129 



burg, i869t Garber; Presque Isle, 1869, Garber; Northampton 



Co., [861, Dr. T. Green; 



J 



Dclaivarc, — Herb. \Vm. Ai. Canby; Wilmington, 1844, J. 

 R. Brakely. J/^/rj'/^/w/.— Salisbury, Wm.M. Canby; Oakland, 

 Garrett Co., 1880, J. D. Smith. West Virgima.— Wood Co., 

 1890, Dr. C. F. Millspaugh, No. 247. 



Kentucky. — '* Hills about Crab Orchard," 1835, Dr. Rob- 

 ert Peter; ** Knobs of Crab Orchard," 1842. Dr. Short. 



Ohio. — Darby Plains. ///imns.—Mt. Carmell, 1875, Dr. 

 J. Schenck; Beardstown, i842,Geyer; Fountaindale, Winne- 

 bago Co,, Herb, M. S. Bebb; Augusta, 1842, S. B. Mead; 

 Oquawka, 1874, Harry N. Patterson; *' Prairies," J. L. Dar- 

 lington. ]Viscousin, — ^Juneau Co., Camp Douglas, 1890, K. A. 

 Mearns, No. 250. Mi)uicsota. — Hennepin Co., 1889. J. H. 

 Sandberg. Arkansas. — Dr. Pitcher; Grand Prairie, 1883, F. 

 L. Harvey, No. ii; ( - X. W.") 1880, ex. Herb. F. L. Har- 

 vey, No. 6^, Kansas. — 1887, Dr. J. H. Oyster; Miami Co., 

 1885, Dr. J. H. Oyster. Indian Territory. ~\m%, Dr. YA\\\ 

 Palmer, No. 74. 



Type of both P, viridescens and P. sangui)iea in Herb. 



Linn. N. L. B. 



Forma ALHTFLORA. Flowers white. Massachusetts, — 

 i860, Concord, Mr. Pratt. Delaware. — Townsend, 1872, ex 

 Herb. Wm. M. Canby. West Virginia. — Webster Co., 1890, 

 Dr. C. V. Millspaugh, No. 554. 



Type in Herb. CoL Coll. 



i^, P. CuRTISSTi, A. Gray, Manual, 5th ed. 121, (1867). 



Glabrous throughout; stem much as In the preceding 

 but rather more slender; leaves alternate, linear^ the upper 

 ones acute; spikes ovoid or globose, more or less apiculate, 

 not compact, ^^^-6'^ in diameter; peduncles longer than in the 

 preceding; bracts persistent; flowers rose-purple, pedicels 

 about i^^ long; wings narrowly ovate, or elliptical, minutely 

 mucronate, about seven-veined, the mid-vein less prominent 

 than in the preceding and thickened only at the tip; crest of 

 keel small, made up of a few short, blunt, thickish processes, 



