| Item Description: | Text of volume 1 first published in 1909; text of vol. 2 never before published. "A publication of the Hunt Institute for Botanical Documentation, Carnegie-Mellon University." Includes index. |
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| Physical Description: | 2 volumes (x, 1139 pages) : illustrations ; 25 cm. |
| Bibliography: | Bibliography: volume 2, pages [1039]-1109. |
| ISBN: | 0804710759 |