224 FLORA OF MOUNT DESERT. 



J. pumila, With. 



On ground. Woods near Somes Pond (Rand). 

 J. barbata, Schreb. 



On rocks. Western Mt. (Eand). A variety on wet rocks, 

 northern end of Beech Mt. (Rand). 



J. attenuata, Lindenb. J. barbata, var. attenuata, Mart. 

 Gray, Man., 6th ed., 719. 

 On rocks, northern end of Beech Mt. ; on old tree. The 

 Heath, Great Cranberry Isle (Rand). 



J. ventricosa, Dicks. 



On old log, northern end of Beech Mt. (Rand). 

 J. excisa, Dicks. 



On decaying logs. Jordan Mt.; The Heath, Great Cranberry 

 Isle (Rand). 

 J. incisa, Schrad. 



On the ground and on decaying logs. Southern end of Great 

 Pond (Rand). 

 J. inflata, Huds. 



On ground and rocks ; frequent. Variable. Browns Mt.; 

 Beech Mt.; Sargent Mt. (Rand). A variety on wet rocks, 

 Sargent Mt. (Rand). A form with very small compressed 

 leaves, Robinson Mt. (E. Faxon). An aquatic form, pools on 

 summit of Beech Mt. ; on logs in water, Sunken Heath Brook 

 (Rand). 

 * J. Marchica, Nees. 



Under leaves (amphigastria) none; stem creeping, radicu- 

 lose, flexuous, subsimple or with offshoots at the apex, rather 

 thick, soft; leaves semi-vertical, spreading, ver}^ lax, subquad- 

 rate, repand, entire, pale, bifid with an angular sinus, retrorsely 

 gibbous and with divergent obtuse lacinioe (or more rarely 

 trifid) ; fruit unknown. Nees, Europ. Lebermoose, ii. 77. On 

 Sphagnum Bussowii, Beech Mt. (Rand). Spec, in herb. C. 

 Warnstorf. 



Nees did not include this species in the later work, Synopsis 

 Hepaticorum, nor is it mentioned in other works of importance. 



