CONTRIBUTIONS FROM THE NEW YORK 
BOTANICAL GARDEN—No. 220," 
NOTES ON ROSACEAE— XII 
PER AXEL RYDBERG 
NEW YORK 
1920 
Reprinted, without change of paging, from BULLETIN OF THE TORREY BotantoaL CLUB 
47: 45-66. March 10, 1920. ee We 
1S 
