165 
S. oreopliila Rydb. 
Common in dry prairies, clearings, and on rocky hills throughout the 
upland districts. Flowers appear in late June or early July, and continue 
until late in August. 
Government Hay Camp district, Slave river, No, 3255; near Heart 
(Raup) lake, No. 3256; Fort Smith, No. 1367 {Mrs. Conibear coll.) ; Pine 
Lake district, Nos. 3258, 3259; Peace point, Nos. 3254, 3257; Moose (Eight) 
Lake district, Nos. 3260, 3261; Indian graveyard, Peace river, No. 3262; 
Little Buffalo river, Bussell , No. 46. 
S. canadensis L. Canada Goldenrod. 
Common in clearings, open woods, and prairies throughout the region. 
It becomes abundant in the prairies at the base of Caribou mountains. 
Flower buds collected in late June and the first half of July. The flowering 
period begins about the third week in July and lasts through most of August. 
East shore of lake Mamawi, No. 3275; Government Hay Camp dis- 
trict, Slave river, Nos. 3280, 3282; near Heart (Raup) lake, No. 3281; 
Peace point, No. 3283; Moose (Eight) Lake district, Nos. 3284, 3285, 3286; 
Indian graveyard, Peace river, No. 3276; base of eastern slope of Caribou 
* mountains, Nos. 3277, 3278, 3279; lower Slave river, No. 1357. 
S. graminifolia (L.) Salisb., var. campomm (Greene) Feraald, Euthamia camporum 
Greene. See Rhod, xvii, 12 (1915). 
Collected thus far only in the Hay (Prairie) River district of the 
Peace-Athabaska delta, where it was common and in flow r er August 18. 
Hay (Prairie) river, near east shore of lake Claire, No. 3263. 
Aster conspicuus Lindl. Rough Aster. 
Common in poplar woods on the eastern slopes of Caribou mountains . 
and on a poplar bluff near the Indian graveyard, Peace river. Flower 
buds collected July 12, and flowers July 23 and 31. 
Indian graveyard, Peace river, No. 3237; eastern slope of Caribou 
mountains, Nos. 3235, 3236. 
A. modestus Lindl. 
Apparently rare in the park area, and found thus far only in the upper 
delta of Athabaska river. In flower August 15. 
Reed portage, upper Embarras river, No. 3213. 
A. Lindleyanus T. and G. 
Probably the commonest aster in the region. It is abundant in open 
woods and clearings throughout, and occasional in semi-open places. 
Rosettes have been observed late in June, and buds in the latter part of 
July. The first flowers appear late in July, and reach their prime during 
the first half of August. 
Reed portage, upper Embarras river, No. 3239; Government Hay 
Camp district. Slave river, Nos. 3245, 3246, 3248, 3249; near Heart (Raup) 
lake, No. 3247; near upper Smith rapids, No. 1354; Fort Smith, No. 1353 
{Mrs. Conibear coll.) ; Pine Lake district, No. 3243; Peace point, No. 3244; 
Moose (Eight) Lake district, Nos, 3250,3251, 3252, 3253; Indian graveyard, 
Peace river, No. 3240; base of eastern slope of Caribou mountains, Nos, 
3241, 3242. 
