Fig. 150. 
Aspidium Oapense. 
Willdenow, species plantarum v. 267 (1810). 
. J’. a soale rhizome; 2, sterile segment of a frond; 3, portion of a 
segment of a frond; 4, vertical section of a sorus; 5, spore-case; 6, 
spores; all enlarged, but to various degrees. 
