290 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
D. bracteosum (Michx.) DC. — Dry thickets; occasional in the 
southern i)art of the valley. Great liarrington; Sheffield; Mt. 
Washington (Burnham). 
D. canadense (L.) DC. — Dry open woods, roadsides and banks; 
common in the southern part of the valley. Occasional elsewhere 
(Williamstown). Altitude 1000 feet, Mt. Washington. 
D. Dillenii Darl.- — Borders of dry woods, clearings and thickets; 
frequent in the southern part of the valley. 
D. grandiflorum (Walt.) DC. — Dry woods; common in the 
valley. 
D. nudiflorum (L.) DC- — Dry woods; common in the valley. A 
form with one or two leaves on the scape, occasional. 
D. paniculatum (L.) DC. — Borders of dry woods, thickets and 
clearings; frequent in the southern part of the valle}'. 
D. rotundifolium (IMichx.) DC— {M. Michauxii 111. Fl. ed. 2.) 
Rocky woods with southern exposure; occasional in the southern 
part of the valley. West Stockbridge; Great Barrington; New 
Marlboro; Sheffield. 
GLEDITSIA. Honey Locust. 
G. TRIACANTHOS L. HoNEY LocusT. — Rarely spreading from 
cultivation, Egremont. 
LESPEDEZA. Bush Clover. 
Key to Lespedeza. 
a. Flowers violet-purple, not in close spikes or heads. 
Peduncles slender, mostly exceeding the leaves; stems spreading. Occa- 
sional in New Marlboro and Sheffield L. violacea. 
Peduncles mostly very short, shorter than the leaves; stems erect. Fre- 
quent in the southern part of the valley L.frutescens. 
a'. Flowers whitish or cream color, with a purple spot on the standard; in 
close spikes or heads. 
Peduncles shorter than the dense subglobose heads L. capitata. 
Peduncles elongate, chiefly equalling the cylindric or subcylindric spikes. 
L. hirta. 
L. capitata Michx.— Dry fields and open sandy soil; common in 
the southern part of the valley. 
L. frutescens (L.) Britton. — Dry open woods; frequent in the 
southern part of the valley. 
