Credits for Color Illustrations are as follows: Frontispiece, photo by Paris Trail; Plate 2-1, from original painting in Museum of Solothurn, Switzerland, courtesy of Herr Joseph Müller, Director; Plates 2-2 and 2-3, from Liber Devotionis, photo courtesy of H.P. Kraus, New York; Plate 2-4, from original painting in Museum del Prado, Madrid, Spain, courtesy Sr. Francisco Javier Sanchez Canton, Director; Plates 3-1 and 3-2, courtesy of Dr. George H.M. Lawrence, Director of The Rachel McMasters Miller Hunt Botanical Library, Carnegie Institute of Technology, Pittsburgh, Pennsylvania; Plate 4-1, from Tartans of Clans and Septs of Scotland by W. and A.K. Johnston, Ltd., Edinburgh, 1906, courtesy Mr. Charles Dyson of Scarsdale, New York, who not only obtained the color print but also traced the true origin of the proper name, Frazer; Plate 4-2, from the painting by Dillenius in Hortus Elthamensis, 1732; Plate 4-3, from Johann Simon Kerner's Abbildung aller Oekonamischen Pflanzen, Stuttgart, 1788, courtesy of Mr. R.E. Carr at the British Museum (Natural History), London; Plate 5-1, from Philip Miller's The Gardener's Dictionary; Plates 5-2a and b, paintings by Mme. Vilmorin in Le Jardin du Museum, vol. 9, 1862-1875; Plate 6-1, from Transactions of the Royal Horticultural Society, vol. 3, 1820, London; Plate 6-2, from Pomological Magazine, vol. 3, 1830; Plate 6-3, from Transactions of the Royal Horticultural Society, vol. 2, 1818, London; Plate 6-4, from Transactions of the Royal Horticultural Society, vol. 5, 1821, London; Plate 7-3a, photo by Dr. J.R. Ellis; Plates 10-la and c, from Small Fruits of New York, by Hedrick; Plate 10-8, courtesy of Dr. L.P.S. Spangelo, Canada Department of Agriculture, Ottawa Research Station; Plate 14-1, photo by Mr. Hermann Kessler; Plates 16-la and 17-1, from Monografia delle Principali Cultivar di Fragola Non Rifiorenti by Profs. E. Baldini and C. Branzanti; Plates 17-2 and 17-3, Dr. Walter H.J. Hondelmann; Plate 18-1, Dr. H. Katsumata, Kurume, Japan; other photos by William H. Riess, Jr., D. Smith, Cyril Ricketts, C.D. Schwartze, and W.H. and G.M. Darrow through U.S.D.A.

Most half-tone figures which are not specifically credited are from U.S.D.A. Figures 4-1 and 4-2, Frezier's A Voyage to the South-Sea and along the Coasts of Chile and Peru in the Years 1712, 1713, and 1714, courtesy Mr. Mulford Martin at the Library of the New York Botanical Garden; 5-1 through 5-14 and 8-1, 8-6 and 8-7, from Illustrations pour I'Histoire naturelle des fraisiers by Duchesne, courtesy Mme. G. Duprat, Bibliothéque Centrale du Muséum National d'Histoire Naturelle, Paris; 6-2, Laxton Brothers, England; 6-3, Journal of the Royal Horticultural Society, vol. XXXIX, p. 554, fig. 171; 7-2, photo by André Snow; 7-4, Dr. G. Staudt; 7-13 and 7-14, Dr. Haig Dermen; 7-15 and 7-16, slides prepared by Mr. Henry Holden; 8-10, photo by Crandall; 9-1, after Popenoe; 17-1 through 17-5, Dr. Walter H.J. Hondelmann; 18-1 through 18-12, Dr. H. Katsumata, Kurume, Japan; 19-4, photo by White; 19-5 through 19-8 and 19-14, after White; 19-30, drawn by A.R. Mann; 19-33, after Winston; 19-42, after Nitsch; 19-45, from "Growth and Morphogenesis of the Strawberry as Related to Auxin," by J. P. Nitsch, Amer. Jour. Bot. 37 (1950): pp. 211-215, fig. 1.

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