AGROSTIDE.E. 297 



Ton-.; A. Gray, Gram, et Cyp. u. 2 (1834). Vilfa tenera Trin. 

 Mem. Acad. St. Petersb. (VI.) 5:87 (1840). Foa modesta 

 Tuckerm. Am. Jouru. Sci. (I) 14:45 (1843). 



A slender tufted erect perennial, 20-40 cm. high; culms com- 

 pressed and solid as in Maize. Sheaths sliort; ligulel-2 mm. long; 

 blades flat or conduplicate, 4-12 cm. long, 1-2 mm. wide. Panicle 

 much exserted, thin, 5-16 cm. long, narrow and few-flowered when 

 short, ovate-lanceolate when large ; rays single, very slender. Spike- 

 lets 1-, rarely 2-flowered, dark brown or purple; empty glumes 

 ovate, obtuse, 1-nerved, first a little more than 0.5 mm. long; second 

 a little longer; floral glume ovate, concave, 3-nerved, 1.5 mm. long; 

 palea broad-oval, obtuse, nearly as long as its glume. Grain oval, 

 flattened, less than 1 mm. long. 



Maine, U. S. Dept. Agricul. 371 from Scribner; New Jersey, 

 Scribner 3582; Delaware, Canhy. 



Maine to Delaware and Northern Michigan in sandy wet places. 



24. S. compressus (Torr.) Kunth, Enum. PI. 1:217(1833). 

 Agrostis compressus Torr. Cat. PI. N. Y. 91 (1819). Agrostis 

 Torreyana Schult. Mant. 2:203 (1824). ViJfa compressa Trin. 

 Unifl. 158 (1824). 



Culms tufted, erect, stout, flattened, solid, as in Maize, 30-60 

 cm. high, from a perennial rootstock with short joints covered with 

 scales. Sheaths conduplicate, much longer than the internodes; 

 ligule very short; blades erect, conduplicate, about 30 cm. long, 

 3 mm. wide. Panicle exserted, open, ovate-lanceolate, 10-30 cm. 

 long ; rays spreading, filiform, mostly scattered or some in twos and 

 three. Sj)ikelets brown, often 2-flowered; empty glumes subequal, 

 ovate-lanceolate, 1-nerved, 1.5 mm. long; floral glume ovate, con- 

 cave, 3-nerved, as long as tlie empty glumes, though overreaching 

 them by one- third as united in the spikelet; palea oval, obtuse, as 

 long as its glume. Grain oval, flattened, 1 mm. long. 



New Jersey, Sa'ihner 3381; U. S. Dept. Agi'icul. 353 from 

 Scribner. 



Bogs in the pine-barrens of New Jersey. 



25. S. repens Presl, Eeliq. Hsenk. 1:241(1830). 



A slender creeping grass, culms 0.5 mm. diam., rising 1 cm. 



