364 SYSTEMATIC POMOLOGY 



KEY TO VARIETIES OF PLUMS 



A. Plums green, yellow, or purple but not clierry- 

 red. 



B. Size of fruits large, IMj inchea or more in 

 diameter. (Domesticas) 

 C. Color of fruits green or yellow. 



D. Fruit large to very large; long-oval; 

 late or very late. 

 E. Stem long, with a fleshy collar; apex 



round ; late 562. Yellow Egg. 



EE. Stem short; apex depressed; very 



late 563. Golden Drop. 



DD. Fruit of medium size; round-oval. 

 E. Surface more or less mottled and 

 blushed with red. 

 F. Skin greenish-yellow, with green 



splashes; blush faint 564. Washington. 



FF. Skin bronze-yellow ; blush distinct . 565. Jefferson. 

 E. Surface not mottled or blushed with 

 red. 

 F. Skin yellow streaked and splashed 



with green ; midseason 566. Reine Claude. 



FF. Skin straAv -yellow, scarcely streaked 



or splashed ; late 567. Bavay. 



CC. Color of fruits black- or blue-purple. 

 D. Stone free. 



E. Fruits markedly compressed and swol- 

 len on the suture side. 

 F. Medium to large; dots conspicuous; 

 stem 1 inch long, inserted on side of 



base 568. Italian Prune. 



FF. Medium in size; dots inconspicu- 

 ous; stem % inch long 569. German Prune. 



EE. Fruits scarcely compressed and swol- 

 len on suture side. 

 F. Suture shallow and indistinct. 



G. Shape round-oval; stem % inch 



long; dots inconspicuous; late.... 570. Quackenboss. 

 GG. Shape ovate; stem i/o inch long; 



dots conspicuous; midseason 571. Pacific. 



FF. Suture broad, prominent; stone 



necked 572. Arch Duke. 



DD. Stone clinging. 



E. Suture shallow and indistinct. 



F. Shape ovate, halves equal; flesh 



greenish-yellow; midseason 573. Gueii. 



FF. Shape round-oval, halves unequal; 



tlesh golden-yellow; late 574. Monarch. 



EE. Suture wide and prominent; stone 

 not necked 575. Grand Duke. 



