228 R hod on i |,) ( . T , u 



Warwick, June 25, 1910, Femaid. Connecticut: sandy soil, South 

 Windsor, June 23, 1916, Driggs; dry soil, Manchester, July 9, L904, 

 Unggs, no. 2927; wet meadow, Southington, July 13, 1901, Andrews; 



moist roadside, Danbury, July 19-20, 1912, Harqer. New York: 

 hank of St. Regis River, Stockholm, July 1, 191(i,' 0. P. Phelps, no. 

 1150; swamp, Norfolk, June 30, 1915, Phelps, nos. 1100, 1101; dry 

 rocks, Murray Island, Jefferson Co., July 4, 1902, Robinson k Maxon 

 no. 86; sandy fields, Albany, June 10, 1918, House; dry gravel, Ulysses, 

 July 22, 1913, Wiegand & Palmer, no. 89. Ontario: ('ache Lake' 

 Algonquin Park, June 20, 1900, Macoun, no. 72,965 in part (mixed 

 with P. boreale); Toronto, June 7, 1911, ./. White, no. S. Indiana: 

 sand ridges, Rohy, September 2, 1907, Laming, no. 2687; swale, 

 Edgemoor, July 24, 1900, Lansing, no. 2606; sand ridges, Last Chi- 

 cago, August 10, 1910, Lansing, no. 2801. Mantiora: Lake Winni- 

 peg \ alley, 1857, Bourgeau. Minnesota: moist sand, Hubert, 

 July 25, 1913, lien/man, no. 2879. MISSOURI: barrens, Monteer. 

 May 24, 1907, Bush, no. 4(181. 



Var. fasciculatum (Torr.), n. comb. /'. dichatomum, &. fasciculatum 

 Ton. PI. No. and Mid. U. S. 145 (1824). /'. nitidum a. cUiatum 

 and S. pUosum Torr. I. c. 140 (1824). P. huachucae Ashe, Journ 

 Lhsha Mitchell Soc. xv. 51 (1898). P. tennesseense Ashe, I.e. 52 

 (1898). P. uncipkyllum, forma prostratum Scribn. & Merr. Rno- 

 doba, in. 124 (1901). P. languinosum, var. huachucae (Ashe) Hitchc 

 RHODOBA, viii. 208 (1906), P. huachucae, var. si/rieola Hitchc. & 

 Chase in Robinson, Rhodora, x. (>4 (1908). /'. pacificum Hitchc. 

 & ( hase Contrib. L. S. Nat. Herb. xv. 229 (1910). P. languidum 

 Hitchc. & Chase, 1. c, 232 (1910). /'. huachucae, var. fasciculatum 

 { 1 on.) Hubbard, RHODORA, xiv. 171 (1912).— Southern California 

 to Monda, north to southern British Columbia, Idaho, Montana, 

 South Dakota, Minnesota, Ontario, Quebec and Newfoundland. 



In its typical form the variety lias loosely spreading leaves. /'. 

 huachucae is a trivial form, of more open habitats and therefore with 

 stiller and more ascending foliage. P. uneiphqllum, forma pros- 

 tratum (basis of P. languidum) is a shade form with tendency to 

 looser inflorescences and slightly longer spikelets. 



In Nova Scotia var. fasciculatum is common from Yarmouth to 

 Sable Island and Pictou Co. 



Var. implication (Scribn.), n. comb. P. implicatum Scribn U S 

 Dept. Agric. Div. Agrost. Bull. 1 1 : 43. fig. 2 (1898). P. mciphyUum 

 implicatum Scribn. & Merrill, Rhodora, iii. 123 (1901).— New- 

 foundland to southern New York, west to Ontario, Wisconsin and 

 Iowa. 



Common in western Nova Scotia, often too close to the last. 



P. suhvillosum Ashe. Common on dry sandv or rocky open 

 soil throughout the silicious regions from Yarmouth Co. to Halifax 

 and Cumberland Cos., thence on into eastern New Brunswick and 

 Prince Edward Island. Seep. 103. 



