HOFFMANN: FLORA OF BERKSHIRE COUNTY. 351 
frequent on dry banks and sandy shores along the Deerfield River, 
Florida. 
S. Randii (Porter) Britton. — Ledges on the borders of Guilder 
Pond (altitude 2000 feet) and Plantin Pond, Mt. Washington. The 
only known stations in Massachusetts. 
S. rigida L. — Dry limestone hillside, Sheffield. A large colony, 
scattered over several acres. The only known station in the County 
and the second in the State. 
S. rugosa Mill. — Borders of fields and thickets; common. Sum- 
mit of Grey lock, 3500 feet, with the variety. 
var. villosa (Pursh) Fernald. — Summit of Greylock, some typical 
material but often running into the type. 
S. serotina Ait. — Banks of streams and low ground; common in 
the valley. 
var. gigantea (Ait.) Gray. — Low ground; frequent. 
S. speciosa Nutt. — Frequent in Sheffield in mead(^ws and on 
open hillsides (Walters). 
S. squarrosa Muhl. — Rocky banks of streams and dry wooded 
banks; occasional. Frequent along the Deerfield River, Florida; 
along a wood road, Great Barrington; clearing in dry woods, Sheffield; 
near Bash Bish Falls, Mt. Washington. 
S. uliginosa Nutt. — Bogs; frequent in the valley. 
S. ulmifolia Muhl. — Occasional on dry hills, Sheffield. 
SONCHUS. Sow Thistle. 
S. ARVENSis L. — Garden weed, Lenox. 
var. GLABRESCENS Wimmcr & Grabowski. — (S. arvensis Man. od. 7 
in part.) 
Adventive along railroad track, Lenox. 
A variety in which the involucres and pedicels are entirely glabrous 
(vid. Rhodora, 12: 145, 1910). 
S. ASPER (L.) Hill. — Waste places; frequent. 
S. OLERACEUS L. CoMMON Sovv TiiiSTLE. — Wastc placcs; fre- 
quent, but less so than S. asper. 
TANACETUM. Tansy. 
T. vuLGARE L. Common Tansy. — Roadsides and about I arm 
buildings; connnon. 
