156 BRITISH FERNS. — SUB-ORDER II. TRIBES II AND 12 . 
10. depauperatum, Wollaston. Found in South Devon by Miss 
Kitson. A depauperate form, found on their garden wall at Ship- 
hay. Cornute. 9x4 inches. 
11. foliosum, Wollaston. Found in 1S62, in Silverdale, by Mr. 
J. M. Barnes. Broad and leafy. 
12. Huckii, Lowe (suprasoriferum Huckii, Barnes). A form 
having sori on the upper surface. 
13. irregulare, Moore. Found in 1864, an Cartmel Fell, by Mr. 
J. M. Barnes. Frond and lobes irregular. 
14. lineare, Lowe (marked “Irish Polypody” in Colonel Jones’s 
collection). Very distinct, long linear lobes. 10 xof inches. 
15. Llanvairense, Lowe. Found at Llanvair, near Shirenevvton, 
by myself, in 1887. Segments narrow ; apex of frond branching, 
and ending in 3, or 4, cornute tips. 10X2J inches. 
16. macrostachya, O'Kelly. Found at Carron, Co. Clare, by 
Mr. P. B. O’Kelly. Normal, with a long caudate termination of 
the frond. 12x32 inches. 
17. marginatum, Moore. Found in 1854, at Windermere, by 
Mr. F. Clowes. An interesting form, although it appears as if 
bitten. Mr. W. H. Phillips has also found a good form. 16x3 inches. 
18. minimum, Hodgson. Found in 1866 at Millom by Mrs. J. 
K. Hodgson. Fronds small and of many shapes. 
19. Oakeleyse. Lowe. Found by Mrs. Bagnall Oakeley at 
Penalt. Crenate ; dark green. 16x4 inches. 
20. obtuso-serratum, Moore. Found in 1863, at Whitbarrovv, by 
Mr. J. M Barnes. Cornute and serrate. 
21. rotundatum, Phillips. Found in Ireland by Mr. W. H. 
Phillips, and also by Mr. O’KelJy. Reduced to rounded lobes in 
basal portion. 
22. serra, Wollaston. Found in 1865, in Lancashire, by Mr. J. 
Wilson. Very distinct ; biserrate, and the lobes overlapping. 13x2^ 
inches. 
23. serratum, Moore. Found in several places. Cut like a saw. 
24. sinuato-auritum, Moore. Found, in 1865 in Levens Park, by 
Mr. J. M. Barnes. Pinnae irregular. 
25. suprasoriferum, Wollaston. Found in 1865, on Cartmel Fell, 
by Mr. J. M. Barnes. Sori on the upper surface. 
26. truncatum, Wollaston. Found in 1870, in S. Devon, by Miss 
Kitson. Truncate. 13x5 inches. [Mr. P. B. O’Kelly has found 
a curious form in Co. Clare. 6x2^ inches.] 
27. varicgatum, Barnes. Found in 1866, at Witherslack, by Mr. 
J. M. Barnes. A dwarf green-and-white variety. 
28. Whitakeri, Lowe (dentatum Whitakeri, Moore). Found in 
1S64, near Kendal, by Mr. Whitaker. Evenly dentate. 
