fil. and Thomson . It does not appear to inhabit the New World. 
On the African continent it is found in the extreme north, 
Algeria, Hochstetter; and the extreme south, at Bavian’s River, 
Cape of Good Hope, Krebs. 
1 have stated my reasons in my ‘ Species Eilicum 5 for restoring 
the old Linnsean name to this Eern. Too many naturalists have 
seen and figured the involucre to question its existence, however 
small and indistinct; and then we have only the venation to 
separate it from true Aspleniu?n. 
Plate 36. Fertile plant of Asplenium ( Hemidictyum ) Ceterach, L .,—natural 
size. Fig. 1. Underside of fertile lobe, with its covering of scales. 2. The 
same, with the scales removed. 3. Sorus with most of the capsules removed, 
showing the involucre and the anastomosing venation. 4. Scale from the back 
of the frond :—all more or less magnified. 
