35 



f. Amblystegium serpens Schpr. 



Dense demisso - caespitosum; caespites laete vel lute- 

 scenti-virides, ad circuitum adpressi. Caulis prorepens tota 

 longitudine radicans, dense ramulosus, ramulis attenuatis 

 brevioribus longioribusve flexuoso-erectis, confertis. Folia 

 caulina remota patula rameis majora ovato - laneeolata, 

 costa tenui sub apice evanida, ramea et ramulina confer- 

 tiora plerumque subsecunda angustiora îongius acuminata 

 magis chlorophyllosa. Perichaetiiim in ramulo brevi palli- 

 dum, foliis erectis elongatis apiculatis tenuibus late tenui- 

 costatis sulcatis. Capsula incurvo-cernua elongata et cylin- 

 dracea subarcuata, sicca valde arcuata sub ore ampliato 

 constricta, e luteo fuscescens saepius bicolor, demum fer- 

 ruginea. Operculum convexo-conicum. Annuîus e triplict 

 série cellularum minutarum compositus. Peristomii dentés 

 dilute ferruginei siccitate e patulo incurvi, processus in- 

 tegri, cilia perfecta. Sporae viriclulae. 



Amblystegium serpens Br. et Sch. Bryol. eur. VI, p* 9> T. 564-. — 



Schimp. Synops. Musc. eur. p. 591. 

 Hypnum serpens L. Sp. PI. pag. 1596. — G. Miïll. Synops. II, 



p. 4-4 1. — Steph. Enumer. stirp. p. 53. — Mart. Pr. FI. 



mosq. p. 197. — Weinm. Syllab. II, p. 492. 



Habit, in lignis putrescentibus, ad truncos (praesertim 

 Oxyacanthae), ad saxa, in terra nuda sylvarum, ollis hor- 

 torum; Gorenki (Goldb.); Davjidkovo (Czermack); Ste- 

 pankovo — in sylvis ad arborum radiées et truncos Populi 

 tremulae copiose. Specc. mosqq. in herb. Boschm 



Fruct. matur. aestate. 



Subgen. 2. Leplodictyum Schpr, 



Foliorum rete angustius, tenue, areolis rhomboideo- 

 hexagonis, prosenchymaticis, solis basilaribus rectangulo- 

 hexagonis parenchymaticis, omnibus parce chlorophyllosis. 



3* 



