Karl Mortitz Schumann (1851-1904)

No copyright (public domain)

This is the original edition of 1899 (supplement of 1903 not included). The first monograph devoted to cacti. 832 pages and 117 illustrations of various quality. The pdf file containing both the original and an “interpreted text” (poor quality) can be downloaded from Missouri Botanical Garden Library¹⁾ under the name 31753002553771.pdf.²⁾







Right: Leuchtenbergia principis, page 471.