86 MICHIGAN ACADEMY OF SCIENCE. 



GROSSULARIACE^E Dumort. Gooseberry Family. 



RIBES L. 



1138. R. aureum Pursh. Permanently established on shore of Lake Huron, C. K. 

 Dodge. 



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



*1140. R. floridum L'Her. Wild Black Currant. Cheboygan Co., B. & K. South- 

 ward. Common. Th. 



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

 Rabbit, Winchell's Cat.; Chandler's, C. F. Wheeler. 



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

 Lake; Cheboygan Co., B. & K.; Keweenaw Co., 0. A. Farwell. 



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

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

 Keweenaw Co., 0. 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., Winch. Cat.; Cheboygan Co., B. & K.; Keweenaw Co., 0. A. Farwell. 

 Frequent. C. N. & 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. 



HAMAMELIDACE^E Lindl. Witch Hazel Family. 



HAMAMELIS L. 



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



PLATANACE^: Lindl. Plane-Tree Family. 



PLATANUS L. 



*1148. P. occidentalis L. Along our rivers. "The largest tree of the Atlantic 

 forests." Sargent. C. & S. 



ROSACES B. Juss. Rose Family. 

 OPULASTER Medic. PHYSOCARPA Raf. 



1149. 0. opulifolius (L.) Kuntze. Ninebark. Physocarpus opulifoliiis Maxim. 

 Along streams. Th. 



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. Hardback. Steeple-bush. Grand Rapids, G. D. Sones; 

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

 Ann Arbor, C. A. Davis; Ionia Co., and southward. Infrequent. C. & S. 



PORTERANTHUS Britton. GILLENIA Moench. 



1152a. P stipulatus (Muhl.) Britton. Near Detroit, O. A. Farwell. 

 1153. P. trifoliatus (L.) Britton. Indian Physic. Gillenia trifoliata Moench. 

 Bowman's Root. Winch ell Cat. Rare. S. 



RUBUS L. 



*1154. R. Americanus (Pers.) 0. A. F. Dwarf Raspberry. R. triflorus Richard. 

 Frequent. Th. 



1154a. R. argutus Link. Tall Blackberry. K eweenaw Co., O. A. Farwell. 



