425 
emptied it very often happens that a new one grows out inside the 
one that is emptied. The cells of the erect filaments are about 9 y 
broad. I have not found hairs on this plant. 
This species bears some resemblance to the Myrionema glo- 
a, b and c 160 : 1; d, e, f, g 390 : 1. 
bosum I have shown in fig. 76, though the latter differs widely 
from it in many respects, more particularly in the copious ramification 
of its erect filaments; in its narrower, almost cylindrical sporangia 
which are usually sessile and spring several from the same cell; in 
the common occurrence of hairs, etc.; all of which are characters 
serving to keep M. globosum quite distinct from the present species. 
This species occurs epiphytic on Rhodymenia, occurring on its 
