LoRENZ: REPRODUCTION IN NEW ENGLAND FRULLANIAE 283 
appear. (Fic. 3, D). The largest shoots have quite the aspect 
of normal branches. (Fic. 3, £.) 
On some fresh material from Farmington, growing on young 
elm trees in a bog, the cell structure of the leaves differed in being 
thinner-walled, with less conspicuous trigones and almost no inter- 
mediate thickenings. This condition approaches that of F. Bo- 
landert Aust. of the Pacific coast, which besides its characteristic 
upright flagellate shoots has Brutblatter exactly like those first 
described for F. eboracensis. 
FicurE 3. A-C, hoods with shoots in different stages; D, E, leaves with well 
developed shoots, 
In F. riparia Hampe from North Pownal, Vermont, the 
Bruchblatter were not caducous, and the cell masses as a rule 
Were not marginal but arose from cells about two rows back from 
the margin. 
F. Brittoniae Evans, which is very close to the European F. 
dilatata, in some material from Waterville, N. H., bore cell masses 
and shoots upon leaves likewise not caducous. 
The adventive branches in F. plana Sull. are borne, not upon 
the oldest and more or less dirt-encrusted portions of the plant, 
but upon the growth of the past season. These leaves also were 
not caducous, neither did they produce rhizoids. The adventive 
branches closely resemble those of F. eboracensis, except that 
they are of a rather dark green instead of being pigmented with 
red-brown 
According to these observations, the production of Brutblatter 
. 
