260 



EEPOKT OF THE 



Wild Rod Cherry. p ruims Pennsylvania, L. 



False Presqu' Isle ; Drummond's I., very common ; Sugar I.; Emmet 

 Co.; S. E. (Wright). Small tree rarely exceeding 16 ft. in height. 



Choke Cherry. 



Wild Black 

 Cherry. 



Prunus Virginiana, L. (P. obovata — W.) 



Ann Arbor ; Sand Point, Saginaw B. ; False Presqa' Isle ; shore of L. 

 Mich. , Emmet and Antrim comities, abundant ; N. shore of L. Mich. 



Prunus serotina, Ehrhart. 



Ann Arbor • Presqu' isle ; Emmet Co. Frequently attains the size of 

 " a fine large tree." The largest specimens seen occur in Shiawas- 

 see Co. , where it is an abundant ibrest tree. 



Spiraea opulifolia, L. 



Ann Arbor; Thunder B. Is., 7 July; Lit. St. Martin'Bl.; Drummond'fll.. 

 common; Elk Rapids, Antrim Co., common; its clusters of white 

 flowers, or Ted winged pods, making it one of the most attractive 

 shrubs of the forest. 



Common Mead- 

 ow-sweet. 



Hardhack, 

 Steeple-bush. 



Queen of the 

 Prairie. 



Bowman's Root. 



Common Agri- 

 mony. 



Small-Flowering 

 Agrimony. 



Canadian Burnet. 



Avens, 



Large-leaved 

 Avens. 



Water or Purple 

 Avens. 



Barren Straw- 

 berry. 



OmquefoiL 



Spiraea salicifolia, L. 



Ann Arbor; Alpena Co., 6 July; Drummond's I. ; Bruce Mine,Ca, ; S 

 Mich. (Wright). Less common than the last. 



Spiraea tomentosa, L. 



S. W. (Wright) ; Mont Lake, (Miss Clark). 



Spiraea lobata, Murr. 



S. Mich. (Wright). 



Gillenia trifoliata, Meoench. 



S. Mich. (Univ. Herb). 



Agrimonia Eupatoria, L. 



Ann Arbor; Ft. Gratiot; Pt. au Chene, L. Mich., 18 Aug. 



Agrimonia parvifiora, Ait. 



Detroit, (Miss Clark). 



Sanguisorba Canadensis, L. 



S. Michigan, (Wright). 



Geum album, Gmelin. 



Shore of Saginaw B. , 26 June ; Pt. an Chene, L. Mich. , 18 Aug. 



Geum Virginianum, L. 



Ann Arbor ; Ft. Gratiot. 



Geum macrophyllum, Willd. 



Ft. Gratiot? (Austin.) 



Geum strictum, Ait. 



Ann Arbor ; Ft. Gratiot ; Bois Blanc I.; Ottawa, Iosco Co. 



Geum rivale, L. 



Ann Arbor ; Mackinaw ; Lit. St. Martin's I. 



Waldsteinia fragarioides, Tratt. 



Livingston Co., 14 May; S. Mich. (Univ. Herb.) 



Potentilla Xorvegica, L. 



Grass Island, Thunder Bay, 3 July ; Drummond's I. , common , 24 Ju*y 

 Ann Arbor, (Miss Clark). 



