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. pur- 
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; conmion in the valley. Apparently confined to 
calcareous soil. On a moist hillside shaded I)y i)incs, New Marlboro. 
PHILADELPHUS. Mock Oraxck; Syhinoa. 
P. inodorus L. — Occasionally escaping from cultivation to road- 
side banks. Stockbiid^'c; Moii1crc\ . 
