304 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
Borders of ponds und streams; frequent. 
The var. lucvigatus is glabrous with l)right green leaves as con- 
trasted with var. jmbescens wiiich has the stem and lower surface of 
the leaves more or less tomentose-pubescent. 
LYTHRUM. LoosKsTWFE. 
L. alatum Pursh. — Swampy meadows (calcareous), Stockbridge; 
Sheffield. 
L. Salicaria L. Spiked Loosestrife. — Borders of streams and 
wet meadows; now frequent along the Hoosac and Housatonic Rivers 
and their tributaries. 
ONAGRACEAE. EVENING PRIMROSE FAMILY. 
CIRCAEA. Enchanter's Nightshade. 
C. alpina L. — Cool woods; frequent. 
C. canadensis Hill. — (C. intermedia Man. ed. 7 and 111. Fl. ed. 2; 
vid. Rhodora, 19: 87, 1917.) 
Moist gravelly soil; occasional. Wet slide above brook, Cheshire 
(Churchill); border of Lake Averic, Stockbridge; flood-plain of Bash 
Bish Brook, Mt. Washington; moist clearing, Sheffield. 
Generally only a few plants in a station, suspiciously intermediate 
between C. alpina and C. latifolia. 
C. latifolia Hill. — (C. lutetiana Man. ed. 7; vid. Rhodora, 17: 
223, 1915.) 
Woods and clearings; common. 
EPILOBIUM. Willow-herb. 
E. angustifolium L. Fire-weed. — Clearings and borders of 
woods; common. 
forma albiflorum (Dumort.) Haussk. — Harvey Mt., West Stock- 
bridge. 
E. coloratum Muhl. — ^ Ditches, wet roadsides and swamps; 
common. 
E. densum Raf.— (E. lincare 111. Fl. ed. 2.) 
Swamps; common. 
E. glandulosum Lehm., var. adenocaulon (Haussk.) Fernald. — 
(E. adenocaulon Man. ed. 7 and 111. Fl. ed. 2; vid. Rhodora, 20: 35, 
1918.) 
