TB^ CLASSIFICATION OF SPFICIJSS 



435 



rum " (London, 1862 — 1883 ) . In this country it has been followed, 

 with only minor variations, in all the taxonomio works of Asa Gray, 

 the greatest American systematist. The general acceptance of the 



Pig. 435. 

 Asa Gray. 1810-1888. 



evolution -method of creation, however, is causing systematists to 

 break away from the older systems. At present the sequence of 

 Engler & Prantl's "Die Naturlichen Pflanzenf amilien " is probably 

 most favorably received. 



