360 THE AMERICAN MIDLAND NATURALIST 
have been considered good reasons for the change of genus name. 
462. Aiolon canadense (Linn.) Nwd. & Ll. 
Nemorosa canadensis (Linn.) Nwd. in Am. Midl. Nat. Vol. 
ERE. 8 22 OA 
Anemone canadensis Linn. Syst. Ec 12. III. App. p. 231. 
(1768). Anemone pennsylvanica Linn. Mant. II. 247. (1771). 
Leeds, Pleasant Lake, Towner; Kulm (Brenckle). 
463. Aiolon canadense flavum Lunell, forma nova. 
Petalis parvis, flavis. Planta rara. 
A sporadic form with small, yellow petals. 
Church’s Ferry. 
ANEMONE heapheserue! Tour His, 238. (1604): 
464. Anemone Hudsoniana Richardson. Franklin’s rst 
Journey ed. II, App. 22. 
Butte (very rare). 
465. Anemone virginiana Linn. Sp. Pl. 540. (1753). 
Devils Lake, Dunsieth, St. John. 
466. Anemone cylindrica A. Gray. Ann. Lyc. 3: 221. (1836). 
Leeds, Butte, York, Pleasant Lake. 
PULSATILLA Adanson, Pam. Ply 2-460.(1763)). 
467. Pulsatilla hirsutissima (Pursh) Britton, Ann. N. Y. 
Acad: 63.257. (1801): 
Clematis hirsutissima Pursh. Fl. Am. Sept. 385. (1814). 
Pulsatilla Ludoviciana (Nutt). Heller (?). 
Anemone Nuttalliana DC. Reg. Veg. Syst. I: 193. (1818). 
The flowers are of two kinds: 1. Those appearing before the 
leaves in the earliest spring, with bright sepals of many different 
shades. Common. 2. hose appearing with or after the leaves 
during the whole summer, but only sporadically, with sepals of 
a pale or faded, white or whitish color. Leeds, Butte. 
CLEMATIS Dioscorides IV: 182. Plinius XXII: 1o 
468. Clematis virginiana Linn., Amoen. Acad. 4:275. (1759). 
Fargo (Bergman & Stevens). 
MYOSORUS Linn. Sp. Ph 284. (1753). 
469. Myosurus minimus Linn. 1. c. 
. Dickinson (Cl. Waldron). 
Family 44. THALICTRACEAE Greene, Leaflets II: 49. 
(1910). 
LEUCOCOMA (Greene) Nwd. in Am. Midl. Nat. III. p. 253. 
(1914). 
