HOFFMANN: FLORA OF BERKSHIRE COUNTY. 265 
var. isophylla Fernald. — (S. borealis Man. ed. 7 in part; vid. 
Rhodora, 16: 150, 1914.) 
Wet places; frequent, especially on the plateau. 
Upper leaves long and but slightly reduced, herbaceous throughout; 
flowers few, axillary and terminal. 
S. GRAMiNEA L. — Grassy roadsides and thickets; frequent, espe- 
cially on the plateau. 
S. longifolia Muhl. — ^ Meadows and swampy woods; occasional. 
Florida; Sheffield (Walters). 
S. MEDIA (L.) Cyril). Common Chickweed. — Cultivated ground; 
common. 
PORTULACACEAE. PURSLANE FAMILY. 
CLAYTONIA. Spring Beauty. 
C. caroliniana Michx. Spring Beauty. — Rich or swampy woods; 
frequent. Abundant on the upper slopes of Greylock, and on the 
plateau. Altitude 2300 feet, Florida. 
C. virginiana L. Spring Beauty. — One station in Sheffield 
(Walters). 
PORTULACA. Purslane; Pusley. 
P. oleracea L. Common Purslane; Pusley. — Cultivated and 
waste ground; common. 
CERATOPHYLLACEAE. HORNWORT FAMILY. 
CERATOPHYLLUM. Hornwout. 
C. demersum L. Hornwort. — Ponds and slow streams; com- 
mon. 
NYMPHAEACEAE. WATER LILY FAMILY. 
BRASENIA. Water Siheld. 
B. Schreberi Gmel. Water Shield. — Ponds; frequent. 
CASTALIA. Water Lily. 
C. odorata (Ait.) Woodville & Wood. White Water Lily; 
White Pond Lily. — Ponds and slow streams; common. 
