352 
has been regarded as due to some confusion (cfr., e. g. Thu ret in 
Le Jolis’s Liste p. 104); in Engler und Prantl., Die naturlichen 
Fig'. 53. Chantransia virgcitula (Harv.) Thur. a Part of plant with monospores; b and d portions of fila¬ 
ments showing branches mostly opposite; c filaments with tetraspores; e apex of branch with hair; 
/young sporangium with star-like chromatophores and central pyrenoid. a and b 80 : 1; c, d and e 120: 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. 
