350 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
S. caesia L. — Dry woods and clearings; common. 
^•ar. 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. Ilargeri. 
var. Hargeri Fernald. — Low ground; frequent in the valley and 
along the Deerficld River, Florida. 
Stems villous; leaves closely cinereous-puberulent beneath, thus 
resembling S. altisslmus 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 Mulil. — 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 
