GENERA OF GRASSES OF THE UNITED STATES. 



257 



FIG. 156. Sugar cane, Saccharum offlcinarum. Sketch of three stems, much reduced; 

 a few branches of panicle, X \ ', spikelet with pedicel of second spikelet (the shorter) 

 . and joint of rachis, X 5. 



97769 19 Bull. 772 17 



