Shafer: Vascular Flora ok Allegheny County. 45 



=!= R. Americanus (Persoon). Dwarf raspberry. 

 R. tr/flonis Richards. 



* R. villosus Alton. High bush blackberry. 



§ R. Alleghaniensis Porter. Mountain blackberry. 



* R. hispidus I>innteus. Running swamp blackberry. 



Harrison Township, swamp below Joseph Johnston's house, July, 

 1897. 



=i^ R. Canadensis Linnasus. Dewberry. 



DALIBARDA Linnaeus. 

 -j- D. repens Linnaeus. Dalibarda. 



GEUM Linnjeus. 



* G. Canadense Jacquin. White avens. 

 G. album (imelin. 



f G. Virginianum Linnceus. Rough avens. 



* G. strictum Alton. Yellow avens. 



Hampton Township, ditches, P. & W. R. R., north of Semple 

 Station, Aug. loth, 1900. 



* G. vernum {Rafines(|ue). Spring avens. 



WALDSTEINIA Willdenow. 



* W. fragarioides (Michaux). Barren strawberry. 



FRAGARIA Linnceus. 

 f F. Virginiana Duchesne. Scarlet strawberry. 



I F. vesca Linn?eus. European wood strawberry. 



