16 
stems 2 to 4 feet high, and long, rather rigid, leaves. The narrow, densely 3 
flowered panicle which terminates the stems is from 3 to 10 inches long. Itisone : 
of the most valuable of the grasses adapted to binding the drifting sands of 
our coasts, and has been cultivated for this purpose in this as well as in other 
: ntries. The action of this grass in holding the drift- 
ing sands is like that of brush or bushes cut and laid R 
upon the ground in accumulating snow when drifted by 
the wind. The sand collects around the clumps of grass, 
and as it accumulates, the grass grows up and overtops it, 
may e dons "mc: in the epring or r fall; and if seeds are 
f the beach or 
i oriei sand dunes, and these will rise whi le the biako places 
grass. (Ammophila over which the grass will spread are being leveled by the 
arundinacea.) wind. Beach-grass has been used for the manufacture 
of coarse paper, and it makes an excellent and very durable thatch. It is 
of no value for fodder. 
Ammophila arundinacea. (See Ammophila arenaria.) 
Ammophila brevipilis. (See Calamovilfa brevipilis.) 
Ammophila longifolia. (See Calamovilfa longifolia.) 
Andropogon affinis R. Br. Blue-grass (in Australia). 
A leafy perennial, 1 to 2 feet high, native of Australia, where it is regarded as a valu- 
ure grass. It is related to the big blue-stem (Andropogon provincialis) 
of this country, but is smaller in every wa 
Andropogon argenteus. (See Andropogon saccharoides.) 
Andropogon argyræus Schult. Silver Beard-grass. 
À native grass of rather slender growth, 2 to 3 feet high, with narrow leaves 
and silvery-white, hairy racemes which terminate the culm and its branches. E 
It is found chiefly D the borders of woods and thickets and in open fields, E 
and blooms in September. It is a more tender grass than the common 
meoo ea of Wer I: Bs Diem! it 10 € d and may have 
ulti- 
vate Me 
