352 
(Fig. 36). The foot, however, is smaller than B. lunaria and 
considerably smaller than in B. virginianum (Campbell, 9). 
He 22: 
DETTE C 
] PR ED 
Fig. 24, 
The first root resembles strikingly that of B. lunaria (1). 
Unfortunately, the sections were not quite median, therefore 
the apical cell could not be made out. In another median 
