350 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



S. caesia L. — Dry woods and clearings; common. 



var. axillaris (Pursh) Gray. — Rich woods; frequent in the valley. 



var. paniculata Gray. — Rich woods; occasional. Pittsfield; 

 Sheffield. 



Neither of the above varieties is very well marked in the field. 



S. canadensis L. — Low ground; occasional. Lenox; Stockbridge; 

 Sheffield. 



Generally replaced by the var. Hargeri. 



var. Hargeri Fernald.^Low ground; frequent in the valley and 

 along the Deerfield River, Florida. 



Stems villous; leaves closely cinereous-puberulent beneath, thus 

 resembling S. altissimus L., from which it differs in having the tiny 

 heads of S. canadensis. The villous stems suggest S. rugosa from 

 which the triple-nerved leaves distinguish it {vid. Rhodora, 17: 11, 

 1915). 



S. graminifolia (L.) Salisb., var. Nuttallii (Greene) Fernald. — 

 (Euthamia graminifolia 111. Fl. ed. 2 in part.) 



Low open ground, moist roadsides; common. Summit of Grey- 

 lock, 3500 feet. 



S. hispida Muhl. — Open rocky woods and dry soil; frequent in the 

 southern part of the valley. 



S. juncea Ait. — Dry thickets, roadsides and open fields; com- 

 mon. 



S. latifolia L.— (S.fiexicaulis 111. Fl. ed. 2.) 



Shaded banks, rocky woods and moist thickets; common in the 

 valleys. Occasionally in swamps, Sheffield. Altitude 2500 feet, 

 Greylock. 



S. macrophylla Pursh. — Common on the upper slopes of Greylock, 

 above 2500 feet. The only known station in Massachusetts. 



S. neglecta T. & G. — ■ Swampy meadows, bogs a nd ill-drained hill- 

 sides; frequent. 



S. nemoralis Ait. — Dry fields; common. 



S. suaveolens Schoepf. — (S. odora Man. ed. 7; vid. Rhodora, 21: 

 70, 1919.) 



Dry thickets; occasional in Great Barrington and Sheffield. 



S. patula Muhl. — Swamps, in calcareous soil; common. 



S. puberula Nutt. — Rocky hill -tops, in disintegrated quartzite 

 and schist; Monument Mt., Great Barrington; Tom Ball, Alford; 

 The Dome, Mt. Washington; clearing in dry woods, Sheffield. Also 



