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



Diplophylleia taxifolia (Wahl.) Trevis. •S'^3 



On shaded rocks. Litchfield: Salisbury (1890), Evans. 

 New Haven : Branford, Evans. 



Newfoundland to Alaska, south to New England, Idaho, 

 and Washington; Europe; Asia. '^^ • '*"'*-^ ■ 5*0 3. 



Ref. Evans, 28, 171. 



Scapania Dumort. 



1. Ventral lobe obtuse, acute, or apiculate, mostly entire.... 2 

 Ventral lobe rounded 3 



2. Growing on earth or rocks; stems usually less than 2 cm. 

 long S. curta 



Growing in bogs; stems mostly 2-10 cm. long S. irrigua 



3. Growing on rocks or b^nks; leaves mostly toothed or 

 ciliate 4 



Growing on wet rocks, usually in streams; leaves mostly 

 entire, the dorsal lobe arching beyond stem; leaf cells 

 thin-walled S. undulata 



4. Bright green, varying to yellowish or brownish; dorsal 

 lobe arching beyond stem; leaf cells with uniformly 

 thickened walls except near base; leaf margins mostlj^ 

 ciHate S. nemorosa 



More or less tinged with red; dorsal lobe scarcely arching 

 across stem; leaf cells with thin walls but with more 

 or less evident trigones; leaf margins mostly dentate 



S. dentata 



Scapania curta (Mart.) Dumort. fco | 

 On rocks. New Haven: Meriden (1907), Miss Lorena. 

 Greenland to Alaska, south to Maryland and California; 

 Europe; Asia. 



Scapania irrigua (Nees) Dumort. (00I 

 In bogs. Litchfield : Winchester, Evans. New Haven : 

 Bethany (1892), Evans. 



Greenland to Alaska, south to New Jersey and British 

 A^ Columbia ; Europe ; Asia. 



Exsic. Underwood & Cook, Hep. Amer. No. 190 (Beth- 

 any, F. Bement, incorrectly labeled, "Lebanon, Ct"). 

 Ref. Evans, 28, 172. Miiller, 60, 80. 



