45 
No, 119240, Wakefield, July 12, 1922 (M. 0. Malte); Ontario — No. 119242, 
Britannia, July 13, 1923 (M. 0. Malte); No. 21910, Catfish lake, Algonquin 
park, July 23, 1900 (J. Macoun); No. 107867, peninsula, north shore of 
lake Superior, July 16, 1915 ( M. O. Malte); No. 30318, Spikes point, lake 
Nipigon, July 8, 1884 (J. Macoun); No. 107789, Keewatin, July 20, 1916 
(M. O. Malte); Manitoba — No. 30275, Emerson, July 23, 1887 (Fowler); 
No. 108420, Winnipeg, July 15, 1911 (M. O. Malte); No. 12975, Brandon, 
July 18, 1896 (J. Macoun); Saskatchewan — No. 30268, Touchwood 
hills, Aug. 12, 1872 (J. Macoun ); No. 72894, Saskatoon, July 27, 1906 
(J. Macoun and W. Herriot); No. 108432, Regina, July 23, 1911 (M. O. 
Malte); Alberta — No. 10430, Waterton mill, July 31, 1911; No. 108457, 
Porcupine hills, Aug. 18, 1915; No. 108336, Livingston valley at the Gap, 
Aug. 16, 1915; No. 108427, Calgary, Sept. 5, 1911; No. 119485, Banff, 
July 9, 1918 (M. O. Malte); No. 92711, Red Deer, July 22, 1917 (C. H. 
Young); No. 107812, Edmonton, July 26, 1918 ( M . O. Malte); No. 98045, 
Cabin creek, Jasper park, July 29, 1918 (J. M. Macoun); No. 106932, 
Beaverlodge, July 17, 1921 ( M. O. Malte); No. 59546, Dunvegan, July 28, 
1903 (J. M. Macoun ); No. 92014, Salt River region, Aug. 20, 1916 (Charles 
Camsell ); British Columbia — No. 108388, Sinclair’s hot springs, Aug. 2, 
1915 (M, O. Malte); No. 29760, Deer park, Lower Arrow lake, June 12, 
1890 (J. Macoun ); No. 106784, Vernon, July 12, 1918; No. 108447, Sum- 
merland, Aug. 31, 1911 (M, O. Malte); Lillooet, July 7, 1916 ( J . M. 
Macoun); No. 108325, Victoria, June 26, 1914 (M, O. Malte). 
A. trachyeaulum var. glaucescens n. var. 
Planta glauca. Glumella exterior glabra vel scabriuscula, mutica vel 
arista glumella maxime dimidio breviore instructa. Vaginae glabrae. 
Plant glaucous. Lemma glabrous or finely scabrous, awnless or with 
an awn not exceeding half the length of the body of the lemma. Sheaths 
glabrous. 
Specimens in the National Herbarium of Canada: Quebec — No. 68979, 
Cap il l’Aigle, Aug. 8, 1905 (J. Macoun); Saskatchewan — No. 106843, 
Indian Head, July 21, 1917 (type!) (M. O. Malte); British Columbia — 
No. 119494, Comox, July 22, 1915 (M. O. Malte). 
A. trachyeaulum var. trichocoleum (Piper) n. comb. 
A. tenerum Vasey var. ciliatum Scribn. & Sm., U.S. Dept, of Agr., 
Div. Agrost., Bui. 4, 30 (1897), not A . trachyeaulum , p. 47. 
A. tenerum trichocoleum Piper, Bui. Torr. Bot. Club, 32, 546 (1905). 
A. caninum (L.) Beauv. var. tenerum (Vasey) Pease & Moore f. ciliatum 
(Scribn. & Sm.) Pease & Moore, Rhodora, 12, 72 (1910). 
Plant green. Lemma glabrous or finely scabrous, awnless or with an 
awn not exceeding half the length of the body of the lemma. At least the 
lowest sheaths pubescent. 
Specimens in the National Herbarium of Canada: Quebec — No 
115323, Grosse isle, Magdalen islands, Aug. 16, 1912 (M. L. Fernald , B 
Long , and H. St. John ); No. 68981, Cap & l’Aigle, Aug. 8, 1905 (J. Macoun ); 
No. 119239, Wakefield, June 12, 1922 (M. O . Malte); Alberta — Nos. 
107783-107785, Edmonton, July 25, 1916, Nos. 107819, 108147, Edmonton, 
July 26-28, 1918 (M. O. Malte); British Columbia — No. 91632, Lillooet, 
July 8, 1916 (J. M. Macoun). 
