No. II.] THE BRYOPHYTES OF CONNECTICUT. 47 



Fossombronia Wondraczekii (Corda) Dumort. 



In damp fields and along roadsides. Sept.-Nov. New 

 Haven: Oxford (1894), Harger. Middlesex: Portland, 

 Johnson. 



New England west to Indiana and south to Maryland ; 

 Europe; Asia. 



Ref. Evans, 24, 10; 28, 170. 



Fossombronia foveolata Lindb. 



In damp fields and along roadsides. Sept.-Nov. New 

 Haven : Branford, Cheshire, and Hamden, Evans; Milford, 

 Miss Lorens; New Haven, Evans; Orange (1879), /. A. 

 Allen. Middlesex: Portland, Evans. 



Quebec and Ontario west to British Columbia and south 

 to New Jersey and Delaware; Europe. R-t . 4-c-*^^. J~c «-/ 



Ref. Evans, 28, 170. 



FAMILY JUNGERMANNIACE^ 



1. Leaves undivided and v^rith entire margins 2 



Leaves variously toothed, lobed, cleft, or divided 9 



2. Archegonia borne on the stem or a leading branch 3 



Archegonia borne on a short branch, usually arising 



ventrally 7 



3. Bracts undivided, similar to the leaves 4 



Bracts variously incised or cleft Jamesoniella, p. 52 



4. Uppermost bracts apparently adnate with the base of the 



perianth Nardia, p. 50 



Uppermost bracts entirely free from the perianth 5 



■5. Perianth terete and more or less contracted at the mouth 



Jungermannia, p. 51 



Perianth laterally compressed and truncate at the mouth 6 



6. Growing in damp or wet woods on various substrata; 



stems with few or no rhizoids; leaves never gemmiparous 



Plagiochila, p. 56 

 Growing in open bogs; stems with numerous rhizoids; 

 leaves often gemmiparous Mylia, p. 56 



7. Leaves succubous; sporophyte enclosed within a perianth 8 

 Leaves incubous; sporophyte developed within a pendent 



perigynium Cal5rpogeia, p. 62 



8. Leaf cells without trigones Chiloscyphus, p. 58 



Leaf cells with distinct trigones Odontoschisma, p. 62 



