MARSUPELLA. 375 



Bract X 24 (Todmordeii, Holt). 18 Ditto x 31 (Strensall, G. 

 Stabler). 19. Sub-bracteole x 31 (ditto). 20. Portion of iiiner- 

 luost bract and connate bracteole x 16 (Thed., 136). 21. Brac- 

 teole X 31 (ditto). 22. Pistillidia x 85 (Baildon, West). 23. 

 Antheridium (ditto). 24, 25. Spores and elater x 2'JO (Tod- 

 morden, Holt). 



Genus 33. Marsupella, Di/iu. 



Jungermcmia, Ehrh. Beitr. ;5 p. 80 (1788). 



Nardius, Gr. ct B. Nat. Arr. Brit. PI. 2 p. (;;)4 (1821). 



Jliii'supella, Dum. Comm. Bot. p. 114 (1822). Spruce " Rev. Bryol." p. 92 (1881). 



Sarcosci/phas, Cord, in Opiz Beitr. 1 p. (i52 (1829). 



Nardla, Carr. in Trans. Bot. Soc. Edin. x. p. 309 (1870) ; Brit. Hep. p. 10 (1874). 



Nardia, sect. c. Marsupella, Lindb. Hep. in Hib. p. 531 (1874). 



Stem (witli leaves) frontally compressed, usually with rhizomes 

 and flagella proceeding from the base subleafless. Leaves trans- 

 verse, imbricating or spreading, canaliculate-concave, sub- 

 complicate or carinate, always bilobed. Cauline stipules always 

 wanting. Fructification terminal. Bracts few or several pairs, 

 innermost (1-2 pairs) connate ; also at the base with the peri- 

 anth, bracteole normally wanting. Perianth frontally compressed, 

 mouth 5-7 lobed. Calyptra included. Capsule 4-valved. Elaters 

 bispiral. Androecia subspicate ; antheridia in the saccate base of 

 the perigonial bracts. 



1. Marsupella emarginata [Ehrlt.), Dion. 



Junrjermania emao'yinata, Ehrh. Beitr., 3, p. 80 (1787-92). 

 Jungermania macrorhiza, Dicks. Crypt. Brit. f. 2, p. 16, t. 5, f. 10 (1785). 

 Marsuj)ella emarginata, Dum. Comm. Bot. p. 114 (1822). 

 SarcoscT/phus Ehrharti, Corda in Opiz Nat. p. (532 (1828). 



Dioicous, densely caespitose, flagelliferous, small to large, 

 varying very much in colour, from pale or dark green to brown, 

 reddish-brown, bright red or purple to almost black. Stems 

 slightly or intricately branched, suberect or erect, firm, cortical 



