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354 B. N. A. BOUNDARY COMMISSION. 

Cleome, sp. I. East Butte. Aug. 1, ’74, in flower. ’ 
a Polanisia graveolens, Raf. Wood End, July 12, ’74, in flower. A * 
VIOLACE. 
Viola pubescens, Ait. Dufferin (thicket) May 19, 1874, first blossoms, June 2, "13, >. ? 
in full bloom. t a 
Viola Canadensis, L. Foot Pembina Mountain (thicket) May 23,’74, first blos- 
soms. Winnipeg and N. W. Angle Rd (thicket), July 3, ’73, ’ still in flower. Bes 
Turtle Mountain (shady thicket), July 13, with ripe seed. 
Viola pedata, L. Dufferin (open Prairie), June, 3, ’73,in flower. Pembina Mauat 
tain (edge of second prairie steppe), May 25, 4. first blossoms. Extends to 
the N. Saskatchewan R (Richardson, Bourgeau.) 
Viola cucullata, Ait. Dutferin (thicket), June 2, ’73. Pembina Mountain, May 
27, ‘74 (thicket), in flower. A form, which apparently represents this 
species is found on both the first and second prairie steppes, and from its 
station comes out somewhat earlier than the ordinary variety. It is usually — 
small and stunted, not more than two and a half inches high, and shows 
well marked varietal differences. The leaves are smaller, longer in propor- 
tion, and of firmer texture. Flowers somewhat smaller, dark blue ; the 
spur twice as long in proportion as in common species, and almost resem- 
bling that of Selkirkii. Lower petal beardless. Found near Dufferin, in 
flower, but leaves not fully formed, May 22, ’74. In flower, June 3, ’73. 
Viola Nuttalii, Pursh. Between Long River and Badger Creek, May 30. Plains 
west of Turtle Mountain, June 2, in flower, and some capsules with 
seed nearly ripe. Grows on dry, gravelly hillsides. Rare. Observed only 
on the second prairie steppe, but may pass on to the third. Northward to the 
Saskatchewan (Richardson, Bour geau.) ‘ 
oe 
: ee DROSERACEA. . a 
Drosera longifolia, L. Height of land, Muskeg, between Lake of the Woods and ‘io 
Red River. Common. pA 
| P 
PARNASSIACEA. , ‘ka 
Parnassia Caroliniana, L. Height of land, Muskeg, between Lake of the Woods lay 
and Red River. Aug. 22,’73, in flower. This is probably about the north- “a 
western limit of the species. . ae 
HYPERICACE®. 
Hypericum Scouleri, Hook. Rocky Mountains. (6000 feet.) Aug. 18, 774, IM 
flower. 
CARYOPHYLLACE.X#. 
Arenaria later iflora, L. Dufferin (thicket), June 2,’73. Pembina Mountain, (thicket) 
May 15, ’74. First Crossing Souris = te (thicket) June 3, 74. All in. ; 
flower. ; ms 
Arenaria pungens, Nutt. Kootanie Pass, Aug 14, '74, seed shed. Rocky Moun- uF 
tains (7000 feet), Aug. 18, ’74, in flower. i 
Arenaria nardifolia, Ledeb. Rocky Mountains, (6,500 feet) Aug. 16, ’74, few 
flowers remaining. 
Cerastium nutans, Raf. Dufferin, June 18, ’73. Turtle Mountain (open prairie), . 
stunted variety, July 25, °73. Pe mbina Mountain (open prairie), May 25, ’74.. 
All in flower. o.' 
Cerastium ‘oblongifolium, Torr. Rocky Mountains (6500 feet), Aug. 18, ’74, in | 
flower, / 
Silene Menziesii, Hook. South Fork Belly River (wood), Aug. 13, ’74, still in ) 
flower, 
Silene antirrhina, L. Winnipeg and North-west Angle Road, July 2, ’73, in flower. 

