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SETARIA VIRIDIS. 
Beavuvois. Hooxrr anp Arnott. Parnett. Kocu. Linney. 
Bapineton. Kuntu. 
PLATE XXXI.—B. 
Panicum viride, Linnaeus. J. E. Smite. Kwyapp. 
fe fe ScuHraDER. LeEers. WILLDENOW. 
< “ Curtis. Graves. EHRHART. 
ae ee Host. Hupson. WuitHeERInG. 
ct Hutu. ReicHensacu. 
crus-galli, OEDER. 
The Green Bristle-Grass. 
Setaria—A._ bristle. Viridis—Green. 
AGAIN we have another dubious British Grass to describe, 
which is also an interesting species. 
It is found in fields near London, Thetford, and Norwich. 
Of no agricultural use. Small birds are fond of the abundant 
small seeds which it produces. 
Native of France, Italy, Switzerland, Austria, Prussia, Spain, 
Portugal, Norway, Sweden, Russia, North Africa, and the United 
States of America. 
Grows on sandy soil in cultivated land. 
Stem upright, bearing four or five flat, rough, lanceolate 
leaves, with smooth striated sheaths; upper one shorter than its 
leaf. Joints four. Inflorescence simple-panicled; branches short ; 
rachis hirsute. Spikelets dorsally compressed, crowded, almost 
sessile, having at the base long, rough, involucral bristles; dentate, 
teeth pointing upwards, and bristles above twice the length of 
