1918] Reports on the Flora of the Boston District,— XXVII 59 
Rich & C. H. Knowlton, June 26, 1907 et seq.). A native of Japan, 
escaped from Fenway. 
R. procumbens Muhl. (R. villosus of Gray’s Manual ed. 7 not 
L.). Dry sand and gravel; very common, especially near the coast. 
SANGUISORBA. 
S. canadensis L. Common and abundant in meadows and edges 
of salt-marshes in all the Essex County shore towns from Salisbury 
to Rockport, and in the second tier of towns in Georgetown, Box- 
ford, Topsfield and Hamilton; also considerable stations in Dracut, 
Bedford and Littleton. 
S. minor Scop. One station in a hayfield, Wellesley (K. M. 
Wiegand, June 5, 1908). 
SORBARIA. 
S. SORBIFOLIA (L.) A. Br. Escaped and difficult to exterminate, 
Beverly (Frank Stone, July 1, 1879); escaped and well established, 
Milton (E. F. Williams, June 30, 1895). Often persistent around 
old places. 
SPIRAEA. 
S. latifolia (L.) Borkh. Dry or moist soil in open places; very 
common throughout. 
S. pRUNIFOLIA Sieb. & Zucc. Rocky knoll, spreading near site of 
old greenhouse, Arlington (C. A. W eatherby, Aug. 24, 1908); per- 
sistent by roadside near old garden, Sudbury (A. H. Moore, May 28, 
1905). 
S. tomentosa L. Old fields and pastures, common throughout. 
S. tomentosa L., f. albiflora Macbride. Ruopora xvii. 142-143, 
1915. Occasional. 
[Waldsteinia fragarioides (Michx.) Trattinick. There is a good 
specimen of this in the herbarium of the Peabody Academy of Science, 
collected by Miss M. W. Nichols in Horswell’s woods, Danvers, May 
15, 1891. The suggestion is made on the label that it may have been 
introduced, which seems possible, as this station is so far out of range.] 
C. H. Knowtton | Committee on 
WALTER DEANE Local Flora. 
