107 
Trisetum spicatum (L.) Richter, var. molle (Michx.) Beal. T. subspicatum (L.) 
Beauv,, var. molle Gray. See Rhod. xviii (1916), and xxx, 239 (1928). Downy 
Oat-grass. 
Occasional in dry upland woods. Young spikelets produced late in June, 
and flowers during early July. 
Pine Lake district, Nos. 1700, 1701 ; eastern edge of Caribou Mountain 
plateau, No. 1699. 
Sphenopholis pallens (Spreng.) Scribn. Shining Prairie-grass. 
Occasional on sandy shores of lakes and streams. Young spikelets col- 
lected in early July and flowers during the third week in July. 
Pine lake, No. 1825; Peace point, No. 1824. 
A vena Hookeri Scribn. Hooker's Oat. 
Apparent rare in the park, though rather common on the drier parts 
of the Peace Point prairie. In fruit August 2. 
Peace point, No. 1636. 
A. fatua L., var. glabrata Peterm. Wild Oats. 
Found only in the hayfield at the Government Hay Camp, where it is 
introduced. In fruit August 4. 
Government Hay Camp, Slave river, No. 1638. 
A. sativa L. Cultivated Oats. 
Successfully cultivated in Fort Smith, at the Mission Farm along Salt 
river, and at the Government Hay Camp, Fruits mature in early August. 
Government Hay Camp, Slave river, No. 1637. 
Deschampsia caespitosa (L.) Beauv., var. glauca (Hartm.) Lindm. Aira caespitosa L. 
See Rhod. xxviii, 154 (1926). Tufted Hair-grass. 
Common about the margins of wet sloughs and on damp, muddy shores. 
In flower during the last part of July and the first three weeks of August. 
Fruit matured in late August. 
Delta of Quatre Fourches river, No. 216; Murdock Creek district, 
No. 1662; Government Hay Camp district, Slave river, Nos. 1660, 1664; 
near Heart (Raup) lake, Nos. 1661, 1666; Peace point, No. 1665; Moose 
(Eight) Lake district, No. 1663. 
Danthonia intermedia Vasey. Wild Oat-grass. 
Occasional in dry upland prairies where it adds to the forage, but not 
to such an extent as to be important. In flower during the third week in 
July, and in fruit the third week in August. 
Near Heart (Raup) lake, No. 1683; Peace point, Nos. 1684, 1685. 
Calamagrostis purpurascens R.Br, Alpine Reed-grass. 
Common on dry, sandy ridges throughout the upland. Collected in 
flower July 13, and in immature fruit August 17. Very young spikelets 
appear during the last week in June. 
Fort Smith, No. 260; Moose (Eight) Lake district, Nos. 1768, 1769. 
