104 
East shore of lake Mamawi, No. 1715; 30th base line district, Slave 
river, No. 146; Murdock Creek district, No. 1717; Government Hay Camp 
district, Slave river, Nos. 1721, 1726; near Heart (Raup) lake, No. 1722; 
Fort Smith, Nos. 149, 152; Pine Lake district, Nos. 1718, 1720, 1723, 1724, 
1729; Peace point, Nos. 1719, 1727, 1728; sink-hole 16 miles east of Moose 
lake, No. 1733; Moose (Eight) Lake district, Nos. 1730, 1731, 1732, 1734, 
1735; base of eastern slope of Caribou mountains, Nos. 1714, 1716; eastern 
edge of Caribou Mountain plateau, No. 1713. 
P. compressa L. Canada Blue-grass. 
Collected only at Fort Smith, where it is probably introduced. Fort 
Smith, No. 142. 
P. palustris L, P. triflora of auth. See Rhod. xviii, 235 (1916). Fowl Meadow-grass. 
Common in wet sloughs throughout the area. Early flowering culms 
were found eaten by the buffalo in the latter part of June. Flowers occur 
through July, and fruit in August. 
Lower delta of Athabaska river, Nos. 143, 144; east shore of lake 
Mamawi, Nos. 1707, 1710; Pine Lake district, No. 1711; Indian graveyard. 
Peace river, Nos. 1708, 1709. 
P. glauca Vahl. Spear-grass. 
Common on dry, sandy banks and ridges, and in dry crevices on rocky 
hills throughout the region. Also found in the driest prairies and in sandy 
buffalo wallows. Not abundant enough to contribute much to the range. 
Young spikelets collected in the latter part of June, flowers during July, and 
fruit in August. 
East shore of lake Mamawi, Nos. 1745, 1746, 1747; Government Hay 
Camp district, Slave river, No. 1743; Fort Smith, No. 160; Pine Lake 
district, Nos. 1739, 1740, 1742; Moose (Eight) Lake district, Nos. 1736, 
1737 ; Peace point, Nos. 1738, 1741 ; base of eastern slope of Caribou moun- 
tains, No. 1744. 
P. arid a Yasey. 
Apparently occasional, and limited to the drier parts of the Salt Plain 
prairies. Old flowers collected August 20. 
Near Heart (Raup) lake, No. 1712. 
P. glaucifolia Seribn. and Williams. 
Apparently rare in the park area, and found thus far only in dry soils 
on granite hills in the Athabaska-Peace delta. In fruit August 9. 
East shore of lake Mamawi, No. 1748. 
Distichlis stricta (Torr.) Rydb. See Rhod. xxvii, 67 (1925). Salt-grass. 
Common on saline flats and prairies in the Salt Plain regions. Flowers 
collected August 20. 
Near Heart (Raup) lake, No. 1794. 
