87 : 
Gentiana Andrewsii, Griseb. (CLosED GENTIAN.) 
Quite often found in the region of the last, yet nowhere very com- 
mon. ‘‘The soapwort species (G. saponaria) ” referred to in the 
Proc. E. I., Vol. II, p. 406, as growing in Groveland, is undoubtedly 
amistake, and should be this species of which G. saponaria, Fre, 
is a synonyme. 
Bartonia tenella, Muh. 
Lynnfield (Rev. A. P. Chute, Proc. E. I., Vol. II, p. 47). ‘*Swamp 
at the Pickman Farm, Salem” (memo. Dr. Chas. Pickering). 
Menyanthes trifoliata, Z. (BUCKBEAN.) 
Bogs in the central and northern parts of the county, where it is 
common. Scarce in most other places. Bog-bean would be a 
better name. 
Limnanthemum lacunosum, Griseb. (FLOATING HeEarT.) Quite 
common in ponds. 
. APOCYNACEA. 
(DOGBANE FaMILy.) 
Apocynum androsemifolium, Z. (SPREADING DOGBANE.) 
Frequent. Roadsides and copses. A variety with downy leaves 
and quite deep rose-colored flowers is found at Georgetown by 
Mrs. Horner. 
Apocynum cannabinum, LZ. (Inpran Hemp.) 
Georgetown (Mrs. Horner); Sluice pond, Lynn (Herbert A. Young) ; 
Andover (Mrs. Downs). Shores of the Merrimac at W. Newbury. 
Var. hypericifolium (Gray’s Manual). 
Essex County (Oakes). ‘‘Oakes showed me a depressed form at 
Middleton pond” (Dr. Chas. Pickering). This species is much 
rarer than the first. 
ASCLEPIADACES. 
(MILKWEED FamMILy.) 
Asclepias Cornuti, Decaisne. (ComMMON MILKWEED OR SILKWEED.) 
Verycommon. Varies much, both as regards the shape of the leaves 
and the color of the flowers. 
During the last century the coma of the seeds of this plant was 
used for wick-yarn. ‘‘ The candles will burn equally free and afford 
a clearer light than those made of cotton wicks. They will not re- 
