50 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. ' [Bull. 



y\ ^ yA^v^^'^^^^ * VW^^^AM> U-.^W' O.^.:^ '-"^-I 



Marsupella Diimort. 



Plants varying from green to reddish; leaves with a broad 

 sinus and bluntly pointed lobes M. emarg^ata 



Plants varying from green to deep purplish black; leaves 

 with a narrow sinus and rounded lobes M. Sullivantii 



::•■ r 



Marsupella emarginata (Ehrh.) Dumort. 1.1*) 



On damp shaded rocks. May and June. Litchfield: 

 Salisbury, Nichols. New Haven: Branford, Evans; Mid- 

 dlebury, Harger; Naugatuck, Evans; Oxford, Harger; Wood- 

 bridge (1879), J- -^- Allen. /2m. 



Labrador west to Alaska and south to Virginia, Minnesota, 

 and California ; Europe ; Asia. ''^-*^ -f**^ "^ / tS " 



Ref. Evans, 28, 172. , , / ., , v -> 



Marsupella LSullivantii (DeNot.) Evans./ Marjdpella 

 sphacelata of some authors, not (Gieseke) Dumorl-v-^':^. media 

 (Gottsche) Schiffn. <- -C^fOi^r^'^tK (^ A~»^>t. jScA>.tW • XJ.S' 



On shaded rocks. May and June. Hartford : Southing- 

 ton, Miss Lorens. New Haven : Hamden and Naugatuck 

 (1890), Evans. 



Nova Scotia south to Georgia ; Washington ; Europe. 



Ref. Evans, 28, 172; 30, 167; 33, 57. (^ ^v^ ^ ^'Ik a. (- 



I^Nardia S. F. GrayJ ;> 5o\«A^'.^T^'?t 



1. Growing on sandy soil; rhizoids colorless; leaves (or at 



least the bracts) bordered by a row of thick-walled 

 cells; leaf cells otherwise thin-walled throughout'or with 



minute trigones N. crenulata 



Growing on damp rocks or banks; rhizoids more or less 

 tinged with purple; leaf cells with distinct trigones.... 2 



2. Leaves bordered by a row of thick-walled cells 



N. crenuliformis 

 Leaves not bordered, their cell structure uniform through- 

 out N. hyalina 



Nardia crenulata (Sm.) Lindb. Jungermannia crenulata 



On sandy soil, especially along roadsides and shaded paths. 

 .•\pril-June. Litchfield: Cornwall and Litchfield, Under- 

 wood. Tolland: Bolton, Nichols. Fairfield: Huntinsi:on 



