126 ROSALES 



3. Rubus nigrobaccus Bailey. Blackberry. 



Rubus allegheniensis Porter. 

 Borders of woods in the southeastern part of the state. Lincoln; 

 Nemaha; Talmage. 



6. Cercocarpus. 509. 



1. Cercocarpus parvifolius H. & A. Mountain Mahogany. 



Cercocarpus montanus Raf. 

 On dry hills in the northwestern part of the state. Banner County; 

 Scotts^ Bluff County. 



7. Sanguisorba. 512. 



1. Sanguisorba sanguisorba (L.) Britton. 

 Escapes from cultivation. Lincoln. 



8. Agrimonia. 511. 



Larger leaflets 5-7. 



Stem hirsute. 1. A. hirsuta. 



Stems glabrous or nearly so. 2. A. striata. 



Larger leaflets 9-19. 3. A. parvilflora. 



1. Agrimonia hirsuta (Muhl.) Bicknell. 

 Agrimonia gryposepaia Wallr. 



Boelus; Grand Island; Valentine. 



2. Agrimonia striata Michx. 



In woods throughout the state. Banner County; Belle vue; Belmont; 

 Dukeville; Hooker County; Indianola;' Lincoln; Long Pine; Sioux 

 County. 



3. Agrimonia parvilflora Soland. 



In the southeastern part of the state. Endicott; Fairbury. 



9. Rosa. 512. 



Styles distinct; leaflets usually 5-9. 

 Infrastipular spines wanting; stems densely armed with prickles. 

 Flowers usually several, about 5 cm. broad. 1. R. arkansana. 

 Flower solitary, terminal, 6-7 cm. broad. 2. R. engermannil. 



Infrastipular spines present; stems less densely armed or naked 

 above. 

 Petioles not glandular; stipules merely glandular toothed oi 

 entire. 3. R. maximiliani. 



Petioles and stipules densely glandular. 4. .R. fendleri. 



Styles united; stems climbing; leaflets usually 3. 5. R. setlgera. 



1. Rosa arkansana Porter. 

 Rosa pratincola Greene. 



Common an prairies throughout the state. Anselmo; Antelope Coun- 

 ty; Broken Bow; Cherry County; Frontier County; Laurel; Lincoln; 

 Ponca. 



2. Rosa engeimannii S. Wats. 

 Rosa sayi Schwein. 



Rare in the northwestern part of the state. Long Pine; Sowbelly 

 Canon. 



