MEMOIRS FROM THE DEPARTMENT OP BOTANY OF COLUMBIA UNIVERSITY 



207 



GEOGRAPHIC DISTRIBUTION OF THE POTENTILLEAE OF NORTH AMERICA. 



Greenland 



Labrador and Baffin Bay 



Arctic Coast 



Alaska 



British Columbia 



Canadian Eocky Mountains 



Saskatchewan Eegion 



Canada 



ISew England and Middle States 



Southern States 



Prairie Region 



Great Plains 



Eocky Mountains 



Oregon-Washington 



California 



Great Basin 



Texas- Arizona 



ISTorthern Mexico 



Lower California 



Southern Mexico 



Central America 



Confined to 1 region 



Common to 2 or 3 regions 



Common to 4-12 regions 



Generally distributed 



Total 



Native 



Introduced 



Native also of Europe 



Native also of Asia 



Native also of Europe and Asia . 



o 



10 

 10 



9 



9 

 10 

 16 

 20 



5 

 12 



3 

 11 

 17 

 42 

 19 

 12 



4 

 20 



7 



3 

 18 



1 



49 

 39 

 17 



2 



107 





W 



1 



1 



5 



36 



10 



33 



13 



1 



47 



CO 



CO 



a 



o 

 O 



a 



<1 



a 



o 



c3 

 m 



i ^ 

 to 



<s 

 ,^ 

 o 

 1=1 

 





in 



o 



.ft 



o 

 o 



a 



o 



o 



t 



I 

 O 



20 



13 



o 



<D 



o 



15 

 17 

 12 

 16 

 22 

 28 

 29 

 16 

 25 



8 

 17 

 26 

 61 

 53 

 64 

 23 

 27 



8 



7 

 19 



2 



97 



65 



33 



3 



198 



19 

 1 



13 



188 

 10 

 12 

 10 

 11 



