28 PANICACE.E. 



Culms 1-2 m. liigli, liai'-y at tlie nodes. Panicle contracted^ 

 20-60 cm. long. Tlie tawny hairs at the hase and sparingly on the 

 outer glumes exceeding the spikelets, spreading when dry and 

 mature; first and second empty glumes equal, ovate-lanceolate, 

 firm membranous, tawny, round, or flat on the back, 6 mm. long, 

 first 2-toothed, 5-6-nerved, second mucronate, 3-nerved ; third and 

 fourth red, hyaline, ovate-lanceolate, 1-3-nerved, third 4-5 mm. 

 long, with a terminal straight awn nearly its own length, fourth 

 shorter, 2-toothed with a straight awn 1-2 cm. long ; palea hyaline, 

 membranous, about 2 mm. long. Lodicules broad, truncate, ciliate, 

 0.7 mm. long. Stamens 2. Styles distinct. 



New Jersey, Scrihier 3627 from Parker; Delaware, Canhy; 

 Fla. Curtiss 3627. 



Dry or wet soils. New Jersey to Texas. 



3. E. brevibarbis Michx. Fl. Bor. Am. 1 : 55 (1803). E. sac- 

 cliaroides sub-sp. breviharhis Hack., D. C. Monog. Phan. 6 : 

 131 (1889). 



Culms rather slender, tall, sparingly hairy at the nodes. 

 Sheaths often glabrous; ligule 1-2 mm. long; blade 30-80 cm. 

 long, 6-15 mm. wide. Panicle 15 cm. long, hairs seldom as long 

 as the spikelets. Spikelets 7 mm. long, first and second glumes 

 nearly alike, 3-4-nerved above, 2-toothed, third shorter, hyaline, 

 fourth still shorter, 2-cleft bearing a twisted awn 2 cm. long. 



The plant resembles Andropogon [Chrysjjogon) nutans, except 

 that the spikelets are sessile or on short stiff pedicels. 



Virginia to Texas. 



Var. Contortus (Nutt.) Chapm. Fl. S. States, 582 (1860). 

 Saccharum contortum Nutt. Gen. 1:60 (1818). E. contortus Ell. 

 Bot. S. C. and Ga. 1:40 (1816). E. saccMroides Michx. sub.-sp. 

 contortus Hack., D. C. Monog. Phan. 6 : 131 (1889). 



Culm 60-130 cm. high, leaf -blades smoother. Panicle 20-40 

 cm. long, narrower, thinner. The third glume white with two 

 slender teeth, the awn twisted at the base and twined like a cork- 

 screw above. 



North Carolina to Texas. 



