532 THE PLUMS OF NEW YORK. 



flesh greenish-yellow, firm, slightly sweet; quality fair; stone large, oval, flat, clinging; 

 mid-season; listed in the catalog of the American Pomological Society in 1875. 

 Riga ii. Domestica. i. Mich. Sta. Rpt. in. 1887. 



Imported from Russia by J. L. Budd of the Iowa Experiment Station. 

 Rigny. Domestica. i. Hogg Fruit Man. 683. 1884. 2. Mathieu Nom. Pom. 420. 1889. 



Admiral Rigny 2. Admiral de Rigny i. Amiral de Rigny 2. Georg IV z. 

 Jackson? 2. 



Described as of medium size, roundish-oval; suture shallow; yellowish-green 

 flaked and striped with darker green, with a few crimson dots on the sunny side; stem 

 of medium length; cavity shallow; flesh yellow, tender, melting, juicy and rich; nearly 

 freestone; early. 

 Rising Sun. Domestica. i. Kenrick Am. Orch. 258. 1832. 



Corse's Rising Sun i. 



Originated by Henry Corse, Montreal, Canada. Fruit large, bright yellow, tinged 

 with red next to the sun; good; productive. 



Rivers Early. Insititia. i. Jour. Hort. N. S. 29:177. 1875. 2. Hogg Fruit Man. 

 695. 1884. 3. Mathieu Nom. Pom. 447. 1889. 4. Rivers Cat. 35. 1898. 



Damas Precoce de Rivers 3. Rivers' Early Damson i, 3, 4. 



Grown by Thomas Rivers, Sawbridgeworth, England, from a seed of St. Etienne. 

 Fruit of medium size, sweet and juicy; good. 

 Robert. Americana, i. Wis. Sta. Bui. 87:15. 1901. Robert's Freestone i. 



Fruit of medium size, oblong, flattened; suture a line; light greenish-yellow over- 

 laid with purplish-red; skin thick, tough; flesh moderately firm, sweet but not rich; 

 stone nearly free. 

 Roby Yellow. Domestica. i. Downing Fr. Trees Am. 944. 1869. 



A seedling raised by H. R. Roby, Fredericksburg, Virginia. Tree moderately 

 vigorous; fruit small, round; suture broad, shallow; cavity small; greenish-yellow; 

 bloom heavy; flesh greenish-yellow, juicy, sweet; good; clingstone; mid-season. 

 Rockford. Americana, i. U. S. D. A. Rpt. 392. 1891. 2. Waugh Plum Cult. 161 

 fig. 1901. 3. la. Hort. Soc. Rpt. 128. 1906. 



Introduced in 1889 by C. G. Patten of Charles City, Iowa, who found the variety 

 in 1871 on the farm of O. J. Green who, in turn, had brought it as a young tree from a 

 grove near Rockford. Tree productive; fruit medium in size, roundish; cavity medium ; 

 suture shallow; skin thick, tough; dark and somewhat purplish-red; bloom thick; dots 

 small; flesh yellow; good; stone large, oval, flattened, clinging; mid-season; listed 

 by the American Pomological Society since 1897. 



Rocky Mountain. Species? i. Can. Hort. 15:157. 1892. 2. Cornell Sta. Bui. 38:80. 

 1892. ' Rocky Mountain Seedling 2. 



Reported in the Canadian Horticulturist as a " heavy cropper and of first quality." 

 Bailey mentions a " Rocky Mountain Seedling " in an unclassified list. The Rocky 

 Mountain described by Waugh is not to be confused with these two varieties as it is 

 undoubtedly a Sand Cherry. 

 Rodney. Domestica. i. Lond. Hort. Soc. Cat. 152. 1831. Rodney Gage i. 



