332 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
Dry calcareous hill, Sheilield. The most eastern known station. 
var. LAEViGATUS (Fernald) IMake. — (S. racemosus 111. Fl. ed. 2 in 
part; nd. Rhodora, 16: 119, 1914.) 
Roadside banks; occasionally escaping from cultivation. 
TRIOSTEUM. House Gentian. 
T. aurantiacum Bickncll. — Rocky woods and dry thickets; fre- 
quent in the southern part of the valley. 
VIBURNUM. Viburnum. 
V. acerifolium L. Maple-leaved Viburnum. — Woods; com- 
mon. 
V. affine Bush. — {V . pubescrns Man. ed. 7 and 111. Fl. ed. 2; vid. 
Rhodora, 20: 14, 1918.) 
Rocky woods, on schist, West Stockbridge Mt., West Stockbridge. 
The only station known in Massachusetts. 
V. alnifolium Marsh. Hobble-bush. — Cool woods and swamps; 
common. Occasionally growing as a small tree. 
V. cassinoides L. — Swamps and low thickets; common. 
V. dentatum L. Arrow-wood. — Borders of streams and marshes, 
wet hillsides; common, especially on the plateau. 
V. Lantana L. Wayfaring Tree. — Occasionally escaping from 
cultivation to open woods, Stockbridge. 
V. Lentago L. Sweet Viburnum; Sheepberry; Nannyberry. 
— Thickets, moist woods and banks of streams; frequent. 
var. sphaerocarpum Gray. — Occasional with the type, Pittsfield. 
V. opulus L., var. americanum (Mill.) Ait. High-bush Cran- 
berry. — Swamps and cold woods; frequent. 
VALERIANACEAE. VALERIAN FAMILY. 
VALERIANA. Valerian. 
V. OFFICINALIS L. Garden Valerian. — Grassy roadside, Lanes- 
boro (Churchill). 
DIPSACACEAE. TEASEL FAMILY. 
DIPSACUS. Teasel. 
D. SYLVESTRis Huds. WiLD Teasel. — Established in a few small 
stations in Sheffield. 
