110 
Cypripedium acaule, Ait. (Common Lapy’s SLIPPER.) 
Common in rather dry woods, chiefly under conifers. 
Var. alba. 
Leaves lighter green, flowers large, pure white. There are light 
colored flowers On the ordinary plants, but the flowers of the va- 
riety are whiter still. Georgetown (Mrs. Horner), Beverly (G. 
D. Phippen), N. Reading. Scarce, 


AMARYLLIDACEA. 
(AMARYLLIS FAMILY.) 
Hypoxys erecta, LZ. (STAR-GRAss.) 
Damp places, among other plants. Common. 
IRIDACEZ. 
(Ir1s FAMILY.) 
Iris versicolor, Z. (BLUE FxLaG.) 
Common in meadows and by brooks. 
Iris Virginica, Z. (SLENDER BLUE FLAG.) 
‘¢ Stony brook, Johnson’s field, Lynn” (Tracy), Andover abundant, 
Ipswich (Oakes), etc. Not so common as the last except in the 
vicinity of Andover where it is the prevailing species. 
a rer ae ae a mre 
ae 
Sisyrinchium Bermudiana, LZ. (BLUE-EYED Grass.) 
Fields, etc. Common. 
SMILACES. 
(SmiLax FaMILy.) 
Smilax rotundifolia, Z. (GREENBRIER.) 
Thickets. Common. : 
Smilax herbacea, Z. (CARRION FLOWER.) ; 
~ Roadsides and moist fields. Frequent. 
LILIACEA. 
(LiLy FaMILy.) 
Trillium erectum, Z. (PurRPLE TRILLIUM.) 
Blind Hole Swamp, Danvers (J. H. Sears). Along the Ipswich 
river, Swampscott, 1879 (W. P. Andrews). ‘‘Saw two plants in 
Swampscott May 12, 1868” (memo. Rey. J. L. Russell). Haverhill 
(Mrs. Downs). Occasional. 
~ epee 
