42 Ferns and Fern Culture. 
Flowering Ferns, so called, form a curious but not a 
large section. That which gives rise to the term is the 
peculiar arrangement of the spore cases. In the majority 
of Ferns the spore cases are produced underneath the 
fronds, occasionally at the edge, and in one notable in- 
OsMUNDA CLNNAMOMEA. 
(Example of so-called “ Flowering Ferns.”) 
stance, Polystichum anomalum,“%on [the top as well as 
underneath. In the Flowering Ferns the spikes bearing 
the spore cases stand erect, in some species they spring 
from the sterile portion of the frond, in others the fertile 
fronds are entirely destitute of leafy portion. The 
