200 



23, 1888, Herbarinm of J. M. Coulter); ludian Territory (G. D. Butler, June 2, 

 1877, Herbarium of J. M. Coulter); Redfield, Dakota (E. Butler, Herbarium of 

 J. M. Coulter). 



Var. spinulosa, Gray. — 75 mm. to 125 mm. high ; leaves linear, very acutely 

 pointed, three or five nerved, nearly as long as the scape, margins entire, white, 

 with long, soft hairs ; spike loosely flowered, 25 mm. to 100 mm. long ; bracts 

 slightly exceeding the calyx, obtuse, densely hairy ; scape covered with soft, 

 white hairs, 100 mm. to 275 mm. long; sepals obtuse, scarious, with a thick cen- 

 tre, densely hairy; slightly longer than calyx, 2 seeded; size of seeds 3f mm. x 

 2 mm.; other seed characters same as species. (Plate 10.) 



Found on dry prairies from the Mississippi River westward. 



Specimens examined: Blue Earth County, Minnesota (P. Patagonica, John 

 Leiberg, 1883, Herbarium of the University of Minnesota) , Zanesville, Minne- 

 sota (P. Patagonica, var. gnaphalioides, B. C. Taylor, .June, 1891, 177, Her- 

 barium of the University of Minnesota); Crete, Nebraska (P. Patagonica, var. 

 gnaphalioides. Herbarium of the University of Minnesota) ; St. James, Nebraska 

 (P. Patagonica, var. gnaphalioides, Fred Clements, 1893, 2615, National Her- 

 barium) ; Jordan, Minnesota (P. Patagonica, var. gnaphalioides, C. A. Ballard, 

 June, 1891,241, Herbarium of the University of Minnesota) ; Wilson Creek, Wash- 

 ington (Sandberg Collection, June, 1893, Herbarium of the University of Minne- 

 sota); North Dakota (P. Patagonica, G. A. Holzinger, 1891, National Her- 

 barium); New Mexico (P. Patagonica, var. gnaphalioides, Sandberg Collection, 

 April, 1880, Herbarium of the University of Minnesota^; Kansas (P. Patagonica, 

 var. gnaphalioides, B. B. Smyth, August 19, 1890, 161, National Herbarium); 

 Kansas (P. Patagonica, var. gnaphalioides, Sandberg Collection, July, 1887, Her- 

 barium of the University of Minnesota); Minneapolis, Minnesota (P. Patagonica, 

 var. gnaphalioides, Sandberg Collection, June, 1892, Herbarium of the University 

 of Minnesota); Pueblo, Colorado (Alton Collection, June, 1890, 188, Herbarium 

 of the University of Minnesota) ; Dublin, Texas (C. F. Maxwell, 1893, Herbarium 

 of J. M. Coulter). 



Var. aristata. Gray. — 100 mm. to 225 mm. high; leaves linear, glabrous to 

 densely hairy, three or tive-veined, margins entire; spike cylindrical, loosely 

 or densely flowered, 25 mm. to 125 mm. long; bracts linear, acute, several times 

 longer than the calyx; scape slightly to densely hairy, 125 mm. to 300 mm. long; 

 sepals obtuse, scarious with a thick centre; capsule slightly longer than calyx, 2 

 seeded; size of seeds, 5 mm. x 2| mm., other seed characters same as species. 

 (Plate II.) 



Grows on prairies and in dry soil from the Atlantic coast to California. 



