246 



Rhodora 



[December 



Saxifkagaceae. 



Saxifraga pennsylvanica L. . . . 



rivularis L 



stellaris L., var. comosa 

 Wilkl 



virginiensis Michx. . . . 

 Tiarella cordifolia L 



IIamamelidaceae. 



Hamamelis virginiana L 



Liquidambar Styraciflua L. . . . 



Platanaceae. 

 Platanus occidentalis L. . . . 



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Notes upon the above Lists. 



For several of the Rhode Island records I have relied on reports 

 by J. Franklin Collins, of specimens in his own herbarium and that 

 of Brown University. 



Aatilbe japonica was collected on wastes in Providence by Mr. 

 Collins in 1891 and 1892. The species maintained itself for several 

 years. 



Deutzia is often persistent in old gardens and nurseries, but 

 I have found no record of D. gracilis Sieb. & Zucc. as spontaneous 

 or spreading. 



Hydrangea panivulata Sieb. often persists for years without culti- 

 vation, but does not spread. //. cincrca in the above list is escaped 

 only at Groveland, Mass. //. qncrcifolia has been found at Norwalk, 

 Conn., by Dr. E. H. Fames, in a large colony spread from former 

 cultivation. As this species is not considered hardy in New England 

 (Bailey, Cyclopedia G f Horticulture), it will be interesting if this 

 station persists. 



Mitclla diphylla is credited to Maine in the second Portland Cata- 

 logue, but I can find no specimens of it. Mr. Arthur H. Norton has 

 written me from the Portland Society of Natural History: "I sus- 

 pect that the inclusion in our Second Portland Catalogue may rest 



