HISTORY, PROGENY, AND LOCATIONS OF CRABAPPLES 41 



cv. J. L. Pierce* 



Discovered in 1955 in the Detroit, Mich., garden of Mr. and 

 Mrs. J. L. Pierce, by Milton Baron of Michigan State Univ. 

 Original plant, destroyed by fireblight around 1963, was purchased 

 from the Henry Kohankie Nurseries, Painesville, Ohio, as M. zumi 

 cv. Calocarpa. 



Introd. by Michigan State Univ., East Lansing, Mich. Michigan 

 State Univ. considers this cultivar to be a form of M. X robusta* 

 with much more lustrous foliage. 



Description : Flowers ; single, white. Fruit ; red, approx. 1.3 cm. 

 in diam. 



Location: (E). 



cv. Jenison* 



Probably originated among a group of unnamed seedlings dis- 

 tributed around 1940 by the Arnold Arboretum. 12 The named 

 specimen is located near the main entrance of Jenison Gymnasium 

 on the campus of Michigan State Univ., East Lansing. 



Introd. by Michigan State University before 1966. 



Description: Flowers; single, white. Fruit; pyriform in shape, 

 bright red, approx. 1.8 cm. in diam. 



Location: (E). 



cv. Joan u 



Listed by Wyman (67) as a clone of M. X robusta*. 



Discovered in 1918 near Smith Street, Rochester, N.Y., by John 

 Dunbar, former propagator for the Rochester Parks System. 

 Named for his granddaughter. 



Description : Flowers ; single, white, approx. 5 cm. across. Fruit ; 

 red and yellow, approx. 3.5 cm. in diam. 



Locations: (C), (0), (S). 



cv. Jubilee* 



M. pumila var. niedzwetzkyana 



cv. Hopa*-i 



M. baccata J = cv. Jubilee * 



Unknown—! 



] 



12 In 1939 the Arnold Arboretum offered for distribution approximately 

 2,000 unnamed young crabapple plants. These plants were all open pollinated 

 seedlings of other Arnold Arboretum crabapples. For a more detailed account 

 of the proposed distribution of these plants, see Skirm, G. W. (54.). 



13 Not to be confused with M. cv. Joan (M. cv. Anisim (apple) X M. cv. 

 Jonathan (apple). See Fisher, H. H. (25, p. 122). 



