240 HEPATIC^. [Jungermannia. 



HAB. On the ground, and creeping over low bushes, 

 especially in subalpine countries, common. 



B. FRONDOSE. 

 a. Without a nerve. 



74. J. pinguis ; frond oblong decumbent nerveless fleshy plane 



above beneath tumid irregularly branched, the margin sin- 

 uate, fruit from the lower part near the margin, calyces very 

 short, the mouth dilated fimbriated, calyptra exserted oblongo- 

 cylindrical smooth. 



Jungermannia pinguis. Hook. Brit. Jung. t. 46. Engl. Bot. t. 185. 



HAB. Bogs and watery places. 



75. J. multifida; frond linear nerveless fleshy compressed pin- 



natifidly branched, fruit marginal, calyces very short, the 

 mouth dilated fimbriated, calyptra exserted oblongo-cylin- 

 drical tuberculated. 



Jungermannia multifida. Hook. Brit. Jung. t. 45. Engl. Bot. t. 

 186. andt. 1476. (J. sinuata.) 



HAB. Wet spots on heaths, sides of ditches and stumps of 

 decayed trees. 



b. Fronds furnished with a nerve. 

 * Calyx simple. 



76. J. Blasia ; frond oblong submembranaceous dichotomous 



costate below having scattered toothed scales, fruit arising 

 from the upper part of the midrib, calyx and calyptra with- 

 in the frond. 



Jungermannia Blasia. Hook. Brit. Jung. t. 82, 83, and 84. 



Blasia pusilla. Engl Bot. t. 1328. 



HAB. On the ground, in alpine countries. 



77. J. epiphylla ; frond oblong submembranaceous irregularly 



divided obscurely costate the margin entire or somewhat 

 lobed and sinuated, fruit from the upper part of the fronds 

 and near the apex, calyces subcylindrical plicate, mouth some- 

 what dilated inciso-dentate, calyptra exserted smooth. 



Jungermannia epiphylla. Hook. Brit. Jung. t. 47. Engl. Bot. t. 771. 



HAB. Moist ground, frequent. 



