130 BRITISH FERNS— SUB-ORDER II. TRIBE IO. 
1 7. corymbiferum, Whitwell. Found at Grasmere by Mr. J. 
Garnett. 
18. crispatissimum, Wollaston. Found in 1871, in Langdale, 
by Mr. J. A. Wilson, and since in Troutbeck by Mr. J. Gott. 
Pinnules undulated. 
19. crispatum, Jones. Found at Clougha by Mr. J. Stewartson. 
20. crispo-angustatum, Barnes. Found in Patterdale by Mr. W. 
Foster. 
21. crispo-congestum, Barnes. Found at Coniston by Mr. J. M. 
Barnes, junr. 
22. crispum, Moote. Found in 1865, in Furness Fell, by Mr. 
J. M. Barnes. Previously it had been found on the Clova Moun- 
tains by Dr. Balfour. A striking variety, with undulate pinnules. 
23. cristato-angustatum, Moore. Raised by Mr. J. M. Barnes. 
A narrow, wonderfully crested variety. 
24. cristato-gracile, Druery. Found in 1888, at Sticklepath, 
North Devon, by Mr. Druery. A slender crested form with 
narrow pinnae. 
25. cristatum, Wollaston. Found in 1871, in Westmoreland, by 
Mr. J. M. Barnes. A grand crested variety. Length, 24 inches ; 
width, 6 inches ; a small capitate head. A form of cnstatum was 
found in Monmouthshire by Mr. T. H. Thomas. 
26. Croucbii, Lowe. Found near Tain, N.B., in 1877. An in- 
terrupted form. 
27. curtum, Barnes. Found in Wyresdale by Mr. J. Hartley. 
28. curvatum, Moore. Found in 1863, at Farleton Knot, West- 
moreland, by the late Mr. Jacob Jones. Length, 30 inches ; width 
(in middle of frond), 4% inches. Pinnae curving downwards ; and 
upper half of frond gradually narrowing, to a point. A fine variety. 
29. curvatum- Barnesii, Moore. Found in 1866, in Garsdale, by 
Mr. J. M. Barnes. A fine robust form with curving-dovvn pinnules. 
30. curvatum- Whitwellii, Barnes, hound at Coniston by Mr. 
G. Whitwell. 
31. decurrens, Moore. Found in 1866, in Garsdale, by Mr. J. 
M. Barnes. Another robust form ; with curving-down pinna;. 
32. deficiens, Wollaston. Found in Longsteddale by Mr. G. 
Whitwell. 
33. depauperatum, Druery. Found in 1888, at Sticklepath, 
North Devon. Dwarf ; very depauperate. 
34. digitatum, Jones. Found in 1875, > n Langdale, by Mrs. J. 
K. Hodgson. Length, 21 inches; width, 5* inches. Digitate 
except the apex, which is pointed. Mr. J. Hartley has also lound 
a digitate variety at Coniston. 
35. erosum, Moore. Found near Bowness by Mr. F. Clowes. 
The pinnules are deformed. 
36. flavo-variegatum, Barnes. Found in several places. Fronds 
green and yellow. 
37. flexuosum, Wollaston. Found in 1870, in Westmoreland, by 
Mr. W. Crouch. Length, 24 inches ; width (in middle of Irond) 4! 
