166 
FIFTEENTH REPORT. 
40. Panic ill aria grandis (Wats.) Manna Grass. 
Glyceria grandis S. Wats, in A. Gray, Man. Ed. 6, 067, 1890. 
Swamps. Frequent. 
47. Panicularia septentrionalis (Hitclic.). Manna Grass. 
Glyceria septentrionalis . Hitclic.: Gray’s New Manuel of Botany, 
7th Edition, 159, f. 171, 1908. 
Swamps. Common. 
4S. Panicularia nervata (Willd.) O. K. Manna Grass. 
Swamps. Common. 
49. Festuca nutans, Willd. Fescue Grass. 
Woods. Common. 
50. Bromus ciliatus, Lin. Brome Grass. 
Swamps. Common. 
51. Bromus purgans, Lin. Brome Grass. 
Swamps. Common. 
52. Bromus secalinus Lin. Chess. 
Waste places and barren soil. Common. 
53. Bromus tectorum, Lin. Brome Grass. 
Waste places. There are two forms of this growing side by 
side, one bright green and the other purplish, which afford a very 
striking contrast. 
54. Agropyron repens (Lin.) Beauv. Quack Grass. 
Marl bed. Bare. 
55. Agropyron repens (Lin.) Beauv., Var. pilosum, Scribn. 
Pastures. Common. 
Agropyron repens and its varieties are very troublesome weeds 
if allowed to gain a foot-hold in agricultural lands. The rhizomes 
are official under the name Triticurn, which is used in medicine 
as a diuretic, demulcent, and emollient in the treatment of cystitis 
and other bladder troubles. Other names for this species are Dog- 
Grass and Couch Grass. 
Family 12. Cyperaceae. Sedges. 
56. Cyperas filiculmis, Yahl., Var. macilentus, Fernald. Galingale. 
Waste grounds. Frequent. 
57. Trichophyllum palustris (Lin.) Spike Bush. 
Scirpus palustris. Lin. Sp. PI. 47, 1753. Ehrliart’s Tricho- 
phyllum is the oldest name for the genus. 
Borders of streams, etc. Common. 
58. Trichophyllum rostellatum (Torr.) Spike Rush. 
Eleocharis rostellata Torr. FI. N. Y. II, 347, 1843. 
Marl bed. Common. 
59. Scirpus Americanus, Pers. Bull Rush. 
Marl bed. Common. 
60. Scirpus atrovirens, Mulil. Bull Rush. 
Low wet grounds. Frequent. 
61. Scirpus atrovirens. Mulil., Var. pycnocephalus, Fernald. 
Low wet grounds. Scarce. 
62. Scirpus validus, Vahl. Bull Rush. 
Marl bed. Frequent. 
Scirpus occidentalis (Wats.) Chase. Bull Rush. 
Marl bed. Scarce. 
63 . 
