Excerpt from Group Classification and Varietal Descriptions of American Varieties of Sweet Potatoes A. Shape of leaf. G. Color of lower surface of veins. (1) Cut. (1) Vein purple. (2) Round. (2) Midrib pinkish in some old (3) Long. Leaves. (4) Broad. (3) Purple spot at base of mid (5) Mixed (round and lobed). Rib. B. Size of leaf. (4) Veins all green. (1) Small (less than 4 inches H Arrangement of hair on the upper across). Surface of the leaf, if any. (2) Large (more than 4 inches (1) Hair all over. Across). (2) Chiefly on tips and along C. Length of stem. Veins. (1) Long (more than 4 feet (3) Absent. Long). I Outside color of. The roots. (2) Short (less than 4 feet (1) White. Long). (2) Yellow, golden, or bronze. D. Color of stem (3) Yellow, fed, or pinkish. (1) Green (with or' without (4) Red or purple. Brownish areas). J. Color of flesh of 'the roots. (2) Green (with purple around (1) White. The axils of the leaves). (2) Cream colored or yellowish (3) Greenish brown to purple. White. (4) Purple. (3) Pinkish white or pinkish E. Size of stem. Yellow. (1) Thin (less than one-eighth (4) Pinkish orange. Of an inch in diameter). (5) Marked with purple. (2) Thick (more than one-eighth Distinctness of wood elements in of an inch in diameter, the root. Often three-sixteenths or (1) Distinct. More). (2) Blurred. F. Presence or absence of star. 3) Not visible. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.