"Cereus," by Mrs. William Duffield, 1892. Massachusetts Horticultural Society Library, Box 9, Repros (shelf locator). Gift of Mrs. Fiske Warren, March, 1943. Permalink: http://ark.digitalcommonwealth.org/ark:/50959/0p097c160 This work is licensed for use under a Creative Commons Attribution Non-Commercial No Derivatives License (CC BY-NC-ND).

“Cereus,” by Mrs. William Duffield, 1892. Massachusetts Horticultural Society Library, Box 9, Repros (shelf locator). Gift of Mrs. Fiske Warren, March, 1943. Permalink: http://ark.digitalcommonwealth.org/ark:/50959/0p097c160 This work is licensed for use under a Creative Commons Attribution Non-Commercial No Derivatives License (CC BY-NC-ND).

“Cereus,” by Mrs. William Duffield, 1892. Massachusetts Horticultural Society Library, Box 9, Repros (shelf locator). Gift of Mrs. Fiske Warren, March, 1943. Permalink: http://ark.digitalcommonwealth.org/ark:/50959/0p097c160 This work is licensed for use under a Creative Commons Attribution Non-Commercial No Derivatives License (CC BY-NC-ND).