1915) Flora of the Boston District,— XX. 175 
RUMEX. 
R. Acetosa L. Roadsides, Georgetown (J. H. Sears, June 12, 
1905); Medfield ( K. M. Wiegand, June 23, 1909). 
R. ACETOSELLA L. Dry fields, especially in acid soil; very common 
and abundant throughout. Noticed near Salem in 1628 by Francis 
Higginson. | 
R. ALTISSIMUS Wood. Near Audubon Road, Boston (C. W. Swan, 
Aug. 25, 1899); vacant lot, Fenway, Boston (C. H. Knowlton, June 
25,1908). Adventive from the West. 
R. Britannica L. Swamps and marshes, frequent throughout. 
R. crispus L. Fields and waste places; a common weed through- 
out. 
R. hastatulus Baldw. Salisbury beach (A. A. Eaton, Aug. 31, 
1912, specimen in Gray Herb.). 
R. maritimus L., var. fueginus (Phil.) Dusén. (See RHODORA 
xvii. 73-83, 1915.) Charlestown (C. E. Perkins, July or August, 
1881); South Boston flats (C. E. Perkins, July 10, 1879). 
R. mexicanus Meisn. Low waste ground near Cottage Farm, 
Brighton (F. F. Forbes, June 23, 1912). 
R. oBTUSIFOLIUS L. Fields and waste places, common throughout. 
R. pallidus Bigel. Sea beaches and salt marshes, frequent along 
the coast. 
R. ParreNTIA L. Moist thickets and waste places; Andover, 
Manchester, Wakefield, Weston, Wellesley, Framingham, Sherborn, 
Hingham. 
R. persicarioides L. Sandy Cove, Bayview, Gloucester (W. P. 
Rich & E. F. Williams, Aug. 15, 1897 and M. L. Fernald, F. W. 
Hunnewell & B. Long, September 11, 1913). 
R. veRTICILLATUS L. Cohasset (Miss Lincoln, no date; specimen 
in herb. Boston Soc. Nat. Hist.). Adventive from further west. 
[Chorizanthe pungens Benth. N. Chelmsford, wool-waste (Rev. 
W. P. Alcott; specimen in herb. of), adventive from California, 
according to Dame & Collins, Fl. Middlesex Co. 88, 1888. Mr. Alcott 
seems to have been a keen observer, but the committee has been 
unable to locate his herbarium.] 
