fa 
47. 
Phaseolus diversifolius, Pers. 
Near the coast. Not rare. A form with mostly undivided leaves 
and bearing tubers on the stem just below the ground; grows on 
Deer Island, in the Merrimac, at Newburyport. 
Amphicarpza monoica, Hil. (HoG PEANUT.) 
Woodlands. Common. 
Baptisia tinctoria, R. Br. (WiLp INpDIGo.) 
Common in dry soil. 
Cassia Marilandica, Z. (WILD SENNA.) 
‘““Near Salem” (Buttrick’s list Proc. E. I., Vol. II, p. 24); Andover 
(G. D. Phippen); Georgetown (Mrs. Horner). Scarce. 
Cassia nictitans, Z. (WILD SENSITIVE-PLANT.) 
Lawrence; Groveland (Rev. J. L. Russell); Deer Island, Newbury- 
port; and a few other localities. Scarce. 
Gleditschia triacanthos, Z. (THREE-THORNED Acacia; HoNnEy 
_ Locust.) 
Introduced from Pennsylvania, etc., frequently spreading by seeds. 
ROSACEA, 
(Rose FamMI Ly.) 
Prunus Americana, Marshall. (WiLp YELLOW OR RED PLM.) 
Represented in the P. A. S. county herbarium by a specimen col- 
lected by the late Mr. Oakes, the precise locality being unknown. 
Prunus maritima, Wang. (BrEsacH PLUM.) 
Near the coast. Common at Ipswich, Plum Island, etc. Found 
also in the interior along walls where the stones, thrown by farmers 
on their way home from haying on the marshes, have sprung up. 
Prunus pumila, Z. (Dwarr CHERRY.) 
‘Outlet of mineral spring pond” (memo. Dr. Chas. Pickering) ; 
‘Andover, June, 1873” (memo. Rev. H. P. Nichols). Not repre- 
sented in the county collection at the P. A. S. 
Prunus Pennsylvanica, Z. (WILD RED CHERRY.) 
Not uncommon in most parts of the county. 
Prunus Virginiana, ZL. (CHoke CHERRY.) 
Very common near walls. 
Prunus serotina, Zhrhart. (WiLp BLack CHERRY.) 
Common. Often attaining large size. Considered by the late Dr. 
Chas. Pickering to have been introduced into the county by the 
early settlers, from other parts of New England. 
