6 



ESSENTIAL CHARACTERS 



OF 



THE GEXEBA OF MUSCI IIEPATIC1. 



1. Juxgermaxxia. Theca quadrivalvis, nuda, setae nnposita. 

 Semixum elateres lineares. 



2. Marchaxtia. Thecae membranaceac, apice dethiscentes, 

 rcconditae in receptaculo comiuii pedunculato. Semixum elateres 

 eapillares. 



3. Targioxia. Theca subunivalvis. Calyx bivalvis. Semi- 

 vim elateres nulli. 



4. Spiiaerocarpus. Theca globosa. Calyx inagnus univalvis, 

 apice perforatus. 



5. Axthoceros. Theca bivalvis linearis. Semixum elaterer 

 rompressi. Calyx vaginalis. 



6. Blasia. Theca univalvis. Semixum elateres nulli. Thec* 

 tubo extrorsum coronata apice biante. 



". Riccia. Theca frondi immersa, univalvis. 



This Work contains. 

 3 species of Juxgermaxxia, 



6 



a 



of Marchaxtia, 



1 



a 



of Targioxia, 



1 



a 



Of SrilAEROCARPUS, 



5 



(6 



of Anthoceros, 



1 



a 



of Blasia, 



4 



\i 



of Riccia, 



pedes of Hepatics. of whom 



* 30, 



i s> 



i 9 



* h 





t 3 



* I, 



t»» 



t 1 



* h 







* 2, 



*2. 



t E 



* 1, 







* 1, 



ih 





• 37, 



to, 



t 15 



• 



