50 BOTANICAL GAZETTE [JULY 
some cases filamentous processes grow out (fig. 2); this figure was 
made from fresh material, and the cell walls may not be accurate in 
Fics. 1, 2.Fig. 1, diagram of one of the simpler prothallia with several game- 
tophytic branches; fig. 2, sketch of a filamentous process with antheridia, from living 
material. s 
every case. Occasionally a cylindrical process was seen, as described 
by Lanc-(2), but it might possibly have developed into the ordinary 
form, for some of the branches have slender bases. In several - 
