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59. Patten, C. G. 



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60. Peek, S. W. 



1885. The Nursery and the Orchard . . . 208 p., illus. 



61. Plukenet, Leonard. 



1769. Almagestum Botanicum, 402 p. Londini. 



62. Plttms in 1869. 



1870. In Amer. Hort. Ann., 1870, p. 78. 



63. Prince, William. 



1828. A Short Treatise on Horticulture ... 196 p. New York. 



64. 1831. The Pomological Manual . . . pt. 2, 216 p. New York. 



65. Robin, C. C. 



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66. Sargent, C' S. 



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67. 1894. New or little-known plants. — Prunus orthosepala. In Gard. and Forest, 



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68. Stephens, H. B. 



[1890.] Jacques Cartier and his Four Voyages to Canada . . . 163 p., pi. maps. 

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69. Stickney, J. S. 



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70. Thacher, James. 



1825. American Orchardist . . . ed. 2, 236 p. Plymouth, Mass. 



71. Thoma.s, J. J. 



1849. American Fruit Culturist ... 407 p., 302 fig. Auburn, N. Y. 



72. True, C. H. 



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73. W. W. 



1868.' The Minor plum. In Amer. Agr., v. 27, no. 2, p. 62. 



74. Wangenheim, F. A. J. von. 



1781. Beschreibung einiger nordamericanischen Holz- und Buscharten, mit 

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75. 1787. Beytragzur tc'Utachenholzgerechten Forstwissenschaft, die Anpflilnzung 



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76. Waugh, F. a. 



1901. Plumaand Plum Culturo . . . 371 p., illus. New York. 



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