BEAL ON MICHIGAN FLORA. 87 



*1155. B. Baileyanus Britton. Belle Isle, 0. A. Farwell. 



*1156. R. Canadensis L. Dewberry. Low Blackberry. R. Millspaugliii Britt. Lake, 

 Cheboygan Co., C. F. Wheeler; Alma, Ann Arbor, C. A. Davis; Keweenaw Co., 0. A. 

 Farwell. Black. Frequent. Th. 



1157. R. Ensleni Tratt. Enslen's Dewberry. Detroit and vicinity, O. A. Farwell. 

 1157a. R. frondosus Bigel. Leafy-bracted Blackberry. R, villosus frondosus Bigel. 

 Keweenaw Co., and Detroit, 0. A. Farwell. 



*1158. R. hispidus L. Running Swamp-B. Very abundant through the central in the 

 pine country. Th. 



*1160. R. neglectus Peck. Hubbardston; Birmingham; Belle Isle; Alma, C. A. Davis. 

 1161. R. nigricans Bydb. Peck's Dewberry. Detroit and vicinity, 0. A. Farwell. 



*1161a. R. nigrobaccus Bailey. High Bush Blackberry. R. mllosus A. Gray. Very 

 common in Central Mich., rare in U. P. 



*1162. R. occidentalis L. Black R. Thimbleberry. Hybrids between this and 

 R. strigosus frequently occur. Common. Th. 



1163. R. odoratus L. Purple Flowering Raspberry. From Ft. Gratiot (Winchell) 

 northward. Not observed in the interior of the C. & S. Common in N. and U. P. Th. 



1164. R. parviflorus Nutt. Salmon-berry. R. Nutkanus Mocino. Salmon-berry. 

 Frequent at Petoskey and common farther north; Elk Rapids, W. S. Cooper. N. & U. P. 



1164a. R. procumbens Muhl. Low Running Blackberry. R. Canadensis T. & G., 

 not L. Keweenaw Co., Detroit, O. A. Farwell. 



*1165. R. setosus Bigel. Bristly Blackberry. Vestaburg, C. F. Wheeler. 

 *1166. R. strigosus Michx. Wild Red Raspberry. Variable. Common. Th. 



DALIBARDA L. 



1169. D. repens L. Ann Arbor, Mary Clark; Macomb Co., Cooley. May occur 

 farther north, and perhaps throughout. Lake Huron, Bell, Canadian Catalogue. 



DRYMOCALLIS Fourr. POTEXTILLA, in part. 



*1170. D. arguta (Pursh.) Rydb. Tall Cinquefoil. Potentilla arguta Pursh. Flow- 

 ers either white or yellow, generally all in one locality of one color. Alma; Ann 

 Arbor; Macomb Co.; Ionia; and N. to Isle Royal. Frequent on light sand; in places 

 common. Th. 



DASIPHORA Raf. POTENTILLA, in part. 



*1171. D. fruticosa (L.) Rydb. Shrubby Cinquefoil. Potentilla fruticosa L. Edges 

 of swamps. Ranges N. to Arctic America. Common. Th. 



SIBBALDIOPSIS Rydb. POTENTILLA, in part. 



1172. S. tridentata (Soland.) Rydb. Three- toothed Cinquefoil. Potentilla tridentata 

 Soland. Barrens of Missaukee Co.; Grayling; shores of the Upper Great Lakes, A. 

 Gray; Isle Royal, Dr. Lyons; Roscommon, C. A. Davis. N. & U. P. Frequent. 



FRAGARIA L. 



1173. F. Americana (Porter) Britton. American Wood Strawberry. F. vesca Ameri- 

 cana T. G. Porter. Keweenaw Co., O. A. Farwell; Baldwin, W. J. B.; Vestaburg, C. A. 

 Davis; Alpena, C. F. Wheeler. 



1174. F. Canadensis Michx. Northern Wild Strawberry. N. 



*1175. F. Virginiana Duchesne. Virginia Strawberry. F. Virainiana Illinoensis 

 Prince. Common. Th. 



COMARUM L. POTENTILLA, in part. 



*1176. C. palustre (L.) Marsh Cinquefoil. Potentilla plustris Scop. Swamps 

 throughout, but nowhere abundant. 



ARGENTINA Lam. POTENTILLA, in part. 



1177. A. Anserina (L.) Rydb. Potentilla Anserina L. Silver- weed. Frequent, 

 along the Great Lakes, but rare in the interior. Banks of Higgins Lake, G. H. Can- 

 non; Baldwin, W. J. B.; Otsego Co., Guy L. Stewart; Huron Co., C. A. Davis. 



