26 NATL. ARBORETUM CONTRIB. NO. 2, U.S. DEPT. AGR. 



Railway Company, Winnipeg, Manitoba, Canada. Formerly Mor- 

 den 452. 



Description: Flowers; single, expanding buds deep maroon or 

 purple red, open purple red with claw and base of petals and 

 center vein pale lavender to nearly white, approx. 4.5 cm. across. 

 Fruit; maroon, approx. 2.3 cm. in diam. 



Locations: (C), (H), (I), (P), (Q), (R). 



cv. Aired* 



M. pumila var. niedzwetzkyana . 



cv. Hopa* 1 



M. baccata 1 = cv. Aired* 



Unknown ' 



An open pollinated seedling. 



Introd. by the Provincial Horticultural Station, Brooks, Alberta, 

 Canada. First distributed in 1937, Formerly B.F. #4. Distributed 

 for testing by introducer under No. AL-14-B-4. Extremely hardy. 

 Disease free (41). 



Locations: (I), (Q). 



cv. Amisk* 



An open pollinated seedling of Mains pumila var. niedztvetzk- 

 yana. 



Originated in 1920 and introd. by the Central Experimental 

 Farm, Canada Dept. of Agr., Ottawa, Ontario, Canada. Selected 

 by Miss Isabella Preston and named in 1930 for Amisk Lake in 

 northeastern Saskatchewan, on the Manitoba border. 



Description: Flowers; single, expanding buds carmine, open 

 pink, approx. 5 cm. across. Fruit ; red and yellow, approx. 3.5 cm. 

 in diam. 



Locations: (H), (I), (0), (Q). 



cv. Amsib 



Mains ioensis X M. baccata. The M. ioensis used in this cross was 

 a wild red-fruited selection from Iowa, possibly a hybrid. The 

 M. baccata was grown from seed brought by N. E. Hansen in 1906 

 from Moscow, Russia. 



Originated and introd. in 1932 by Niels E. Hansen, South 

 Dakota Agricultural Experiment Station, Brookings, S. Dak. The 

 name "Amsib" is a combination of "AM" from America and 

 "SIB" from Siberia, which represents the origin of the parents. 



Description: Fruit; green with dull red blush, approx. 3.5 cm. 

 in diam. 



Location: (Q). 



