VOLUME 22 PART 3 
NORTH AMERICAN FLORA 
GROSSULARIACEAE 
FREDERICK VERNON COVILLE, NATHANIEL LORD BRITTON 
PLATANACEAE 
HENRY ALLAN GLEASON 
CROSSOSOMATACEAE 
JoHN KUNKEL SMALL 
CONNARACEAE 
NATHANIEL LORD BRITTON 
CALYCANTHACEAE 
{ CHARLES LovIS POLLARD 
ROSACEAE (pars) 
Prr AXEL RYDBERG 
: PUBLISHED BY 
' THE NEW YORK BOTANICAL GARDEN 
JUNE 12, 1908 
