APPENDIX F. 363 

Antennaria Sp. I. 385 Mile Point, Foot: Hills of Rocky Mountains, Aug. 1, ’74, 
past flowering. 
Aplopappus Nuttallii, T.and G. White Mud River (dry bank), July 3, 74, in 
flower. 
Aplopappus spinulosus, D.C. Turtle Mountain, Aug 23, ’73. First Crossing 
Souris River, July 30, ’73. Both in flower. Not common on the second 
prairie steppe, but abundant westward, on the drier plains. 
Aplopappus lanceolatus, T. and G@. First Branch Milk River, Aug. 5, °74, in 
flower. 
Aplopappus, Sp. 1. Short Cr., June 10,’74. Growing in dense, matted tufts. 
Arnica angustifolia, Vahl. Souris River (open prairie), June 7, '74, in flower, 
Abundant. 
Arnica Menziesiit, Hook. Kootanie Pass (thicket), Aug. 16, 74, in flower. 
Arnica longifolia, D. C., Eaton. Rocky Mountains (7,000 feet), Aug. 18, ’74, in 
flower, 
Artemisia frigida, Willd. Rising ground, east of Red River prairie, Aug. 23, ’73. 
Wood End, Sept. 1, ’73. Both in flower. 
Artemisia Douglasiana, Bess. South of Wood Mountain, dry clay banks in the 
bad-lands, June 29, ’74, in flower. 
Artemisia Tudoviciana, Nutt. Var. I. East Fork, Milk River, Aug. 23,’74. West 
Fork, Milk River, Sept. 10,74. Both in flower. This is the most common 
variety of “sage” on the third prairie plateau, and grows very abundantly 
on dry, open plains and dry valleys. On the second prairie plateau 
A. frigida is probably more abundant. 
Artemisia Iudoviciana, Nutt. Var. gnaphaloides, T. & G. Wood End, July 14, ’74, 
not yet in flower. 385 Mile Point, Sept. 18, ’73, past flowering. 
Artemisia Canadensis, Mx. Lake of the Woods, Aug. 7, ’73,in flower. Wood End, 
July 14, 74, not yet in flower. Foot hills of Rocky Mountains, (dry hill- 
sides) Aug. 7, ’74, in flower. 
Artemisia discolor, Doug]. Kootanie Pass (dry bank), Aug. 4, ’74, in flower. 
Artemisia dracunculoides, Pursh. Second Crossing Milk River (dry bank), Aug. 5, 
74, in flower. 
Aster multifiorus, L. Turtle Mountain Aug. 12,’73. Second Branch: Milk River, 
Aug. 4,’74. Foot hills, Rocky Mountains, Aug. 26, ’74. All in flower, 
Abundant from the Red River to the Rocky Mountains. 
Aster macrophyllus, L. Lake of the Woods, Aug. 7,’73. Turtle Mountain, Aug. 
11,’73. Both in flower. A straggling variety, with broad winged petioles. 
Aster graminifolius, Pursh. Height of Land Muskeg, between Lake of the Woods 
and Red River, Aug. 21, ’73, in flower. 
Aster carneus, Nees. Foot Hills of Rocky Mountains (damp thicket), Aug. 26, ’74, 
in flower. 
Aster levis, L. Second Crossing Souris River (thicket), Aug. 11, ’73. in flower. 
Abundant. Foot Hills of Rocky Mountains, Ang. 26,’74, in flower. Speci- 
mens from the first locality coming under var. levigatus, those from the latter 
approaching var. cyaneus. 
Aster miser, Lake of the Woods, Aug. ’73. 
Aster salsuginosus, Rich. Rocky Mountains (6000 feet), Aug. 16, ’74, in flower. 
Aster. Sp. I. Near-Wood Mountain, Saline soil. Sep. 15, ’74, in flower. 
Aster, Sp. 11. Turtle Mountain, (open prairie). July 26, ’73, in flower, 
Aster, Sp. III. Near Wood Mountain, (saline soil.) September 15, ’74, in flower. 
Bidens Beckii, Torr. Lake of the Woods. August 18, ’73, in flower. 
Bidens chrysanthemoides, Mx, Lake of the Woods. August 18, ’73, in flower, 
