A(iKosTii)E.ii;. 289 



scure, 3-3.5 mm. long, cuspidate or appearing so before flattening 

 tlie involute tip; palea nearly as long as its glume, often terminat- 

 ing in two points. 



Northern Maine, Prinyle; Dakota, U. S. Dcpt. Agricul., from 

 Dr. I 'list'!/. 



Found in Maine, Kansas, Colorado, and northward. 



6. S. inflata ^'asey & Deway, Contrib. U. S. Nat. Herb. 1: 

 2G5 (1893). 



Perennial, with knotted rootstocks. Culms slender, simple, 30- 

 45 cm. high. Leaves of sterile shoots numerous, blades mostly in- 

 volute, 10-30 cm. long, 2 nmi. wide, those of the culm 2-3 in num- 

 ber, sheaths equalling or exceeding the long internodes, the upper 

 often extending to the panicle; ligulo lacerate, 4-T mm. long. Pan- 

 icle narrow, dark green, 10-15 cm. long, bearing spikdets to near 

 the base. Si)ikelets 3-4 mm. long, subterete ; empty glumes subequal, 

 oval, nerveless, about half as long as the floret ; floral glume lance-ob- 

 long, 3-3.5-nerved; palea much like its glume, the 2-uerves adjacent. 



Texas (Presidio County), XcaUci/ 127. 



Nearly allied to S. Jvnesii, but this has longer leaves and. 

 spikelots. 



7. S. Bolanderi Yasey, Coult. Bot. Gaz. 11:337 (1880). 

 Culms slender, smooth, the upper half naked, about 30 cm. 



high. Sheaths smooth; ligule about 0.5 mm. long; blades of 

 sterile shoots flat, flaccid. 10-15 cm. long, 0.8-1.3 mm. wide, those 

 on the culm 2-3 in number. 3-5 cm. long. Panicle open, lax, 5-8 

 cm. long, lower rays in twos and threes, filiform, 2-3.5 cm. long, 

 flower-bearing above the middle. Spikelets on pedicels 3 or more 

 mm. long; emi)ty glumes unequal, ovate-lanceolate, first 1-nerved, 

 l.Gmm. long, second 3-nerved. 2.5 mm. long; floral glume oblong- 

 lanceolate, 5-nerved, softly pubescent on the nerves below, 3.5 nmi. 

 long; palea as long as its glume, 2-tootlied, ciliate on the keels, 

 sterile pedicel 1.5 mm. long. 



Collected at Oregon, BoJander for U. S. Dept. Agricul. and 

 now at ITarv. Univ. 



8. S. heterolepis A. Gray, Man. Ed. 1:576 (1848). Vilfa 

 keferolojm A, Gray, Ann. Lye. N. Y. 3: 233 (1836). 



