APPENDIX P.

363

Antennaria Sp. I. 385 Milo Point, Foot Hills of Rocky Mountains , Aug. 1, ’74,past flowering.

Aplopappus Nuttallii , T. and G. White Mud River (dry bank), July 3, '74, inflower.

Aplopappus spinulosus, D. C. Turtle Mountain, Aug 23, ’73. First CrossingSouris River, July 30, '73. Both in flower. Not common on the secondprairie steppe, but abundant westward, on the drier plains.

Aplopappus lanceolatus, T. and G. First Branch Milk River, Aug. 5, ’74, inflower.

Aplopappus , Sp. I. Short Cr., June 10, ’74. Growing in dense, matted tufts.

Arnica anguslifolia, Valil. Souris River (open prairie), June 7, ’74, in flowerAbundant.

Arnica Menziesii, Hook. Kootanie Pass (thicket), Aug. 16, '74, in flower.

Arnica longifolia, D. C., Eaton. Rocky Mountains (7,000 feet), Aug. 18, ’74, inflower.

Artemisiafrigida, 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 thelad-lands, June 29, ’74, in flower.

Artemisia Imdoviciana, Nutt. Var. I. East Fork, Milk River, Aug. 23,’74. WestFork, Milk River, Sept. 10, ’74. Both in flower. This is the most commonvariety of “ sage ” on the third prairie plateau, and grows very abundant!}'on dry, open plains and dry valleys. On the second prairie plateauA. frigida is probably more abundant.

Artemisia Ludovieiana , Nutt. Var. gnaphaloides , T. k 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 , Dougl. Kootanie Pass (dry bank), Aug. 4, ’74, in flower.

Artemisia dracunculoides, Pursh. Second Crossing Milk River (dry bank), Aug. 5,’74, in flower.

Aster multiflorus, 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 Ue. vis, 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. leevigatus , those from the latterapproaching 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. II. 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.