86 MICHIGAN ACADEMY OF SCIENCE. 



GROSSULARIACEiE Dumort. Gooseberry Family. 

 RIBES L. 



1138. R. aureum Piirsh. Permanently established on sliore of Lake Huron. C. K. 

 Dodge. 



*1139. R. Cynosbati L. Gooseberry. Common. Th. 



*1140. R. floridum L'Her. Wild Black Currant. Cheboy^ran Co., B. & K. Soutli- 

 ward. Common. Th. 



*1141. R. gracile Miehx. Slender Gooseberry. St. Joseph's Island, and Sitting 

 Rabbit, Winchell's Cat.: Chandler's. C. V. Wheeler. 



1142. R. lactustre (Pers.) Poir. Swamp Gooseberry. As far south as Houghton 

 Lake; Cheboygan Co., B. & K. : Keweenaw Co., O. A. Farwell. 



*1143. R. oxyacanthoides L. Swamp Gooseberry. Low grounds along Fish Creek 

 and Maple River; Flint: iMacomb Co.. northward' and shore of Long Lake, B. & K. ; 

 Keweenaw Co., O. A. Farwell; Alma, Ann Arbor, C. A. Davis; Bay Co., G. M. Bradford. 



1144. R. prostratum L'Her. Fetid Currant. Flint; Isabella Co.; Missaukee Co.; 

 St. Joseph's Is., Wincli. Cat.; Cheboygan Co., B. & K. ; Keweenaw Co., O. A. Farwell. 

 Frequent. C. X. & P. 



1145. R. rotundifolium Michx. Thunder Bay Island, C. F. Wheeler. 



*1146. R. rubrum L. Red Currant. Deep swamps and cold woods, under tamaracks. 

 Ann Arbor; Ionia; Stanton; Cheboygan Co., B. & K. Infrequent. Th. 



HAMAMELIDACEiE Liudl. Witch Hazel Family. 

 HAMAMELIS L. 

 *1147. H. Virginiana J^. Common. Th. 



PLATANACE.E Lindl. Plane-Tree Family, 



PLATANUS L. 



*1148. P. occidentalis L. Along our river.s. '"The largest tree of the Atlantic 

 forests." Sargent. C. & S. 



ROSACEiE B. Juss Rose Family. 



OPULASTER .Medic. Phy.socarpa Raf. 



1149. 0. opulifolius (L.) Kuntze. Ninebark. I'hyxocdrpuK opiiUfoliiix ]\Iaxim. 

 Along streams. J'li. 



SPIRAEA L. 



*1150. S. salicifolia L. Common Meadow-Sweet. In marshes. Common. Th. 

 1151. S. sorbifolia L. Port Huron, C. K. Dodge. 



*1152. S. tomentosa L. Hardhack. Steeple-bush. Grand Rapids, G. 1). Sones; 

 north of the College ahout three and one-half miles, W. J. B. ; Sturgis, F. P. Daniels; 

 Ann Arbor, C. A. Davis; ioiiia Co., and southward. Inftequent. C. & S. 



PORTERANTHUS Britton. Gillenia Moench. 



1152a. P stipulatus (Muhl.; Britton. Near Detroit, 0. A. Farwell. 

 1153. P. trifoliatus (L.) Britton. Indian Physic. Oillcnid Irifoliata Moench. 

 Bowman's Root. W'iiK-hell Cat. Rare. S. 



RUBUS L. 



•1154. R. Americanus (Pers.) (). A. F. Dwarf Raspberry. J{. trifioru.s Richard. 

 Frequent. Th. 



1154a. R. argutus Link. Tall BlackbiMiy. Keweenaw Co., O. A. Farwell. 



