HANDBOOK OF BRITISH HEPATIC^E. 153 



terete, smooth, laterally 2-3 lobed ; calyptra 

 equal or shorter, torn at the apex ; capsule 

 four - valved, coriaceous, naked ; elaters 

 double, naked, deciduous. Dumort. Syll Jung. 

 67 (^1831) ; Hep. Eur. 100, /. 3,/. 24. 



Plants with subcurrent, flattened, undivided 

 leaves. 



Chiloseyphus polyanthus, Linn. 



Stem creeping, branched ; leaves rounded- 

 quadrate, entire and emarginate, imbricate ; 

 stipules linear, forked ; perianth short, hence 

 split ; laciniae entire ; calyptra exserted. 



Jungermannia polyanthus, Linn. Sp. 1597 > 

 Hook. Br. Jung., No. 62. Marsupella polyan- 

 thos, Dumort. Comm. p. 114. Chiloseyphus 

 polyanthos, Dumort. Syll. Jung. p. 67, t. I, 

 f. 9; Cooke Hep. f. 106, 107. 



Moist and very wet places. (Fr. Apr. May.) 

 The two forms of this species are : 



var. (3 rivularis, Nees. The most common 

 form and the most typical. 



var. y pallescens, Linden. Of which Dr. 

 Carrington writes that he sees no valid dis- 

 tinction between this and C. polyanthus. 



Jungermannia pallescens, Nees Hep. Jav. 

 p. 25. Chiloseyphus pallescens, Nees Hep. 



