
APPENDIX F. 357 
Luvinus argenteus? Wood End. September 1, ’73, in flower, 
Lathyrus maritimus, Bigelow. Lake of tho Woods. August 7, '73, in flower. 
Lathyrus venosus, Mubl. Dufferin. June 22, ’73, in flower. 
Lathyrus ochroleucus, Hook. Dufferin, (thicket). June 3,’73, in flower.—First 
crossing Souris River, thicket in valley. June 5, ’74, first blossoms. 
Oxytropis Lamberti, D.C. N. Antler Creek (open prairie) June 6, ’74, in flower. 
* White Mud River (dry bank) July 3, ’74, still in flower. First crossing Souris 
River, June 3, ’74, (dry open prairie and gravelly banks) in flower. White 
variety. 
Oxytropis splendens, Dougl. (var. vestita, Hook). Turtle Mountain, (open prairie) 
July 10, ’73, in flower. : 
Oxytropis splendens, Doug). (var. Richardsonii, Hook). Turtle Mountain, thicket, 
July 11,73, in flower. My specimens are very different in appearance from 
the last, and might almost rank as a different species, especially as found 
growing nearly in the same locality. The leaves are almost all regularly 
pinnate, with scarcely a trace of verticillate arrangement in the leaflets. 
Psoralea brachiata, Dougl. Rising ground east of Red River prairie, June 19, ’73, 
in flower. Wood End, (open prairie) July 4, ’74, still in flower. East Fork 
Milk River, July 18, ’74, past flowering. 
Psoralea argophylla, Pursh. Turtle Mountain (open prairie) July 30, ’73, in 
flower. N. crossing White Mud River, July 11,’74, first blossoms. From the 
eastern edge of the second prairie steppe, to the Rocky Mountains, abundant. 
Flower, cobalt blue. 
Petalostemon violaceum, Mx. Rising ground E. of Red River prairie, Aug. 27, ’73, 
in flower. Turtle Mountain (open prairie) July 25, ’73, in flower. West 
Butte, July 24, ’74, in flower, 
Petalostemon candidum,Mx. var. Turtle Mountain, (open prairie) July 21, ’73, 
in flower. S. of Wood Mountain (dry prairie and hill-sides) July 2, ’74, first 
blossoms. The leaves nearly all obtuse, and sometimes slightly obcordate. 
Does not agree exactly with Michaux’s figure. 
"‘Thermopsis rhombifolia, Nutt. First crossing Souris River and westward, (damp 
spots on the open prairie and hill-sides) June 3, ’74, in flower. 
Vicia Americana, Muhl. Lake of the Woods, July, ’73, in flower. Dufferin, (open 
prairie) June 10,’73; (thicket) June 12, ’73; near Short Creek, June 10, ’74. 
Both in flower. 
Vicia Americana, Muhl, var. B., Hooker. Near Turtle Mountain (open prairie), 
June 1, ’°73. Near Wood Mountain (open prairie), June 25, 74. Both in 
flower. A well-marked variety, inhabiting dry exposed prairies. 
ROSACEA. 
Agrimonia eupatoria, L. Turtle Mountain, (thicket) July 23, ’73, last blossoms. 
Amelanchier Canadensis, T. & G. Dufferin, June 3, ’73, in flower. Foot Pembina 
Mountain, May 22, ’74, first blossoms. Common on the forty-ninth parallel 
from Lake of the Woods to the Rocky Mountains. West of the Red River 
country, only occurs in sheltered yalleys, but becomes very abundant again 
on the foot hills of the mountains. In many varietal forms. 
Crategus coccinea, L. Dufferin, June 2,’73; second crossing Souris, June 8, '74. 
Both in flower. 
Comarum palustre, L. Winnipeg, and N. W. Angle Road. July 3, ’73, in flower. 
Dryas octopetala, L. Rocky Mountains, (6,500 feet). August 18, '74, in flower. 
Abundant on gravelly banks in the Kootanie Pass, where plants showed half 
ripe seeds at the same date. 
Fragaria Virginiana, Ehrhart. Dufferin, June 2, ’73, in flower. Found growing 
on the third prairie steppe in sheltered parts of the valley of White Mud 
River. 
