109 
Agrostis scabra Willd. See Rhod, xxxv, 207-12 (1933), Hair-grass, or Tickle-grass. 
Common in prairie openings and the drier parts of meadow sloughs. 
In the meadow at the Government Hay Camp, where the wild hay has 
been cut from the same plots for several consecutive years, this species 
becomes a predominating grass, greatly reducing the value of the hay. In 
flower from the middle to the last of July and sometimes later. Fruiting 
in August. 
East shore of lake Mamawi, Nos. 1624, 1625; Murdock Creek district, 
No. 1627; Government Hay Camp, Slave river, No. 1626; near Heart 
(Raup) lake, No. 1621; Round lake, about 18 miles south of Pine lake, 
No. 1628 sink-hole 16 miles east of Moose lake. No. 1629; base of eastern 
slope of Caribou mountains, Nos. 1622, 1623; Clewi river, Russell, No. 17. 
Cinna latifolia (Trev.) Griseb. Woodland Reed-grass. 
Rare in Wood Buffalo park, and apparently confined to the deep woods 
in the upper Athabaska delta. Fruits immature in mid- August. 
Reed portage, upper Embarras river, No. 1827. 
Arctagrosiis arundinacea (Trin.) Real. 
Rare in this region, and apparently confined to Caribou mountains, 
where it inhabits wet muskegs. Collected in flower July 12. 
Eastern edge of Caribou Mountain plateau, No. 1826. 
Alopecurus aequalis Sobol. A. aristulatus Michx, A. geniculatus L., var. aristulatus 
(Michx.) Torr. Meadow Foxtail. 
Occasional in a variety of habitats, but usually found on muddy shores 
and in semi-dry sloughs. Prather common in clearings and buffalo wal- 
lows. Young flowers observed June 22, flowers during July, and both 
flowers and fruit during the first two weeks of August. 
Reed portage, upper Embarras river, No. 1607; lower delta of Atha- 
baska river, No. 187; east shore of lake Mamawi, No. 1605; Government 
Hay Camp district, Slave river, No. 1606; Fort Smith, No. 188; Pine 
Lake district, No. 1608; sink-hole 16 miles east of Moose lake, No. 1609; 
Sass creek, Russell, No. 73. 
Phleum alpinum L. Mountain Timothy. 
Occasional, and found only in the river lowlands. In flower during 
the first half of August. 
Reed portage, upper Embarras river, No. 1790; Government Hay 
Camp district. Slave river, No. 1791. 
P. pratense L. Timothy. 
Introduced in settlements and cabin clearings. Young flowers observed 
in early July. 
Pine Lake district, No. 1792. 
Muhlenbergia Richardsonii (Trin.) Rydb. See Bull. Tor. Bot. Club, xxxii. 600 (1905). 
Collected only at the margins of saline fiats on the Salt Plains. In 
fruit August 19. 
Near Heart (Raup) lake, No. 1793. 
91963—8 
