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MANUAL OF THE GRASSES OF THE UNITED STATES 



tall, grayish-villous, especially below, 

 the nodes bearded; sheaths villous; 

 blades 5 to 10 cm. long, 3 to 5 mm. 

 wide, villous on both surfaces; panicle 

 4 to 6 cm. long; spikelets 2 mm. long, 

 obovate, villous. Autumnal phase 

 spreading, forming mats; blades flat, 

 becoming papery with age. % — 

 Sandy pine woods, Coastal Plain, 

 Virginia to Florida, Arkansas and 

 Texas; West Indies. 



Figure 927. — Panicum angustifolium. Two views of 

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



appressed-villous, the upper glabrous; 

 blades stiffly ascending, 8 to 15 cm. 

 long, 4 to 8 mm. wide, long-acumi- 

 nate; panicle long-exserted, 4 to 10 

 cm. long, loosely flowered, the 

 branches widely spreading at an- 

 thesis, the lower often reflexed ; spike- 

 lets 2.5 to 2.8 mm. long, elliptic- 

 obovate, papillose-villous. Autumnal 

 phase ascending or somewhat top- 

 heavy-reclining, not spreading or mat- 

 like; blades very numerous, flat, ap- 

 pressed, rather thin and papery. % 

 — Sandy pine woods, Coastal Plain, 

 New Jersey to northern Florida and 

 Texas; Tennessee (Knoxville), Ar- 

 kansas; Nicaragua. 



Figure 926. — Panicum consanguineum. Two views of 

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



17. Panicum consanguineum 



Kunth. (Fig. 926.) Vernal culms 

 ascending or spreading, 20 to 50 cm. 

 tall, densely felty-villous below, the 

 nodes bearded; sheaths villous, es- 

 pecially the lower; blades 7 to 11 

 cm. long, 5 to 8 mm. wide, villous, 

 or nearly glabrous above; panicle 4 

 to 8 cm. long, the lower branches 

 narrowly ascending; spikelets 2.6 to 

 2.8 mm. long, obovate, papillose- 

 villous. Autumnal phase spreading or 

 decumbent, the numerous branches 

 somewhat flabellately fascicled, the 

 blades 3 to 4 cm. long, 2 to 3 mm. 

 wide, flat, thin, papery. % — 

 Sandy pine woods, Coastal Plain, 

 Virginia to northern Florida, west 

 to Arkansas and Texas. 



18. Panicum angustifolium Ell. 

 927.) Vernal culms erect or nearly so, 

 30 to 50 cm. tall, the lowermost inter- 

 nodes gray crisp-villous; lower sheaths 



Figure 928. — Panicum pinetorum. Two views of 

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



19. Panicum pinetorum Swallen. 

 (Fig. 928.) Vernal culms slender, 

 wiry, 55 to 90 cm. tall; sheaths gla- 

 brous or the lowermost appressed- 

 pilose; blades 6 to 9 cm. long, 2 to 3 

 mm. wide, involute in drying, gla- 

 brous; panicle 7 to 9 cm. long, nar- 

 row, the branches not more than 3 

 cm. long, ascending; spikelets 2.3 to 



