GENERIC NAMES. 367 



a kind of generic names that has of late be- 

 come more common than Linnaeus probably 

 would have approved, though he has once or 

 twice allowed it; I allude to those com- 

 pounded either of two established names, or 

 of one combined with any other word. Of 

 the former number is Calamagrostis, formed 

 of Calamus and Agrostis, two Linnaean 



names; and this is no where sanctioned by 

 i 



any good authority. Happily the genus to 

 which it has negligently been applied is an 

 Arujido. Of the latter sort is Cissampelos, 

 formed of Cissus, another established genus, 

 and Ampelos, a Vine ; the latter not among 

 Linnaean names : also Eheagn as, constructed 

 Gf two old Greek names, neither of which is 

 now in botanical use by itself. These are 

 both expressly allowed by Linnaeus, nor in-* 

 deed can there be any objection to the latter. 

 Cissampclos may certainly justify Hyoscya- 

 muSy composed of Cyamus and a word de- 

 noting swine ; if not, this would prove an 

 objection to the reestablishment of Cyamus^ 

 much more to the purpose than any that has 

 been advanced; for Hyoscyamus having been 

 so long and universally used in systematic; 

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