336 THE CHERRIES OF NEW YORK 



stem long, stout; skin tough, dark purplish-red; flesh streaked and flecked with light red, 

 firm, juicy, mild subacid; very late; productive. 



Yellow Glass. P. avium. i. la. Sta. Bui. 19:551. 1892. 2. Ibid. 73:89. 1903. 

 3. Wash. Sta. Bui. 92:32. 1910. 



Yellow Glass was introduced from North Silesia by Professor J. L. Budd, Ames, Iowa. 

 Tree large, upright, with abtmdant foliage; fruit medium to above in size, roundish-cordate; 

 cavity deep; stem long; suture a line; skin thin, tough, light lemon in color; flesh flrm, 

 yellow, meaty, sweet, with colorless juice; quality good; stone large, round, clinging. 

 Young Large Black Heart. P. avium, i. Pioneer Nur. Cat. 16. 1905-06. 



Merely listed in the reference given. 

 Yuksa. P. pumila X P. armeniaca. i. S. Dak. Sta. Bui. 108:1908. 



Yuksa is noted in the reference as a cross between the Sand Cherry and the New 

 Large Apricot. 

 Zinuntkirsche. P. cerasus. i. Dochnahl Ftihr. Obstkunde 3:64. 1858. 



Fruit medium in size, round, flattened at the stem, without a suture; cavity deep; 

 stem long; skin thin, dark red almost black; flesh aromatic, subacid; stone oval-pointed. 

 Zweifarbige Kirsche. Species? i. Mathieu Nom Pom. 382. 1889. 



Bicolor. 2. Mas Pom. Gen. 11:1 5g. 1882. 



Listed without a description. 

 Zwitterkirsche. Species? i. Mas Pom. Gen. 11:162. 1882. 



Mentioned in this reference. 

 Zzuckser Schwarze Knorpelkirsche. P. avium, i. Dochnahl Fiihr. Obstkunde 3:35. 

 1858. 



Fruit large, elongated, sides strongly compressed; suture shallow; apex depressed; 

 skin reddish-black; flesh very dark red, pleasing, slightly sweet; ripens in late July. 



