244 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



SMILAX. Green Brier; Cat Brier, 



S. herbacea L. Carrion-flower. — Thickets in low ground, 

 borders of meadows; common. Altitude 2000 feet, Hancock. 



S. rotundifolia L. Cat Brier; Common Green Brier. — Col- 

 lected only in one station in Sheffield (Walters). 



STREPTOPUS. Twisted-stalk. 



S. amplexifolius (L.) DC. — Rich cool woods; frequent on the 

 plateau, occasional elsewhere. 



S. roseus Michx. — Rich woods and cool swamps ; frequent through- 

 out. Common on the upper portions of The Dome, Mt. Washington. 



TRILLIUM. Trillium; Wake Robix. 



T. cernuum L. Nodding Trillium. — Borders of swamps and 

 alluvial thickets; occasional in the valley. Hinsdale (Lincoln), 

 altitude 1450 feet; Stockbridge; Sheffield (Walters). 



T. erectum L. Purple Trillium. — Rich woods and shaded 

 swamps; common. Altitude 2000 feet, Savoy; 2500 feet, Greylock. 



forma albiflorum f . nov. — CoroUis albis. Flowers white. Type 

 in the herbarium of the N. E. B. C, collected in rich woods, Stock- 

 bridge (R. Hoifmann). 



Gates (Ann. Mo. Bot. Gard., 4: 52, 1917) points out that T. 

 rhomboideum, var. album Michx. applies to the smaller-flowered south- 

 ern species, T. album Small. 



T. undulatum Willd. Painted Trillium. — Cool woods; com- 

 mon. 



UVULARIA. Bellwort. 



U. grandifiora Sm. — Rich woods; common in the valley. 

 U. perfoliata L. — Rich or dry woods; common. 



VERATRUM. False Hellebore. 



V. viride Ait. American White Hellebore. — Shaded swamps, 

 wet meadows, and borders of streams; common. 



AMARYLLIDACEAE. AMARYLLIS FAMILY. 

 HYPOXIS. Star Grass. 



H. hirsuta (L.) Coville. Star Grass. — Open woods and mead- 

 ows; frequent in the valley. 



