628 METASPERMAE OF THE MINNESOTA VALLEY. 



B. Table Illustrating the Distinctive Range of 



COSMOPOLITAN. 



EXTRATROPICAL. 



TROPICAL AND 

 SUBTROPICAL. 



Cypripedilum 



Smilax 



H ypoxis 



Dioscorea. .. . 



Iris 



Sisyrinchium 



Habenaria.. 

 Pogonia 



Habenaria 



Gyrostachys. . 



Leptorchis. 



Achroanthes. 



Salix.. 

 Myrica 



Quercus 

 Celtis. . 



Alnus. 



Aristolochia. 



Urtica 



Parietaria 



Laportea. 

 Adicea... 

 Ramium . 



Polygonum ... 

 Chenopodium 



Rumex. 



Sal sol a 



Froelichia . . 

 Amaranthus 



