61 



to h 



Fig. 43. Panicum grossariuni L. ; Beal, Grasses N. Am., 2 : 

 116. Jamaica Crab-grass. — Apparently an annual, with much- 

 branched, ascending culms 3 to 6 dm. long, broad, lanceolate leaves 

 and spreading panicles of a few simple racemes of glabrous spike- 

 lets. — Ballast ground, Philadelphia. Adventive. [West Indies.] 

 September. Cultivated in grass garden, and apparently valuable. 



