Shafer : Vascular Flora of Allegheny County. 33 



§ L. striatum Walter. Ridged yellow flax. 



* L. usitatissimum Linnaeus. Common flax. 



Spontaneous, especially along railroad tracks. 



GERANIACEiE J. St. Hilaire. 



GERANIUM FAMILY. IV-50. 



GERANIUM Linnaeus. 



* G. maculatum Linnaeus. Crane's-bill. 



* G. Carolinianum Linnaeus. Carolina crane's-bill. 



Pittsburgh, Stanton Ave., June 14, 1884. 



* G. pusillum Linnaeus. Small flowered crane's-bill. 



LIMN ANTE ACE^ Lindlc}-. 



FALSE MERMAID FAMILY. IV-61. 



FL(ERKEA Willdenow. 



* F. proserpinacoides Willdenow. False mermaid. 



OXALIDACE^ Lindley. 

 WOOD-SORREL FAMILY. 10-51. 

 OXALIS Linnaeus. 

 § 0. Acetosella Linnceus. True wood-sorrel. 



* 0. violacea Linnaeus. Violet wood-sorrel. 



* 0. corniculata Linneeus. Yellow procumbent wood-sorrel. 



A weed about greenhouses. 



* 0. Stricta Linnaeus. Upright yellow wood-sorrel. 



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