), Songpan, Sichuan province, China, 2017, courtesy of the photographer. More

Fig. 16. Wilson, E.H., The city of Sungpan Ting [Title from label in photograph album.], August 25, 1910, 6 ½ x 8 ½ inches, emulsion on glass, © 2003, President and Fellows of Harvard College; all rights reserved, courtesy of Arnold Arboretum Horticultural Library Historical Collections. Note More

Fig. 17. Wilson, E.H., Sungpan Valley [Title from label in photograph album.], August 25, 1910, 6 ½ x 8 ½ inches, emulsion on glass, © 2003, President and Fellows of Harvard College; all rights reserved, courtesy of Arnold Arboretum Horticultural Library Historical Collections. Note: View More

Fig. 18. Wilson, E.H., Sungpan Ting [Title from label in photograph album.], August 25, 1910, 6 ½ x 8 ½ inches, emulsion on glass, © 2003, President and Fellows of Harvard College; all rights reserved, courtesy of Arnold Arboretum Horticultural Library Historical Collections. Note: City More

Figs. 19 & 20. Wilson, E.H., Left: Sungpan Ting , Right: Sungpan Valley , 1910, 6 ½ x 8 ½ inches, emulsion on glass, © 2003, President and Fellows of Harvard College; all rights reserved, courtesy of Arnold Arboretum Horticultural Library Historical Collections. Note: Left image: View More

Fig. 22. Ta Zerang, E.H. Wilson monument, Songpan, Sichuan province, China, 2017, courtesy of the photographer. More

Fig. 23. Wilson, E.H., North of Mao-chou [Title from label in photograph album.], August 31, 1910, 6 ½ x 8 ½ inches, emulsion on glass, © 2003, President and Fellows of Harvard College; all rights reserved, courtesy of Arnold Arboretum Horticultural Library Historical Collections. Note: Men More

Fig. 24. Wilson, E.H., North of Mao-chou [Title from label in photograph album.], August 31, 1910, 6 ½ x 8 ½ inches, emulsion on glass, © 2003, President and Fellows of Harvard College; all rights reserved, courtesy of Arnold Arboretum Horticultural Library Historical Collections. Note More

Fig. 25. Wilson, E.H., Pinus massoniana (Bowls) China [Title from label in photograph album.], June 6, 1906, 6 ½ x 8 ½ inches, emulsion on glass, © 2003, President and Fellows of Harvard College; all rights reserved, courtesy of Arnold Arboretum Horticultural Library Historical Collections More