64 
IOWA ACADEMY OP SCIENCE 
78. Phegopteris dryopteris (L.) Fee. Oak Fern. Moist places 
on river bank. 
31. Pteris aquilina L. Common Brake. Eight to ten inches 
high. Not abundant. 
Aspidium novehoracense (L.) Sw. Wood Fern. Fiver 
bank. 
34. Aspidium spinulosum (0. F. Muller) Sw. Wood Fern. 
Fiver bank. 
OPHIOGLOSSACE^. 
200. Botrychium virginianum (L.) Sw. Fattlesnake Fern. 
Fiver bank. May, 1915. 
EQUISETACE.®. 
23. Equisetum arvense L. Horsetail. On cleared ground. In- 
frequent. 
132. Equisetum hyemale L. Scouring Fush. Fiver bank. 
April, 1915. 
207, 70, 95. Equisetum sylvaticum L. Wood Horsetail. On 
cleared ground. Abundant. 
LYCOPODIACE^, 
163. Lycopodium annotinum L. Club Moss. Fiver bank. May, 
1915. 
54. Lycopodium ohscurum v. dendroidexim Gray. Club Moss. 
Along Winnipeg river at Minaki, Ontario. 
169. Lycopodium oLscurum v. dendroideum Gray. Club Moss. 
Fiver bank. May, 1915. 
139. Lycopodium complanatum- flahelliforme Fernald. Ground 
Pine. Littlefork, Minnesota (Annette Miller). 
191. Lycopodium complanatum flabelliforme Fernald. Ground 
Pine. Fiver bank. April, 1915. 
PINACE^. 
Pinus Stroi)us L. White Pine. Observed on rocky island 
opposite collecting ground. 
36. Pinus Strobus L. White Pine. Fiver bank. Mainland. 
May, 1915. 
84. Pinus resinosa Ait. Fed Pine. Not seen in this locality. 
Hibbing, Minnesota. 
193, 5. Larix laricina (Du Foi) Koch. Tamarack. Near river^ 
farther east. 
