iS TWELFTH ANNUAL REPORT. 



GYMXOCLADUS, Lam. Kentucky Coffee-tkee. 



G. Canadensis. Lam. Kentucky Coffee-tree. 



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

 Lake t'ity. Miss Manniuii; Nicollet county (forming groves in the woods opposite to 

 Mankato ; attaining a diameter of six inches ; wood very hard, straight-grained, 

 valuable), Liihero; New Ulni, Jnni; Sleepy Eye, Brown county, Upham. Infre- 

 quent. South. 



DESMANTHUS, Willd. Desmanthus. 



D. bracliylobus, Beuth. Desmanthus. 



Swan lakes, northwestern Redwood county, Uphain; Spirit lake, Iowa, Giyer. 

 South. 



EOSACE.E. KosE Family. 



PKUXUS, Tourc. Plum, Cherry, etc. 



P. Americana, Marshall. AVild Plum. 



Common, often abundant, throughout the state. Usually from 10 to 20 feel high; 

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

 4 feet, CZo>-/;. Fruit valuable, pleasant-flavored, rarely bitter, mostly purple, but not 

 infre(iuently varying from that color to yellow. 



p. piiniila, L. Dwarf Cherry. Sand Cherrj^ 



Common on sandy land through the north halt of the state, and south to Miimeap- 

 olis ; local and rare farther south, as at ('astle Rock and in Goodhue county. Sand- 

 hero, lake Pepin, Miss Mannimj, and section 33, Hart, Winona county, Winchell. 



P. Pennsjlvanica, L. Wild Red Cherry. Bird Cherry. 



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

 Usually l.") to 30 feet high; but north of lake Superior its ordinary hight is about 12 

 feet, with a diameter of 2'; inches, Clarl-. 



P. Virg'iniana, L. Clioke-Chen-y. 

 Common throughout the state. 



P. serotina, Ehrh. Wild Black Cherry. 



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

 Maconn repoVts it as far wesc as the Kaministiquia river, lake Superior. 



NKILLIA, Don. Nine-Bark. 



N. oimlitblia, Benth. and Hook. (Spirica opulifolia. L.) jSTine-Bark. 



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," Jnni, Roberts; Rainy river and lake of the Woods, 

 Mnroun. 



SPIK^-KA, Meadow-Sweet. Spie.«a. 



S. salioitolia, L. Common Meadow-Swoet. Willow-leaved Spir:ea. 



Qufen of the Meadow. 

 Common throughout the state. 



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



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

 bec counties, Rohert^, Juni, Uiih<tm. East. [It is also foiind at lake Winnipeg, 

 Rieliardifiin. \ 



