195 



Specimens examined: Vegas Valley. Nevada (Coville and Funston, 1891, 

 390, alt. 1,065 meters, National Herbarium); Sleepy Eye, Minnesota (E. P. Shel- 

 don, July, 1891, Herbarium of the University of Minnesota); California iC. R. 

 Orcutt, June, 1889, National Herbarium); Shore of Lake Superior, Minnesota 

 (F. F. Wood, 1891, Herbarium of the University of Minnesota) ; Ogden, Utah 

 (G. W. Letterman, July 29, 1885, National Herbarium); Nicollett's Northwestern 

 Expedition (C. A. Geyer, July 24, 1839, National Herbarium); Minnesota i F. F. 

 Wood, 1891, National Herbarium); Centreville, Delaware (Commons, August 3, 

 1878, National Herbarium); Mishawaka, Indiana ( E. B. Uline, July, 1891, Her- 

 barium of J. M. Coulter); Elliston, Montana (F. D. Kelsey, Herbarium of J. M. 

 Coulter); Georgetown, Colorado (H. N. Patterson, July 11, 1885, Herbarium of 

 J. M. Coulter); Oregon (P. major, var. Asiatica, T. J. Howell, May, 1880, 

 National Herbarium). 



3. P. Rugelii Decaisue: — 125 mm. to 300 mm. high; leaves broadly ovate 

 or oblong, smcoth or sparingly hairy, five or seven nerved, margin entire or 

 toothed; petioles flat, channelled: spike, 75 mm. to 250 mm. long, cylindrical, 

 loosely flowered, acute at ai)ex: bi-acts acute; scape, 125 mm. to 450 mm. long, 

 smooth or sparingly hairy; sepals oblong, acute, carinate (Plate 3) ; capsule con- 

 ical, twice as long as calyx, circumsisbile below the middle, 4-9 seeded: ripe seeds 

 black, angled, surface glossy, minutely granular, granules irregularly arranged, 

 cross section oval (Plate A, Fig. 3j; longitudinal section oval i Plate I>, Fig. 3); 

 size If mm. x | mm. ; hilum at center of seed. 



Grows in moist soil from Vermont to Minnesota and south to Texas and 

 Georgia. 



Specimens examined : Peoria, Illinois (McDonald, Aug. 4, 1893, Herbarium 

 of the University of Minnesota) ; Allenton, Missouri (G. W. Letterman, 1882, 

 National Herbarium) ; Camden, New Jersey (I. C. Martindale, 1878, National 

 Herbarium) ; Harrisburg, Pennsylvania (Sandberg Collection, Aug. 14, 1888, 

 Herbarium of the University of Minnesota) ; Michigan (C. F. Wheeler, July 23, 

 1890, National Herbarium); Minneapolis, Minnesota (C. L. H., June 20, 1876, 

 Herbarium of the University of Minnesota); Blue Earth Co., Minnesota (Sand- 

 berg Collection, Herbarium of the University of Minnesota) ; Jordan, Scott Co., 

 Minnesota (C. A. Ballard, June, 1891, Herbarium of the University of Minnesota) . 

 Cannon Falls. Minnesota (P. major, J. H. Sandberg, Aug., 1881, Herbarium of 

 the University of Minnesota) ; Charlotte, Vermont (C. G. Pringle, Sept. 8, 1878, 

 National Herbarium) ; Belle Isle, Detroit, Michigan (O. A. Farwell, July 3, 

 1893, Herbarium of the L'niversity of Minnesota) ; Centreville, Delaware (Com- 

 mons, Sept. 28, 1878, National Herbarium) ; Indian Territory (Dr. Palmer, 1868, 



