TIARELLA L. (False Miterwort) 



753 T. CORDIFOLIA L. Common. 



HEUCHERA L. (Alum Root) 



754 H. AMERICANA L. Common in Monroe County. Not reported in 



Lackawanna County. 



MITELLA L. (Miterwort, Bishop's Cap) 



755 M. DiPHYLLA L. Frequent. 



756 M. NUDA L. Swamp on Pocono northeast of Tobyhanna. Rare. 



CHRYSOSPLENIUM L. (Golden Saxifrage) 



757 C. AMERiCANUM Schwein. Common in cold, wet places. 



HYDRANGEA L. 



758 H. ARBORESCENS L. (Wild Hydrangea.) Frequent along mountain 



streams. 



RIBES L. (Currant, Gooseberry) 



759 R. CYNOSBATi L. (Prickly Gooseberry.) Common in rocky woods. 



760 R. ROTUNDiFOLiUM Michx. Lcss common than the above. 



761 R. oxYCANTHOiDES L. (Smooth Gooseberry.) Monroe County, Prof. 



Porter. 



762 R. FLORiDUM L'Her. (Wild Black Currant.) Near Hawley. 



763 R. NIGRUM L. (Black Currant of Gardens.) Clarks Green. 



764 R. LACUSTRE Poir. (Swamp Black Currant.) Elk Mountain. Rare. 



765 R. PROSTRATUM L'Her. (Skunk Currant.) Tobyhanna and adjacent 



regions. 



766 R. vuLGARE Lam. (Red Currant of Gardens.) Occasional escape. 



Near Woodward Breaker, Kingston ; Fuller Farm, Waverly. 



767 R. AUREUM Pursh. (Missouri or Buffalo Currant.) Dalton. 



HAMAMELIDACEAE (Witch-Hazel Family) 

 HAMAMELIS L. (Witch-Hazel) 

 768 H. viRGiNiANA L. Common. 



PLATANACEAE (Plane Tree Family) 

 PLATANUS L. (Sycamore, Buttonwood) 

 769 P. occiDENTALis L. Frequent along creeks and rivers. 



ROSACEAE (Rose Family) 

 PHYSOCARPUS Maxim. (Nine Bark) 



770 P. opuLiFOLius Maxim. Along the Susquehanna. 



SPIRAEA L. 



771 S. SALiciFOLiA L. (Meadow Sweet.) Abundant. 



772 S. roMENTOSA L. (Hardback, Steeple Bush.) Frequent. 



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