Hepatkce of North America. 125 



Tribe VI. JUXGERMANIE^. 



Involucre oligopbyllous A 



Involucre polypliyllous F 



Leaves of involucre conduplicate. Diplophijllutii. 

 Involucre 2-leaved, the leaves concave, deeply bilobed, 

 dissected ciliate. Blepharozia. 

 B -{ Involucre 2-leaved, the leaves concave, entire. Pleii- 

 )r)zia. 



Leaves of involucre 2-mauy-dentate C 



^ Leaves of involucre undivided, entire. Aplozia. 



! Leaves of involucre like those of thenj. (JiiDiiiocoJeii. 

 Leaves of involucre and of stem dissimilar D 



\ Mouth of inner involucre cristate. LopJioroIea. 



D ] . . 



/ Mouth of inner involucre dentate E 



[ Inner involucre semiconnate with calyptra. Harpan- 

 E -j thus. 



[ Calyptra free within the inner involucre. JtnKjerniaitia. 



{ Leaves of involucre dissected. CeplmJozia. 

 F \ Leaves of involucre articulate-ciliate. Bh'p)harostotna. 

 i Leaves of involucre palmate. Anthelia. 



Tribe VII. Chiloscyphe^. 



(Inner involucre shorter than the calyptra. (liilosrij- 

 A \ pltiiH. 



1 Inner involucre longer thaji the calyptra B 



\ Involucre oligophyllous. CoIeorJiiht. 



I Involucre polyphyllous C 



Leaves of involucre squamiforni. Lepidoziu. 

 Leaves of involucre undivided, serrulate. Pleuroschisma. 

 j^ Leaves of involucre bilobed. Odontoschisma. 



