48 TWELFTH ANNUAL REPORT. 



GYMNOCLADUS, Lam. Kentucky Coffee-tkee. 



G, Canadensis. Lam. Kentucky Cotfee-tree. 



Houston county, near Dakota, Winona county, and Jordan, Scott county, WinchcU; 

 Lake City. Misf Maniiintj: Nicollet county (forming groves in tiie woods opposite to 

 Mankato ; attaining a diameter of six inches ; wood very liard, stralglit-grained, 

 valuable), Lciherg; New Ulni, Jmii; Seepy Eye, Brown county, Uphata. Infre- 

 quent. .South. 



DESMANTHUS, Wilkl. Pesmanthus. 



D. braohylobus, Benth. Desmanthus. 



Swan lakes, northwestern Redwood county, Uphain; Spirit lake, Iowa, Gaj-:)-. 

 South. 



ROSACE.E. Rose Family. 



PKUNUS, Tourr. Plum, Cherry, etc. 



P. Aiiierieaua, Marshall. Wild Plum. 



Conuuon, often abundant, throughout the state. Usually from lo to 20 feet high; 

 but north of lake Superior seldom exceeding 12 feet in hight, and often fruiting at 3 or 

 4 feet, C?a»-/.-. Fruit valuable, pleasant-flavored, rarely bitter, mostly purple, but not 

 infrequently varying from that color to yellow. 



P. piiniila, L. Dwarf Cherry. Sand Cherry. 



Common on sandy land through the north half of the state, and south to Miuneap- 

 olis ; local and rare farther south, as at Castle Rock and in Goodliue county, Saml- 

 hery, lake Pepin, Misg Mawiino, and section 33, Hart, Winona county, WincheU. 



P. PeiinsylA^aiiica, L. "Wild Red Cheny. Bird Cherry. 



Common throughout the state, excepting southwestward, where it occurs rarely. 

 Usually 15 to 30 feet high; but north of lake Superior its ordinary hight is about 12 

 feet, with a diameter of 2I2 inches, Clarl;. 



P. Virg'iniaaa, L. Choke-Cherry. 

 Common throughout the state. 



P. serotiiia, Ehrh. Wild Black Cheiry. 



Common throughout the state, excepting far northward, where it is absent or rare. 

 Macouii reports it as far west as the Kaministiquia river, lake Superior. 



NEILLIA, Don. NiNE-B.utK. 



N. opulitblia, Benth. and Hook. (Spiraea opulifolia. L.) Nine-Birk. 



Frequent throughout most of the state, but rare southward and westward ; abun- 

 dant north of lake Superior, especially along the shore, "clinging to bare rocks, often 

 within the sweep of the waves," ./(nil, Z^;^lcr^^•,• Rainy river and lake of the Woods, 

 jl/ncoun. 



SPIK^T^A, Meadow-Sweet. Spir.ea. 



S. salicilblia, L. Common Meadow-Sweef. Willow-leaved Spinea. 



Qa( en of the Meadow. 

 Common throughout the state. 



S. toiuentosa, L. Hardhack. Steeple- Bush. 



Frequent, in some places plentiful, in Hennepin, Anoka, Chisago, Isanti and Kana- 

 bec counties, Uohert^, Jtmi, UplKdiu East. [It is also found at lake AVinnipeg, 

 Jiicharih'iH.l 



