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 wade, 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, HI.) 



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 halt as wide, papillose-pubescent. Autumnal 

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

 % — Woods, Massachusetts to Wisconsin and Oklahoma, south to 

 northern Florida and Texas (fig. 1467). Panicum boscii var. 



