1920] Reports on the Flora of the Boston District —X XXII 78 
ALTHEA. 
A. OFFICINALIS L. A single plant on rubbish heap in Cambridge 
(W. Deane, Aug. 5, Oct. 3, 16, 1886); reported from marsh at Salis- 
bury according to J. Robinson, Fl. Essex Co. 40, 1880. 
ANODA. 
A. TRIANGULARIS (Willd.) DC. Woolwaste dump, Westford (Miss 
E. F. Fletcher). See Ruopora xviii. 143, 1916. Native of south- 
western United States. 
GOSSYPIUM. 
G. HERBACEUM L. Self-sown and abundant on vacant lot on 
Huron Ave., Cambridge (E. F. Williams, Sept. 12, 1910). Probably 
an Asian plant. 
HIBISCUS. 
H. Moscheutos L. Salt or brackish marshes; Salisbury (Mrs. 
C. N. S. Horner, ——-, 1882); old report at Swampscott (J. Robin- 
son, Fl. Essex Co. 40, 1880); frequent from Hingham south. "There 
is an especially fine station nearly an acre in extent at Mann's Hill, 
Scituate. This fine mallow also grows in fresh water marshes at 
various places along the Concord and Sudbury rivers as far inland 
as Framingham; there are occasional stations on the Charles River, 
and the plant is rather abundant at the northeast of Farm Pond, 
Sherborn (A. J. Eames). 
H. Trronum L. Gardens and waste places, occasional. 
MALVA. 
M. Arcra L. Escaped from gardens, or persistent, at seven 
places. 
M. crispa L. Casual at Reading, Malden, S. Boston, Mansfield 
and Ashland. Native of Europe, and sparingly escaped from old 
gardens and elsewhere. 
M. moscata L. Persistent and spreading. 
M. PARVIFLORA L. Rubbish heap, Cambridge (W. Deane, Oct. 11, 
1884). Introduced probably from the Pacific coast, where it is well 
established. ; 
