72 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
appears that Dr. Watson had noticed one of the characters of the 
var. ysilostachyum , hut he took no action. 
P. Convolvulus L. A weed at the Main Life Saving Station. 
J. Macoun; H. St. John, no. 1,217 (H). 
FL, Ft. — August. 
CHENOPODIACEAE. 
Chenopodium rubrum L. Common on the brackish beach of 
Wallace Lake. J. Macoun; H. T. Gilssow; II. St. John, no. 1,218 
(H). 
Fr. — September. 
C. ALBUM L. A weed at the Main Life Saving Station. J. Ma- 
coun; (also as "lamb's quarter" M. p. 218A); H. St. John, no. 
1,219 (H). 
Fl. — August. 
A narrow-leaved form is also established at the Main Life Saving 
Station. H. St. Johi, no. 1,220 (H). 
Fl. — September. 
Atriplex patula L., var. hastata (L.) Gray. Common on the 
wet brackish beach of Wallace Lake. J. Macoun; II. T. Gilssow; 
II. St. John, no. 1,221 (H). 
Ft. — September. 
C AR YOPHYLL ACE AE . 
Spergularia leiosperma (Kindberg) F. Schmidt. See Fernald & 
Wiegand, Rhodora, xii. 162 (1910). Common on the brackish sandy 
beach of Wallace Lake. J. Macoun (C. no. 21,151); H. T. Gilssow 
(E); H. St. John, nos. 1,222 and 1,223 (H). 
Fl. — August. Fr. — August and September. 
[S. CANADENSIS (Pers.) Don of J. Macoun and //. T. Gilssow is S. 
leiosperma.] 
Spergula arvensis L. a weed at the Main Life Saving Station. 
J. Macoun; H. St. John, nos. 1,224 and 1,225 (H). 
Fl. — August and September. Fr. — September. 
Sagina procumbens L. Frequent in the wet dune hollows. 
J. Macoun; H. St. John, no. 1,226 (H); H. S. Glazebrook (H). 
Fl. — June to August. Fr. — July to August. 
