MANUAL OF THE GRASSES OF THE UNITED STATES 



639 



59. Panicum ovale Ell. (Fig. 1376.) Vernal culms 20 to 50 cm 

 tall, erect or ascending, rather stout, long-pilose below with ascending 

 or appressed hairs, often nearly glabrous above, the nodes bearded; 

 sheaths ascending-pilose; ligule 2 to 3 mm long, rather sparse; 

 blades 5 to 10 mm wide, the upper surface nearly glabrous except 

 for long hairs near the base and margins, the lower surface appressed- 

 pubescent; panicle 5 to 9 cm long; spikelets, 2.7 to 2.9 mm long. 

 Autumnal phase spreading-decumbent, the stiff culms rather loosely 



FIGURE 1376. Panicum ovale. Two views of 

 spikelet, and floret, X 10. (Type.) 



FIGURE 1375. Distribution of 

 Panicum pseudopubescens. 



branching from the middle and upper nodes. 9i Dry sandy 

 woods, Coastal Plain, North Carolina to Florida; Kansas (Saline 

 County), Texas (Waller County) (fig. 1377). 



60. Panicum scoparioides Ashe. (Fig. 1378.) Vernal phase light 

 green; culms 30 to 50 cm tall, erect or ascending, pilose with ascending 

 hairs or nearly glabrous; sheaths pilose to nearly glabrous; ligule 2 to 3 

 mm long; blades 6 to 10 mm wide, sparsely hispid on the upper surface, 

 appressed-pubescent beneath; panicle 4 to 7 cm long; spikelets 2.2 

 to 2.3 mm long, pubescent. Autumnal culms erect or spreading, 

 sparingly branching from the upper and middle nodes. 91 Dry 



FIGURE 1377. Distribution of 

 Panicum ovale. 



FIGURE 1378. Panicum scoparioides. Two 

 views of spikelet, and floret, X 10. 

 (Type.) 



sandy or gravelly soil, Vermont to Delaware ; Michigan to Minnesota 

 and Iowa (fig. 1379). 



61. Panicum shastense Scribn. and Merr. (Fig. 1380.) Vernal 

 culms 30 to 50 cm tall, pilose with ascending hairs, the nodes short- 

 bearded; sheaths papillose-pilose, the hairs spreading; ligule sparse, 

 2 to 3 mm long; blades 6 to 8 mm wide, sparsely pilose on the upper 

 surface, pilose beneath; panicle 6 to 8 cm long; spikelets 2.4 to 2.6 

 mm long. Autumnal culms spreading, with geniculate nodes and 

 elongate arched internodes, rather sparingly branched from the middle 

 nodes. 91 Moist meadows. Known only from Castle Crag, 

 Shasta County, Calif. 



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