262 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



SCLERANTHUS. Knawbl. 



S. ANNtrus L. Knawel. — Rocky flood-plain of Green River, Egre- 

 mont; locally common along sandy roadsides in the southern part of 

 Sheffield. 



AIZOACEAE. 



MOLLUGrO. Indian Chickwbed. 



M. VEETiciLLATA L. Carpet Weed. — Cultivated ground, road- 

 sides, sandy shores; common. 



CARYOPHYLLACEAB. PINK FAMILY. 



AGROSTEMMA. Corn Cockle. 



A. GiTHAGO L. CoEN CocKLE. — Rarely adventive in waste land 

 and grain fields. Lanesboro (Chiu-chill) ; Stockbridge. 



ARENARIA. Sandwobt. 

 {Moehringia in. Fl. ed. 2 in part.) 



A. lateriflora L., var. typica (Regel) St. John.^ {A. lateriflora 

 Man. ed. 7 in part, md. Rhodora, 19; 260, 1917; Moehringia lateri- 

 flora 111. Fl. ed. 2.) 



Occasional in the southern part of the valley. Dry bank neat the 

 Housatonic River, Stockbridge; moist soil near the Housatonic River, 

 Sheffield (Walters) ; moist place on old road, Mt. Washington (Weath- 

 erby). 



Leaves puberulent on the margins and on the midribs beneath, or 

 occasionally puberulent throughout. 



A. macrophylla Hook. — {Moehringia macrophylla 111. Fl. ed. 2.) 



On serpentines' ledges in dry hypnum, Florida (Fernald). 



A. SEEPTLLiFOLiA L. — Dry soil on hillsides, sand-plains and along 

 railroad tracks; locally common in the southern part of the valley. 



A. stricta Michx. — Exposed limestone rocks, Sheffield (Walters) ; 

 limestone outcrops, New Marlboro. 



CERASTIUM. Mouse-ear Chickweed. 



C. AKVENSE L. Field Mouse-ear Chickweed. — On lawns; 

 occasional. Pittsfield (Lincoln) ; dry field. West Stockbridge (Evans, 

 Fernald and EJaowlton); Great Barrington (Walters). 



Indigenous on serpentine ledges in Florida (Fernald and Long). 



