1917] 



D UNN—D UMON TIA 



429 



apparently no regular or constant system of branching, and the 

 number of branches present is not related to the height of the 

 plant (figs. 1-7). The plants shown in figs. 1 and 2 have almost 



\ 



r 



2 



1 



Figs. 1-3. — Mature female plants showing cystocarps imbedded in thallus 



the same number of branches, and their respective heights are 



cm 



cystocarpic 



which were 12 cm. in height and 



