Family ROSACEA 135 
1. Rosa pratincola Greene. Prairie Rose. 
Rosa arkansana Porter. 
Common on prairies throughout the state. Anselmo; Antelope 
county; Broken Bow; Cherry county; Frontier county; Laurel; Lin- 
coln; Ponca. 
2. Rosa acicularis Lindl. Prickly Rose. 
Rare in the northwestern part of the state. Long Pine; Sowbelly 
canyon. 
3. Rosa woodsii Lindl. 
Prairies in the northwestern part of the state. Belmont; Cheyenne 
county; Deuel county; Hat Creek basin; Indianola; Red Cloud; 
Sheridan county; Scotts Bluff county; Valentine; Wood Lake. 
4. Rosa setigera Michx. Climbing Rose. 
Woods and thickets in the southeastern part of the state. Nemaha; 
Richardson county; Weeping Water. 
10. Opulaster. 491. 
1. Opulaster opulifolius (L.) Kuntze. Ninebark. 
In thickets near streams in the northeastern part of the state. 
Carns; Long Pine. 
11. Malus. 516. 
1. Malus ioensis (Wood) Britton. Western Crab Apple. 
In woods mostly along the Missouri River. Ainsworth; Nemaha; 
Paddock; Peru. 
12. Crategus. 518. 
Hawthorns. 
Leaves with a broad truncate or cordate base; flowers 1.5-3 cm. 
broad. 1. C. mollis. 
Leaves with a narrow or cuneate base; flowers 10-16 mm. broad. 
Leaves glabrous, or nearly so, beneath. 2. C. succulenta. 
Leaves pubescent, especially along the veins beneath. 
3. C. calpodendron. 
1. Crategus mollis (T. & G.) Scheele. 
In woods in the southeastern part of the state. Bellevue; Lincoln; 
Nemaha; Saltillo. 
2. Crat#gus succulenta Schrader. 
Crategus occidentalis Britton. 
River banks in western Nebraska. Custer county; Grand Rapids; 
Halsey; Hooper county; Kirkwood; Valentine. 
3. Cratezgus calpodendron (Ehrh.) Medic. 
Crategus tomentosa L. 
In woods along streams in the eastern part of the state. Jamaica; 
Omaha; Peru. 
13. Amelanchier. 517. 
Leaves serrate nearly: to the base. 1. A. canadensis. 
Leaves dentate above the middle only. 2. A. alnifolia. 
1. Amelanchier canadensis (L.) Medic. June or Service Berry. 
Along streams in the northeastern part of the state. Ft. Niobrara; 
Ft. Robinson; Grand Island; Johnstown; Long Pine; Nebraska City; 
Nemaha; Peru; South Bend; Valentine; Wahoo; Weeping Water. 
