STATISTICS OF METASPERMAE. 
635 
Genera Represented in the Minnesota Valley.— Continued. 
NORTHERN 
EXTRATROPICAL. 
WESTERN HEMISPHERE 
NORTH AMERICA. 
ee Ea Sb pte sone aboacs 
Ledum 
Chiogenes 
ORV COCCUS ysis id asewtrnte ea 
ee eee i 
Dirca 
Zizia 
i ere) 
Macrocalyx.... eleaaeee 
Hydrophyllum........ 
