KEY TO PLATE V 



No. I. D»is'f(Jfeais/ierifnttis, L.) 



a, Ray or Kgulatc flortL d. Disk or 

 tubular floret. i', Achenfc </, Plant, 

 showing rosette of radical leaves, and 

 fibrous roots below, with 3 scapes bearing 

 flowerbeads in different stages. 





, Rtiy or'ligulilci flo^^ *, i3lbk-of 



tubular floret, c, Ach«ne. d, Rootstock, 

 with radical les^yes. e, Upper portion of 

 ,\ plant, witi^ cotymliose inflores^ce. 



.^^:^i 



(^\ \ lHp.3./px^y^D«i5y ! ,' 



''Chrysttnt/iftkiim ILeucanthfittfirn, 1^.)' ^\ 



a, Ray or ligulate floret. i. Disk \of^ 

 tubular floret c, Achene, ribbed, d, Rcot-" 

 stock, with 2 leaves, e, Flowerhead and 

 a flower-bud. 





No.^ Knapweed {fiememrea nij(ra, L.) 

 a, Ligulate floret. b, CcBnpIete floret. 



c. Fringed sc^e of involucre (phyllar>'). 



d, Achene, ^fh .pappus, .t, Radicai leaf. 

 /5 Upper poVtioDjilaf plant, #1th"fl6|Wer 

 he^s in di^rCnt stages and stem-lea!tres. 



B~^^ i 



