Family ROSACEA 133 
4. Potentilla pentandra Engelm. 
Probably over most of the state. Aten; Chadron; Cherry county; 
Ft. Niobrara; Lincoln; Whitman. 
5. Potentilla millegrana Engelm. 
Throughout the state. Lincoln; Louisville; Newark; Weeping Water. 
7. Potentilla paradoxa Nutt. Bushy Cinquefoil. 
Probably occurs over most of the state, but not common. Antelope 
county; Aten; Broken Bow; Cherry county; Lewellen; Lincoln; 
Omaha; Sioux county; Wood Lake. 
8. Potentilla anserina L. Silver-weed. 
Angentina anserina (L.) Rydb. 
In the northwestern part of the state. Keith county; St. Paul; 
Scotts Bluff county. 
(Potentilla bipinnatifida Doug]. and Potentilla platyloba Rydb. occur 
in Nebraska, according to Rydberg’s Flora of Colorado.) 
2. Drymocallis. 499. 
1. Drymocallis agrimonioides (Pursh) Rydb. 
In low prairies and meadows throughout the state. Antelope county; 
Aten; Broken Bow; Cherry county; Lincoln; Sioux county; Valentine. 
3. Fragaria. 500. 
Achenes sunken in pits on the surface of the ovoid receptacle; fruit- 
ing scape shorter than the leaves. 1. F. virginiana. 
Achenes on the smooth surface of the elongated-conic receptacle; 
fruiting scape longer than the leaves. 2. F. americana. 
1. Fragaria virginiana Duchesne. Wild strawberry. 
In low prairies, common in the eastern part of the state. Crete; 
Chadron; Long Pine; Lincoln; Peru; Weeping Water. 
2. Fragaria americana (Porter) Britton. 
Sides of bluffs and canyons in the western part of the state. An- 
selmo; Belmont; Hat Creek basin; Plummer Ford; Valentine. 
4. Geum. 507. 
Petals white or cream-colored, scarcely longer than the sepals. 
Plant rough pubescent; petals creamy-white. 1. G. virginianum. 
Plant finely pubescent or glabrate; petals white. 2. G. canadense. 
Petals golden-yellow, much exceeding the sepals. 
Terminal leaflet of the basal leaves broadly ovate or cuneate; re- 
ceptacle downy. 3. G. strictum. 
Terminal leaflet of the basal leaves orbicular or cordate; recepta- 
cle nearly naked. 4. G. macrophyllum. 
1. Geum virginianum L. Rough Avens. 
In woods in the southeastern part of the state. Lincoln; Talmage. 
2. Geum canadense Jacq. White Avens. 
Common in woods throughout the state. Anselmo; Aten; Lincoln; 
Neligh; Peru; Saltillo; Sioux county; Talmage; Thomas county; 
Wahoo. . 
3. Geum strictum Ait. Yellow Avens. 
Meadows in the northwestern part of the state. Belmont; Natick; 
Thedford; Valentine. 
4. Geum macrophyllum Willd. 
Rare in meadows. Natick. 
