820, clandes. marriages, flags. Marchantia. 



1 198. MARCHANTIA. Male Calyx targetted, 



cover'd underneath with the i-pe- 

 tal'd corols. Anthers many-cleft. 



Fem. Calyx feffile, bell'd, many-feeded. 



polymorpha. I. M. cal. common ten-cleft. many-form, 



chenopoda. 2. M. cal. common halved handed four-cleft, goofe- 



fooU 

 cruciata. 3. M. cal. common four-parted; divifions tubular. 



crofs. 

 tenella. 4, M. cal. common hemifpheric pointletted : margin 



radiated in folds. tender* 



hemifpharica. 5. M. cal. common five-cleft hemifpheric, perichetium 



none. hemispheric, 



conica. 6. M. cal. common five-cell'd nearly egg'd. conic. 



androgyna. 7. M. cal. common intire hemifpheric. androgynous. 



1 199. BLASIA. Male? Cal. cylindric replete 



with grains. 



Fem. ? Cal. naked. Fruit roundifh 

 immerfed in the leaves, many- 

 feeded. 



pufilla. 1. Blasia. feeble. 



1200. RICCIA. Cal. o, except a bladdery cavity 



within the fubftance of the leaf. 

 Cor. o. Anther cylindric, feffile, 

 placed upon the germ. Pijl. 

 Germ top-fhape. Style thread- 

 form, perforating the anther. 

 Pericarp fpherical, crowned with 

 a wither'd anther. Seeds hemif- 

 pheric, pedicel'd. 



cryftallina. I. R. fronds papillous on the fuperfices. cryjlalllne. 

 minima. 2. R. fronds, fmooth two-parted acute. lea ft. 



3. R. 



