Vol. 50 No. 2 
7 BULLETIN 
OF THE 
TORREY BOTANICAL CLUB 
FEBRUARY, 1923 
Notes on Rosaceae—XIV 
Per AXEL RYDBERG 
ROSES OF THE PRAIRIES AND PLAINS 
The area here treated comprises the states between the 
_ Mississippi River and the Rockies and north of Oklahoma, with 
the exception of Missouri, in which so many southern plants 
are found and in which the Ozark Mountains have a different 
flora from the plains. As a key to the groups has already been 
published in a preceding paper,* I shall here omit the same, 
and I shall omit also the general discussion of any species 
already treated there, only citing specimens collected in the 
region now under consideration. 
I. SYNSTYLAE 
Leaflets glabrous or slightly pubescent on the veins be- 
| een and shiny above. 1. R. setigera. 
Leaflets velutinous-pubescent beneath, rather dull above. 
2. R. rubifolia. 
I. ROSA SETIGERA Michx. 
Kansas: Cherokee County, 1896, Hitchcock 676. 
2. ROSA RUBIFOLIA R. Br. 
KANSAS: Manhattan, 1892, Clothier. 
II. CANINAE 
3. ROSA RUBIGINOSA L. 
Kansas: Riley County, 1896, J. B. Norton 677; 1897, 
Clothier 1107. 
*See Bull. Torrey Club 45: 45-66. 1920. 
[The BuLLeTIN for January (50: 1-60. pl. z) was issued February 7, 1923.] 
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