46 
A. trachycaulum var. Femaldi (Pease & Moore) n, comb. 
A. caninum (L.) Beauv. var. tenerum (Vasey) Pease & Moore f. 
Fernaldii Pease & Moore, Khodora, 12, 73 (1910). 
Plant glaucous. 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: New Brunswick — 
No. 119247, Dalhousie, Aug. 10, 1926 (M. 0. Malte); Quebec — No. 115322, 
Grosse isle, Magdalen islands, Aug. 16, 1912 (M. L. Fernald, B. Long , and 
H. St. John); No. 68978, Cap & I’Aigle, Aug. 24, 1905 (J. Macoun). 
A. trachycaulum var. unilaterale (Vasey) n. comb. 
A. caninum Am. auth., not A. caninum (L.) Beauv. Agrost., 146 
(1812). 
Triticum subsecundum Link, Hort. Reg. Bot. Berol., II, 190 (1833). 
A. Richardsoni Schrad,, Linnaea, XII, 467 (1838). 
A. unilaterale Cassidy, Colo. State Agr. Coll. Exp. Sta. Bui. 12, 63 
(1890), not A. unilaterale Beauv., Agrost., 102 (1812). 
A. caninum (L.) Beauv. var. unilaterale (Cassidy) Vasey, Contr. U.S. 
Nat. Herb. I, 279 (1893). 
A. caninum (L.) Beauv. f. violascens Ramaley, Geol. Nat. Hist. 
Surv. Minn. — Minn. Bot. Studies, Bui. 9, 107 (1894). 
A. violaceum (Hornem.) Lange f. caninoides Ramaley, Geol. Nat. 
Hist. Surv. Minn.— Minn. Bot. Studies, Bui. 9, 108 (1894). 
A. violascens (Ramaley) Beal, 1 Grasses N. Am., II, 635 (1896). 
A. caninoides (Ramaley) Beal, Grasses N. Am., II, 640 (1896). 
Lemma glabrous or finely scabrous, bearing an awn longer than its 
body. Sheaths glabrous. Whole plant green. 2 
Among the specimens in the National Herbarium of Canada the 
following may be cited: Newfoundland — No. 99329, Stephenville, region 
of St. George bay, Aug. 15, 1910 (M. L. Fernald and K. M. Wiegand); 
Nova Scotia — No. 119525, Weymouth, Aug. 25, 1913 (M. O. Malte); 
No. 103756, Bridgewater, Aug. 16, 1921 (M. L. Fernald and B. Long); 
New Brunswick — Nos. 119249-119252, at the junction of Restigouche 
and Matapedia rivers, Aug. 7, 1926 (M. 0. Malte); Quebec — Nos. 73562- 
73563, Ste. Anne des Monts river, Aug. 16, 1906 (M. L. Fernald and J. F. 
Collins ); No. 68982, Port a Persis, 20 miles below Cap a I'Aigle, Aug. 19, 
1905 ( J . Macoun); No. 121174, La Trappe, Aug. 3, 1926 (frere Louis- 
Marie); Ontario — No. 119243, Kemptville, July 20, 1923 (M. O. Malte); 
No. 30298, Niagara Falls, July 5, 1882 ( J . Macoun ); No. 26023, Sarnia, 
Aug. 16, 1910 (J. Macoun); No. 116344, Timagami Forest Reserve, July 17, 
1922 (W. R. Watson); Manitoba — No. 108419, Winnipeg, July 15, 1911; 
No. 108418, Brandon, July 19, 1911 (M. O. Malte); Saskatchewan — No. 
13130, north of Prince Albert, July 4, 1896; No. 12966, Moose Jaw, Aug. 13, 
1895 (J. Macoun ); Alberta — No. 13121, Cardston, July 25, 1895; Calgary, 
July 21, 1897; No. 64790, Hector, Aug. 4, 1904 (J. Macoun ); Nos. 106847- 
*Beal describee this aa having the awn of the lemma “about 2 mm. long.” This evidently is a misprint, as the 
species is the same as A . unilaterale CasBidy, which originally was described as having the awn 2 inches long, 
*Too much stress has apparently by some authors been laid on the unilateral appearance of the spike. It is true 
that, when well developed, it is a rather striking character, but it not infrequently happens that both unilateral and 
symmetric spikes are found in the same plant. This is also the case in var. tenerum. 
