No. 14.] FLOWERING PLANTS AND FERNS. 215 



Frequent. Dry or moist roadsides, fields, thickets and 

 about old dwellings. Aug. — Sept. Naturalized from Europe. 

 Rarely seen in flower. 



SEMPERVIVUM L. Houseleek. 

 Sempervivum tectorum L. (of dwellings). 

 Houseleek. Hen-and-chickens. 



Rare. Milford, long persistent and spreading from 

 former cultivation (Eames). July — Aug. Introduced from 

 Europe. 



SAXIFRAGACEAE. SAXIFRAGE FAMILY. 

 SAXIFRAGA L. Saxifrage. 



Saxifraga pennsylvanica L. 



Swamp Saxifrage. 



Swamps and wet meadows. Rare near the coast, occa- 

 sional or frequent elsewhere. May — June. 



Tlie form with crimson petals has been collected at 

 New Milford by Miss S. R. Armington. 



Saxifraga virginiensis Michx. 



Saxifrage. Early or Spring Saxifrage. Mayflower. 



Frequent or common. Ledges, banks and in rocky woods. 

 April — early June. 



A form with double flowers occurs at Kent (H. Mosher). 



TIARELLA L. False Miterwort. 



Tiarella cordifolia L. (having heart-shaped leaves). 

 Foam-flower. False Miterwort. Coolwort. 



Rich, wet and often rocky woods. Rare or local in most 

 districts: North Branford (F. W. Hall), New Haven (D. C. 

 Eaton), Bridgeport (Eames), Torrington (Mrs. C. S. 

 Phelps), Kent (C. K. Averill). Frequent in Granby and 

 northern Litchfield County. May — mid- June. 



A beautiful plant well worthy of cultivation. Herb 

 medicinal. 



HEUCHERA L. Alum Root. 



Heuchera americana L. 



Common Alum Root. American Sanicle. 



