No. 14.] 



FLOWERING PLANTS AND FERNS. 



441 



Temperature. 



North Tropical 

 America. America. 



Rubiaceae 



CaprifoHaceae 



Valerianaceae 



Dipsacaceae 



Campanulaceae 



Compositae 



20 



Europe. 



4 

 I 



I 



I 



I 

 53 



Eurasia. Asia. Unknown. 



SPECIES, VARIETIES AND NAMED FORMS IN SOME OF THE PRINCIPAL 



GENERA. 



