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



Locations: (A), (B), (C), (D), (J), (S). 



M. ioensis (Wood) Britt. cv. Boone Park 



A clone of M. ioensis discovered by Arie F. den Boer and Clyde 

 Heard in 1940 growing in Boone Park, Boone, Iowa. 



Introd. by Arie F. den Boer and Clyde Heard of Des Moines, 

 Iowa. 



Description: Flowers; single, expanding buds rose red to deep 

 rose pink, open light rose pink, back of petals and veins darker 

 pink, approx. 4 cm. across. Fruit; dull green to dull yellowish 

 green, approx. 3 cm. in diam. 



Locations: (A), (B), (D). 



M. ioensis cv. Fimbriata 



A. D. Slavin in Am. Midland Nat. 12: 363 (1931) as M. ioensis 

 f. fimbriata. 



Introd. by the Parks System, Rochester, N.Y. A seedling selected 

 by Bernard H. Slavin, Superintendent of the Parks System, Ro- 

 chester, N.Y. Named in 1931 by his son Arthur D. Slavin. Name 

 refers to the finely fringed edges of the petals. 



Description : Flowers ; expanding buds brownish red to red, open 

 shell pink, approx. 5 cm. across. This cultivar seldom, if ever, 

 produces fruit. 



Locations: (E), (J). 



M. ioensis cv. Fiore' s Improved 



A seedling selection from a group of M. ioensis seedlings grow- 

 ing in a seedbed at Charles Fiore Nurseries, Inc., Prairie View, 111. 



Introd. by Charles Fiore Nurseries before 1964. 



Description: Flowers; twice the size of M. ioensis flowers, oc- 

 casionally semidouble with color similar to M. ioensis cv. Plena. 

 Fruit; 1/3 larger than those of M. ioensis. Bark; very smooth, 

 light gray over the entire plant. 



Location: (E). 



M. ioensis cv. Nevis 



Discovered in 1930 by James Arrowwood near Nevis, Minn. 



Introd. by Niels E. Hansen, South Dakota Agricultural Experi- 

 ment Station, Brookings, S. Dak. This cultivar, which is considered 

 a seedling of M. ioensis (67), is a dwarf that bears when only 4 

 ft. tall. 



Description : Flowers ; single, pink, approx. 4 cm. across. Fruit ; 

 green, approx. 3 cm. in diam. 



