88 The Botanical Gazette. ; [February. 
gard to the reduction of the sexual generation, but the sporophyte 
is much less like that of the ordinary homosporous forms than that 
of the Marsiliacez. | 
The two genera of Salviniacez differ much more from each other — 
than do those of the Marsiliaceze, and it is not at all likely that one 
form has been derived from the other but that the two genera diverge 
at an early stage in the development of the line.” 
RECENT EXPERIMENT STATION bulletins include excellent data on 
alf of the statements being true, and the experimental part being 
entirely unreliable. Electro-culture is again taken up by C. D. Wat 
ner (Hatch, Mass., no. 23), and although the experiments are appa 
