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Anemone parviflora Michx. Northern Anemone. 
Apparently rare or only occasional, and collected thus far only in 
upland muskeg timber, where it is in flower July 11. 
Pine Lake district, No. 242L 
multi fida Poir., var. hudsoniana DC. See Rhod. xix, 141 (1917). Hudsonian 
Anemone. 
Common on upland dry ridges and prairies, and in rock crevices. Col- 
lected in flower from June 15 through the first week in July. Late flowers 
and immature fruit are found through the third week in July, and fruits 
in August. 
Government Hay Camp district, Slave river, No. 2417; Fort Smith, 
No. 774; near Mission Farm, No. 2415; Pine Lake district, Nos, 2412, 2414, 
2416, 2418; Peace point, Nos. 2419, 2420; Moose (Eight) Lake district, 
No. 2413. 
A. cylindrica Gray. 
Apparently occasional in Wood Buffalo park, and collected thus far 
only on the Peace Point prairie, where it is common. Late flowers and 
immature fruit collected July 17 to 21, and mature fruits observed August 2. 
Peace point, Nos. 2409, 2410, 2411. 
A. canadensis L, Canadian Anemone. 
Common at slough margins and in prairies. New rosettes collected 
June 12, and flowers from July 14 to the first week in August. Fruits 
matured during the middle part of August. 
East shore of lake Mamawi, Nos. 2424, 2426; 30th base line district, 
Slave river, No. 769; Round lake, about 18 miles south of Pine lake, No. 
2423; Peace point, No. 2422; Indian graveyard, Peace river, No. 2425. 
Pulsatilla ludoviciana (Nutt.) Heller. Anemone patens L., var, Wolfgangiana (Bess.) 
Koch. Wild Crocus, Pulsatilla. 
Common on dry, sandy or rocky ridges and in dry prairies throughout 
the region. It is one of the earliest flowers of the spring. Late flowers 
have been found June 13, but most of the plants are in fruit by that time. 
They apparently reach the height of their flowering in the latter part of 
May and the first week of June, although occasional flowers are to be found 
through the entire summer. The juice of the plant is very acrid, and when 
handled often causes irritation and blistering of the skin. 
Along Quatre Fourches river, No. 765; Fort Smith, Nos. 766, 2403; 
Pine Lake district, Nos. 2404, 2405, 2406; Peace point, No. 2407. 
Ranunculus aqua tilis L., var. capillaceus DC, White Water Buttercup. 
Common in shallow lakes, ponds, and slow r streams throughout the 
area, sometimes becoming a creeping mud plant. Found in flower from 
mid-June to mid-August, and with immature fruit August 14. 
Cree (Mamawi) creek, No. 2370; 30th base line district, Slave river, 
No. 729; Moose (Eight) lake, No. 2369; Little Buffalo river, Russell, No. 91. 
