1913] Reports on the Flora of the Boston District,— XVII 131 
Tapleyville, 1880” (J. H. Sears & J. Robinson) according to Robin- 
son, Fl. Essex Co. 125, 1880. No specimen seen. | 
B. rapicosa (Fourn.) Griffiths. South Boston flats (C. E. Perkins, 
1882). Native of southwestern United States and Mexico. 
B. TEXANA Watson. South Boston flats (C. E. Perkins, Aug. 2, 
1882). Native of Texas and Mexico. 
DACTYLOCTENIUM. 
D. agayptium (L.) Richter. Cotton waste from mills, Malden 
(F. S. Collins, Aug. 19, 1888; F. S. Collins & C. W. Swan, Sept. 14, 
1888). 
ELEUSINE. 
E. INDICA Gaertn. Waste places, rare; Salem, Lowell, Reading, 
Malden, Boston, South Boston. 
LEPTOCHLOA. 
L. FASCICULARIS (Lam.) Gray. Adventive, Boston (C. W. Swan, 
Sept. 17 and 19, 1887, specimens in herb. Yale University and in 
herb. Walter Deane. 
L. FILIFORMIS (Lam.) Beauv. Cotton waste from mills, Lowell 
(C. W. Swan, Aug. 16 and Sept. 6, 1883); Malden (F. S. Collins, 
Sept. 25, 1887; F. S. Collins & C. W. Swan, Sept. 14, 1888). 
L. mpricata Thurb. Woollen mill waste, N. Billerica (C. W. 
Swan, Sept. 18, 1885, specimens in herb. Yale University and N. E. 
Botanical Club). Native of Arizona. 
PHRAGMITES. 
P. communis Trin. Wet places near the coast, becoming more 
frequent southward; inland at Andover and S. Lincoln. 
TRICUSPIS. 
T. flava (L.) Hubbard. (Tridens flavus (L.) Hitche. Gray's Manual, 
“th ed. See Hubbard, Ruopora xiv. 185-6, 1912). Campus lawns, 
Wellesley (K. M. Wiegand, Sept. 16, 1910); abundant in old fields, 
Southboro (A. J. Eames, August, 1909). 
