Shafer : Vascular Flora of Allegheny County. 61 



LACINARIA Hill. 

 LTA TRIS Schreber. 

 f L. squarrosa (Linnceus). Colic-root. 



SOLIDAGO Linnteus. 



* S. squarrosa Muhlenberg. Stout ragged golden-rod. 



* S. caesia Linnaeus. Woodland golden-rod. 



* S. flexicaulis Linnaeus. Zig-zag golden-rod. 

 .S. latifoUa Linnaeus. 



* S. bicolor Linnaeus. Silver-rod. 



* S. rugosa Miller. Wrinkled golden-rod. 



* S. patula Muhlenberg. Spreading golden-rod. 



Avalon, branch of Spruce Run, near stone bridge, September, 

 1896, James Semple. 



O'Hara Township, swamp near Allegheny City Poor Farm, Oc- 

 tober, 1899. 



* S. ulmifolia Muhlenberg. Elm-leaved golden-rod. 

 f S. neglecta Torrey & Gray. Swamp golden-rod. 



* S. juncea Alton. Early golden-rod. 



t S. arguta Alton. Cut-leaved golden-rod. 

 f S. rupestris Rafinesque. Rock golden-rod. 



* S. serotina Alton. Late golden-rod. 



