203 



12. P. Virginica L. — 25 mm. to 125 mm. Iiigli; leaves ovate to oblong, ob- 

 tuse, tapering gradually into margined petioles, sparingly to densely hairy, three 

 or five nerved, margins entire or slightly denticulate ; spike cylindrical, densely 

 flowered above, often loosely flowered below, 25 mm. to 175 mm. long ; scape 

 grooved, densely hairy, 50 mm. to 350 mm. long; sepals obtuse, scarious with a 

 thick center, hairy (Plate 15); capsule short, ovoid, not exceeding the calyx, two- 

 seeded; ripe seeds golden yellow, surface striated longitudinally, cross section 

 anther shape (Plate B, Fig. 4); longitudinal section oval (Plate E, Fig. 4); size 

 1} mm. X ^ mm.; hilum at center of seed. 



Low, sandy ground from Pennsylvania to Arizona. 



Specimens examined : Cincinnati, Ohio (Sandberg collection, .June 17, 1883, 

 Herbarium of the University of Minnesota); District of Columbia (W. J. Canby, 

 1881, National Herbarium); Smithville, Pennsylvania (A. A. Heller, May 30, 

 1893, 900, National Herbarium); Baumgardner, Pennsylvania (Alton Collection, 

 May 24, 1890, Herbarium of the University of Minnesota); Tucson, Arizona (Dr. 

 Smart, 1867, National Herbarium); Vinita, Indian Territory (M. A. Carleton, 

 April 17, 1891, 21, National Herbarium); Wichita, Kansas (Sept. 30, 1889, Her- 

 barium of J. M. Coulter); Hockley, Texas (W. F. Thurrow, 1890, Herbarium of 

 J. M. Coulter); Guthrie, Oklahoma (M. A. Carleton, May 28, 1891, 168, National 

 Herbarium), Gillespie County, Texas (G. Jerney, Herbarium of J. M. Coulter); 

 Fayette County, Texas (H. Wurzlow, 1891, Herbarium of J. M. Coulter); Duval 

 County, Florida (A. H. Curtiss, National Herbarium); Lancaster, Pennsylvania 

 (A. A. Heller, June 2, 1893, National Herbarium); Arizona (C. G. Pringle, April, 

 1881, Herbarium of J. M. Coulter); Hibernia, Florida (W. M. Canby, March, 1869, 

 National Herbarium); Charleston, Indiana (C. R. B., May 14, 1877, Herbarium 

 of Purdue University); Lancaster, Pennsylvania (A. A. Heller, May 30, 1893, 

 Herbarium of J. M. Coulter). 



Var. longifolia. Gray. — Leaves oblong, spatulate, 62^ mm. to 125 mm. long, 

 tapering gradually into long petioles, margins slightly denticulate or strongly 

 toothed; seed characters same as species (Plate 16). 



Specimens examined : Little Rock, Arkansas ( Dr. Hasse, May, 1886, National 

 Herbarium); Brazos, Texas (G. C. Nealley, 1889, National Herbarium); Brazos, 

 Texas (P. Virginica, G. C. Nealley, 1889, National Herbarium); Industry, Texas 

 (H. Wurzlow, 1890, Herbarium of J. M. Coulter). 



tttScape not grooved; capsule oblong, circumscissile below the middle; seeds 

 dark red. 



