282 NEW HEPATICiE. 



observation it is reasonable to expect that the cellular 

 structure of the leaves would appear different in distinct 

 species of Hepaticae. Thus the microscopic phenomena are so 

 different in S. communis, Nees, and in Jung, denudata, Nees, 

 that we may safely conclude them to be distinct, without 

 taking into account the drier locality, darker colour, upright 

 stems and presence of stipules in the latter. 



5. Pleuranthe, Taylor. 



Calyx basi radicans, solidus, incurvus, folia tria perichse- 

 tialia ferens, e caulis ventre oriens, medio carnosus, teres, 

 cylindricus, apice membranaceus, conicus, subcompressus, 

 ore subplicato, bi-tri-lacero-laciniato. Calyptra calycis fauci 

 insidens. Elateres bispiri. Capsula subquadrivalvis. 

 1 . P. olivacea, Tayl. 



Hab. North America. J. Drummond, Hook. Herb. 

 Caules implexi, flexuosi, reclinati, radicantes, semiunciales, 

 subsimplices, pallide olivacei. Folia sursum secunda, 

 imbricata, erecto-patentia, recurva, unde surculi canah- 

 culati, rotundato-oblonga, sinu brevi emarginata. Stipulse 

 lanceolatae, integerrimee. Calycis basis solida receptacuh 

 vice fungitur, ejus folia tria caulinis multo minora sunt 

 atque erecta ; pars autem media, ante pedicelli elongatio- 

 nem, capsulam mactam tenet. Pedicellus vix semiuncialis. 

 Capsula late ovalis. Flores masculi ignoti. Fructus junior 

 primum in stipulae axilla apparet, minutus, globularis, 

 albidus. Desunt radices flagelliformes. 



6. Chiloscyphus, Nees. 



1. C. Cubans, Tayl.; caule laxe implexo, procumbente, subra- 

 moso ; foliis alternis, contiguis, patentibus, oblongis, apice 

 rotundatis, subquadridenticulatis ; stipulis minutis, rotun- 

 dato-quadratis, bifidis basi extus bispinosis. 



Hab. Nepal, Wallich. 

 Brownish. Stems 1 inch long. Shoots complanate. Leaves 



horizontal. Stipules scarcely wider than the stems. — This 



approaches to C. Endlicherianus, Nees ; it is distinct by the 



