Modern Scientific Plant Encyclopedia, “Sou-Moku Zukan”, in twenty volumes (“近代科学的植物図鑑「草木図説」（草部）２０巻“) was published between 1856 and 1861. The author, Iinuma, Yokusai (飯沼慾斎), 1782-1865, was a physician, who enthusiastically pursued the study of native plants in Japan. He adopted the first innovative method of recording and classifying observed morphology of a plant, and his Encyclopedia was the first one followed by the taxonomy of Linnaeus in Japan. This revised edition shown here was reprinted in 1874.
The illustrations are drawings printed in black and white and provide effective demostration of the major features of each plant. In this revised edistion, some of the pages have a delicate wash of watercolor added as highlights.