52 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



Jungermannia pumila With. X^t 



On wet rocks, often in brooks. May and June. New 

 Haven: Hamden (1877), /. A. Allen; North Branford, 

 Evans. 



Greenland south to Maryland; Europe. 



Ref. Evans, 28, 171. 



Jungermannia cordifolia Hook. 3.^ ^ 



On wet rocks along streams. Hartford: Windsor (1903), 

 Miss Lorenz. 



Greenland west to Alaska and south to New England and 

 Colorado; Europe; Asia; South America. 



Ref. Evans, 30, 170. 



Jamesoniella (Spruce) Steph. 



Jamesoniella autumnalis (DC.) Steph. Jungermannia 

 Schraderi Mart, a T 2- 



On banks, rocks, and rotten logs. Sept.-Nov. Litch- 

 field: New Milford, Evans; Salisbury, Adams. Hartford: 

 Simsbury, Miss Lorens. Tolland: Vernon, Nichols. New 

 Haven: Bethany, Evans; Hamden (1878), Eaton; Nauga- 

 tuck, Evans; New Haven, O. D. Allen; Orange, Evans; Ox- 

 ford, Harger; Woodbridge, Nichols. Middlesex : Cromwell, 

 Evans. 



Greenland to British Columbia and south to Virginia and 

 Missouri; Europe; Asia. 



Ref. Eaton, 15, 71. Evans, 28, 171. 



Lophozia Duniort. 



1. Leaves bidentate or bilobed throughout 2 



Leaves tri- or quadridentate, at least on fertile stems, 



sometimes bidentate on poorly developed stems 7 



2. Teeth or lobes acute 3 



Teeth or lobes rounded L. inflata 



3. Underleaves none; perianth plicate in upper part, and not 



strongly contracted at the mouth 4 



Underleaves present; perianth scarcely plicate in upper part, 

 and contracted at the mouth into a short beak..L. Muelleri 



4. Dioicous 5 



Monoicous (paroicous) 6 



