HOFFMANN: FLORA OF BERKSHIRE COUNTY. 293 



Lenox (altitude 1000 feet). Occurs in rich woods on Hancock Mt. 

 and toward the summit of The Dome, Mt. Washington. 



O. corniculata 1,. Lady's Sorbel.— (Z. cymosa 111. Fl. ed. 2.) 



Fields and cultivated ground; common. Occasionally under pines 

 in moist ground. 



O. filipes Small.— (Z. filipes 111. Fl. ed. 2.) 



Dry hills, generally calcareous; occasional. Williamstown; West 

 Stockbridge; Sheffield. 



O. KEPENS Thurb. — (Z. corniculata 111. Fl. ed. 2.) 



A weed in gardens and greenhouses. Lenox (Jenkins); Stock- 

 bridge. Probably in all large greenhouses. 



O. stricta L.— (Z. stricta 111. Fl. ed. 2.) 



Dry fields and barren hillsides; occasional. Stockbridge; Great 

 Barrington (Walters); New Marlboro; Egremont. 



ERODIUM. 



E. cicuTAKiUM (L.) L'Her. Stobksbill. — On dump at woolen 

 mill, Pittsfield; a garden weed, Stockbridge. 



GERANIACEAE. GERANIUM FAMILY. 

 GERANIUM. Geranium. 



G. Bicknellii Britton. — Ledges and rocky ridges; occasional. 

 North Adams (Fernald and Long); West Stockbridge; Mt. Washing- 

 ton (Walters); Sheffield. 



G. maculatum L. Wild Cranesbill. — Open woods, copses and 

 fields; common. 



G. MOLLE L. — Adventive in lawn, Stockbridge. 



G. PUSiLLXJM Burm. f. — Adventive in chicken-yard, Stockbridge. 



G. Robertianum L. Herb Robert. — {Robertiella Robertiana 

 111. Fl. ed. 2.) 



Moist rich or rocky woods, and on open ledges; common in the 

 valley. Altitude 1300 feet, Tyringham. 



RUTACEAE. RUE FAMILY. 

 PTELEA. Hop Tree. 



P. TRiFOLiATA L. Hop Tree. — Escaping from cultivation. Stock- 

 bridge. 



