The Vascular Anatomy of the Seedling of Dioon Edule
Chicago: University of Chicago Press, 1908. Paperback. Offprint from the Botanical Gazette, November 1908. 10 x 7 inches, pale green wraps, very good, light soil and wear, paginated 356-380 with 7 plates. From the GeoScienceWorld website: "Reinhardt Thiessen pioneered the thin-section method of coal petrography in the United States as well as the application of spores to the correlation of coal beds. His scientific career, mainly with the U.S. Bureau of Mines, spanned three decades during which he investigated the petrographic and botanical composition of American coals and conducted related research on peat and oil shale. He was the first in North America and, perhaps, worldwide to relate the macroscopic bands in coal to a microscopic classification of coal. Thiessen’s published record of about 82 items and the Thiessen coal thin-section slide collection, which consists of about 19,000 slides of both American and foreign coals, are a rich legacy of his monumental work in organic petrology." Very Good. Item #H16870
Price: $15.00