74 . Rhodora [APRIL 
M. PvsiLLA Smith (M. borealis Wallm. of Middlesex Flora). Vicin- 
ity of woollen mills at Westford (C. W. Swan, Sept. 15, 1884); Dracut 
(C. W. Swan, Aug. 1, 1883); also Lowell (C. W. Swan, no date). 
Native of northern Europe and Asia, introduced into California, 
and casual here. See Synop. Fl. N. Amer., A. Gray, ed. B. L. Robin- 
son, i. pt. 1, 298-299, 1897. 
M. noruNDIFOLIA L. Gardens and waste places, common. 
M. sytvestris L. Sharon (S. Harris, July 12, 1894). Reported 
from dry open roadsides, Acton and Concord, Hosmer, RHODORA i. 
223, 1899. 
M. SYLVESTRIS L., var. MAURITIANA (L.) Boiss. Charlestown (C. E. 
Perkins, July 23 and Sept. 9, 1881). Specimens in herb. N. E. 
Botanical Club and Gray Herb. Casual from southwestern Europe. 
MALVASTRUM. 
M. coROMANDELIANUM (L.) Garcke. Woolwaste, Westford, Miss 
E. F. Fletcher in Ruopora xix. 132, 1917. Introduced from India. 
SIDA. 
S. HERMAPHRODITA (L.) Rusby. Escaped from Fenway, Boston, 
also in field at West Cambridge. Persisting about old gardens, 
Jamaica Plain (N. T. Kidder, Sept. 20, 1888). 
S. spinosa L. Dumps at Lowell, Dracut, Westford, Malden and 
Watertown. 
SPHAERALCEA. 
S. Munroana (Dougl.) Spach. Woolwaste dump, Westford, 1915, 
Miss E. F. Fletcher in Rnopona xviii. 143, 1916. Native of Rocky 
Mts. and portions of the northwest. 
S. FENDLERI Gray. Woolwaste, Westford, Miss E. F. Fletcher 
in RHODORA xx. 20, 1918. Native of western Texas and Arizona. 
WISSADULA. 
W. cALLIMORPHA (Hochr.) Hassl., var. Frresut Hassl. Woolwaste, 
Westford (Miss E. F. Fletcher, Sept. 5, 1917). Native of eastern 
Bolivia and adjacent Brazil. See Ruopora xx. 20, 1918. 
