261 



St. Agardhianum (Mougeotia Agardhiana Ag. Syst.) Ktz. (Spec. 

 p. 437.) Tn Ostrogothia. 



St. notabile (Mesocarpus notabilis Hassall 1. c. T. XLVI. Sirogo- 

 nium notabile Ktz. Spcc. p. -434.), articulis diametro ('/l^» — '/leo'") 

 5 — 6-plo longioribus, massa chlorophyll. effusa, deinde in catenulam 

 laxe spiralem contracta. — In Anglia. 



Mougeotia decussata Ktz. (Spec. et TabuL), articulis diametro 

 ( 4 240 — 1 / 200 "0 ^ — 5-plo longioribus. — In fossis per totam Europam. 



Mougeotia brevis Ktz. (1. c), atticulis diametro ('/ioo — *[>>o'") 

 1' 2— 2-plo longioribus. — In Germania iterum iterumque observavi, sed 

 semper sterilis. 



Mougeotia Fasciola Menegh. (Ktz. 1. c), articulis diametro (Vts'") 

 aequalibus, vel 2 — 3-plo longioribus. — Per totam Europam. 



Mougeotia affinis Ktz. (1. c), articulis diametro (V"5'")) 3 — 5-plo 

 longioribus. — In Germania et alibi. 



Mougeotia radicans Ktz. (1. c Kabenh. 1. c. Alg. N. 23, 939!), 

 articulis diametro (' <io — l / 76 '") 3 — 6 — 8 - plo longioribus, his illisve 

 protuberantiam radiciformen emittentibus. — Per totam Germaniam. 



