
— ss 
THE POLYPODIES 179 

Fig. 202. P. о. camb., Hadwinii. 
С. BARROWII, c. Hapwinu (Fig. 202), с. OAKLEYÆ, с. PRESTONII 
(Appendix No. XLIV).—These are all quite distinct forms of Cam- 
bricum, and very beautiful; Barrowi is a robust grower with 
longer and more acutely pointed divisions than Cambricum, and 
Prestonii is much denser іп make; Hadwinii is a narrow form 
with blunter divisions, and Oakleye a smaller grower than the 
others ; all are perfectly barren. 
CORNUBIENSE.—Found in Cornwall by Mr. White and others, 
as a result of which it has been also named elegantissimum and 
Whiteii, the first indicating locality, the next character, and the 
last one of the finder's names. Itis one of our most curious 
varieties, producing indiscriminately three kinds of fronds, viz. 
perfectly normal ones, very finely cut ones consisting of tripinnate 
ог even quadripinnate, very narrow segments, and a coarser type 

