HOFFMANN: FLORA OF BERKSHIRE COUNTY. 277 



CRASSULACEAE. ORPINE FAMILY. 



PENTHORUM. Ditch Stonecrop. 



P. sedoides L. Ditch Stonecrop. — Borders of ponds and ditches ; 

 common. 



SEDUM. Stonecrop. 



S. ACRE L. Mossy Stonecrop. — Exposed rocks on roadsides ; 

 occasional in the valley, generally on limestone. Lenox; Egremont; 

 Sheffield. 



S. ternatum Michx. — Apparently indigenous on moist ledges, 

 South Mountain, Pittsfield. Occasional and probably escaped else- 

 where. Stockbridge; Sheffield. 



S. TRiPHYLLUM (Haw.) S. F. Gray. Live-for-ever. — (S. pwr- 

 pureum Man. ed. 7; vid. Rhodora, 11: 46, 1909.) 



Roadsides and dry banks; frequent. Rarely flowers. 



SAXIFRAGACEAE. SAXIFRAGE FAMILY. 



CHRYSOSPLENIUM. Golden Saxifrage. 



C. americanum Schwein. Golden Saxifrage. — Swamps and 

 wet woods; common. 



MITELLA, MiTERWORT. 



M. diphylla L. Miterwort. — Rich woods; common. 



M. nuda L. — Cold swamps, on mossy knolls; frequent in the 

 valley. Not noted outside the calcareous regions. In pine woods, 

 Egremont (Churchill). 



PARNASSIA. Grass of Parnassus. 



P. caroliniana Michx. Grass of Parnassus. — Wet meadows 

 and roadside ditches; common in the valley. Apparently confined to 

 calcareous soil. On a moist iiiilside shaded by pines. New Marlboro. 



PHILADELPHUS. Mock Orange; Syringa. 



P. INODORUS L. — (JccasioiKilly escaping from cultivation to road- 

 side banks. Stockbridge; Monterey. 



