Jungermannia.'} HEPATIC M. 241 



78. J.furcata; frond linear dichotomous membranaceous costate 



glabrous above, beneath and on the margin more or less hairy, 

 fruit from the underside of the midrib, calyces two-lobed 

 conduplicate, the margin ciliated, calyptra ovate hispid. 



Jungermannia furcata. Hook. Brit. Jung. t. 55, 56. Engl. Sot. t. 

 1632. andt. 2514. (J.fruticulosa.) 



HAB. Trunks of trees, plentiful. 



79. J. pubescens ; frond linear dichotomous membranaceous cos- 



tate pubescent on both sides. 



Jungermannia pubescens. Hook. Brit. Jung. t. 73. 

 HAB. Moist rocks. 



* * Calyx double. 



80. /. Lyellii ; frond oblong somewhat branched thin costate the 



margin nearly entire, fruit from the upper part of the fronds, 

 calyx double, the exterior very short and the margin lacini- 

 ato-dentate, interior much exserted cylindrical subplicate, 

 calyptra somewhat longer than the calyx. 



Jungermannia Lyellii. Hook. Brit. Jung. t. 77. 



HAB. Wet bogs, rare. 



81. J. hibernica; frond oblong dichotomous thin costate the 



margin entire, fruit from the upper part of the fronds, calyx 

 double, exterior very short laciniated, interior much exserted 

 ovato-cylindrical subplicate, calyptra much shorter than the 

 interior calyx. 



Jungermannia hibernica. Hook. Brit. Jung. t. 88. and Suppl. t. 4. 

 / 1-6. 



HAB. Wet bogs, Ireland and Scotland, rare. 



FINIS. 



Q 



