86 BRITISH FERNS— SUB-ORDER II. TRIBE 9. 
21. excisum, Lowe. Found in 1 888 at Dennil Hill by Major 
Cowburn. This variety only differs from “Cowburni” in being 
deeply incised on the upper part of the frond ; occasionally 
soriferous. 
22. fertile, Lowe (crispum-fertile, Stans field). Found in 1863, 
at Grange, by Mr. E. G. Wrigley. 24 X ii inches ; width at base 
1 inch and in centre 2 inches. Well crisped and crenulated, and 
copiously soriferous. 
23. fimbriato-fertile, Lowe (crispum fimbriato-fertile, Jones). A 
prominently but not densely crisp variety, with large round basal 
lobes and a narrow fimbriated margin. 15X2^ inches. Sparingly 
fertile. 
24. fimbriatum, Lowe (crispum fimbriatum Stansfield, Jones). 
Raised by Messrs. Stansfield, at Sale. A large fimbriate form, 
profusely frilled ; the frills below overlapping from opposite sides 
and hiding the rachis. Fertile. 16X2J inches. 
25. fissum, Lowe (crispo-fissum, Barnes). Found in 1877 at 
Milnthorpe by Mr. T. Airey. A small but beautiful narrow crispy 
form. 
. 26. Fosteri, Lowe (Sagittato-crispum Foster, Jones). Found in 
1876 in Ireland by Mr. Foster, of Manchester. 
27. Foxii, Lowe (crispum fertile, Fox). Found in 1868, in Corn- 
wall, by Mr. Moule. 19^X3 inches. Fronds densely fringed. 
The rounded sagittate lobes are occasionally very large. Fertile. 
A “ crispum-fertile” was found in 1858, and another in 1863. 
28. grande, Lowe (crispum grande Wills, Wollaston). Found 
by the late Mr. Wills. A very large, broad, beautifully frilled form, 
with an unusually long, naked stem. 
29. grandidens, Lowe. Found in North Wales by the late Mr. 
Clift. Split quite to the rachis, and depauperate. 
30. imbricatum, Lowe. A splendidly crisp form, frills quite 
wrapping over each other ; known as the Roundstone variety. 
9x2! inches. 
31. irregulare, Lowe (crispum irregulare, Moore). Irregularly 
laciniate in parts of the frond, and there marginate. 
32. Jacksoni, Lowe (Sagittato-crispum Jackson, Moore). Found 
at Barnstaple by the late Mr. Jackson, and at Ottery St. Mary by 
Mr. G. B. Wollaston. 16x2 inches. Undulate and crenate and 
sagittate, combining Sagittatum and crispum. 
33. Jonesii, Lowe (crispum capitatum, Jones), Raised in 1874 
by the late Colonel Jones. 12 X 2| inches. A short, broad, fronded 
form, the capitate head 6 inches in diameter. 
*34. Kitsonae, Lowe (crispum-multifidum, Jones; crispum maxi- 
mum, Gray). Found in Devon by Miss Fanny Kitson. 2oX2| 
inches. Finely crisped, crested apex. Avery symmetrical variety. 
.35. latissimum, Lowe (crispum-latissimum, Jones). A wide form. 
36. latum, Lowe (crispum-latum, Moore). Found near Barn- 
staple by the late Mr. C. Jackson, and at Nettlecombe by the late 
Mr. Elworthy. 16x4 inches. Broad. Basal lobes separated from 
the rest of the frond. 
