MANUAL OF THE GRASSES OF THE UNITED STATES 



659 



sparsely pubescent; sheaths cilia te; blades 8 to 18 cm long, 1.5 to 

 4 cm wide, glabrous; panicle 7 to 15 cm long; spikelets 3.4 to 3.7 mm 

 long. Autumnal culms more or less spreading, branching from the 

 middle nodes, the upper leaves of the branches crowded and spread- 



FIGURE 1464. Panicum latifolium. Plant, X 1; two views of spikelet, and floret, X 10. (Schenck, 111.) 



ing, not much reduced. 91 Rocky or sandy woods, Maine and 

 Quebec to Minnesota, south to North Carolina and Kansas (fig. 1465). 

 110. Panicum boscii Poir. (Fig. 1466.) Vernal phase resembling 

 that of P. latifolium; culms 40 to 70 cm tall, glabrous or minutely 

 puberulent, the nodes retrorsely bearded; sheaths glabrous or nearly 



FIGURE 1465. Distribution of 

 Panicum latifolium. 



FIGURE 1467. Distribution of 

 Panicum boscii. 



FIGURE 1466. Panicum boscii. Two views of spikelet, 

 and floret, X 10. (Type.) 



so; blades spreading, 7 to 12 cm long, 1.5 to 3 cm wide, sparsely 

 ciliate at base, glabrous or nearly so; panicle 6 to 12 cm long; spikelets 

 4 to 4.5 mm long, about half as wide, papillose-pubescent. Autumnal 

 phase about as in P. latifolium, sometimes topheavy -reclining. 

 21 Woods, Massachusetts to Wisconsin and Oklahoma, south to 

 northern Florida and Texas (fig. 1467). PANICUM BOSCII var. 



