352 



has been regarded as due to some confusion (cfr., e. g. Thuret in 

 Le Jolis's Liste p. 104); in Engler und P ran ti., Die naturlichen 



Iitf. 53. Chantransla vlrgatula (Harv.) Thur. a Part of plantjwith monospores: ft and d portions of fila- 

 ments showing branches mostly opposite; c filaments with tetraspores; e apex of branch with hair: 

 f young sporangium with star-like chr om a tophor es and central pyrenoid. a and /> 80:1; c, il and c 129 : 1 : 



f 400 : 1. 



Pflanzenfamilien, Teil I, Abteil 2, p. 331, it is, however, stated that in 

 Ch. secundata both monospores and tetraspores are sometimes, 

 though rarely, to be found on the same plant. 



