52 TWELFTH ANNUAL REPORT. 



R. villosiis. Ait. High Blackberry. 



Frequent, occasionally plentiful, throughout most of the state ; but rare or want- 

 ing in some districts, especially southwestwara and far northwest. Local. 



K, villosus, Ait., var. froiirtosus, Torr. High Blackberry. 

 Between lake Superior and lake Winnipeg, Richardson (^Macoun). 



R- Canadensis, L. Low Blackberry. Dewberry. 



Frequent, or common, through the east part of the state, extending west to Blue 

 Earth county, Leiberg, Fergus Falls, Leonard, and the White Earth reservation, Gar- 

 riaon; north of lake Superior, Agassiz, Macoun. 



R. liispidus, L. Running Swamp-Blackberry. 



Similar in range with the last. Minneapolis, Griswold ; Sherburne county (com- 

 mon), Upliam; Fergus Falls, Leonard; upper Mississippi river. Garrison. 



ROSA, Tourn. Rose. 



R. Carolina, L. Swamp Rose. 



Houston county, Winchell; Blue Earth county, Leiberg ; Northfield, Chaney; Mor- 

 rison county, Miss Babbitt. Infrequent. 



R. parviflora, Ehrh. (R. lucida. in Manual.) Dwarf Wild- Rose. 



North of lake Superior (common), Roberts; White Earth reservation, Oarrison; 

 Kanabec county (common), Up/iam; St. Croix Falls, Miss Field; Hennepin and Fill- 

 more counties, Winchell; Rice county, Spcrry; Goodhue county, Blake, Sandberg. 



R. blanda, Ait., var. pubesceus, Cr(?pin.* Early Wild Rose. 



Common, often abundant, in all parts of the state; the only species of rose (but 

 occurring in two varieties) in our prairie region, there varying in bight from about one 

 foot, or sometimes two feet on the prairie, to three or four feet in groves and thickets, 

 or even six feet, according to Roberts, In Grant county. 



R. blanda, Ait., var. setigera, Cr^pin.f Early Wild Rose. 



Specimens collected in Minneapolis are referred by Watsoii to this variety, which 

 probably occurs, less frequently than the preceding, throughout the state, being most 

 common northward. 3 



CRATAEGUS, L. Hawthorn. White Thorn. 



C. coccinea, L. Scarlet-fruited Thorn- 

 Frequent, occasionally common, through most of the state ; extending "north to 

 the international boundary, but not much beyond it," J?e?L [Emerson and Winnipeg, 

 Manitoba, Dawson, Macoun.] 



C. tonientosa, L. Black Thorn. Pear Thorn. 

 Common, or frequent, throughout the state. 



C. tonientosa, L., var. pyrifolia. Gray, Black or Pear Thorn. 



Olmsted county, Winchell; American portage, near the international boundary 

 west of lake Superior. Macoun. 



C. tonientosa, L., var. punctata, Gray. Black or Pear Thorn. 



Martin county, Cratty; Olmsted county and lake Minnetonka, Winchell; Minne- 

 apolis, Upham; Pembina, ChieJiering. Perhaps the typical species is less common than 

 these varieties. 



*RosA BLANDA, Alt., var. ruBESCENS, Crcplu. Leaflets more or less pubescent on 

 the under side ; upper part of the stems, as well as the branches and flowering branch - 

 lets, unarmed or nearly so. Crepin's Monograph . 



IRosA BLANDA, Ait., var. SBTiGERA, Crcpiu. Leaflets glabrous or pubescent on the 

 under side ; stem not ordinarily more than a foot high, entirely covered with setaceous 

 prickles. Crepln's Monograph. 



