216 STRUCTURE AND SYSTEMATIC POSITION OF CHANTRANSIA. 
to be reckoned with Balbiania; but this genus was created, its 
author tells us, for the reception of this form, since all other 
“Chantransia-forms " were mere sporophytic states of Batracho- 
spermum. It must, therefore, pow disappear. Moreover, the 
obvious close connexion existing with Ch. corymbifera warrants 
us in disregarding Balbiania as a genus, and reckoning Ch. inves- 
tiens and Ch. Bowert, with Ch. corymbifera and other marine forms, 
as all of them species of a good and valid genus Chantransia. 
EXPLANATION OF THE PLATES. 
Puare XXXVI. 
Chantransia Boweri. 
Fig. 1. Filament bearing monosporanges, X 500. 
2. Ditto, showing branches with piliferous endings, x 900. 
3. Portion of filament, x 900. 
4 & 5. Ditto, showing innovation, x 900. 
Prate XXXVII. 
. Trichogynes of Ch. Boweri, x 900. 
. Development of cystocarp of ditto, x 900. 
. Mature cystocarp of ditto, x 900. 
. Antherid of ditto, X 900. 
. Germinating monospores of Ch. secundata, x 900. 
. Antherid of Ch. corymbifera, X 250. After Bornet, 
. Trichogyne of ditto, x 400. After Bornet. 
. Cystocarp of ditto, x 250. After Bornet. 
. Development of cystocarp of Ch, investiens, x 720. After 
Sirodot. 
Fig. 
eo 00 -1 2» Cre Cb i 
