132 BRITISH FERNS. — SUB-ORDER II. TRIBE IO. 
59. Nowellianum, Moore. Found in North Wales, in i860, by 
Mr. J. Nowell. A distinct form. 
60. plumosum, Barnes. Found in 1876, at Little Langdale, by 
Mr. T. Airey. A splendid, finely cut, plumose, sterile form. Mr. 
G. Whitwell has also found this on Patterfell. 
61. polydactylum, Barnes (cristatum, Moore). Found in i860, 
by Mr. Clarke, of the Glasgow Botanic Gardens. Mr. J. Steward- 
son has also found at Clougba a polydactylous form. 
62. praemorso-cristatum, Wollaston. Found on Patterfell by 
Mr. G. Whitwell. 
63. ramo-coronans, Barnes ? Branching and crowned. Length, 
1 1 feet. 
64. ramo-cristatum, Barnes. Raised in 1873, by Mr. Barnes. 
Length, 16 inches ; width, i| inches. Branching, both in the stipes 
and rachis. Width across the lax head, 5 inches. 
65. reflexum, Jones. Found at Coniston by Mr. J. Stewardson. 
66. revolvens, Phillips. Found at Newcastle, Co. Down, by 
Mr. W. H. Phillips. 
67. rotundatum, Wollaston. Raised by Mr. Barnes in 1872. 
Length, 22 inches ; width, in middle of the frond ; 7 inches. Very 
short rotund pinnules ; apex caudate. 
68. rugoso-interruptum, Barnes. Found at Coniston by Mr. 
G. Whitwell. 
69. serrulatum, Wollaston. Found at Troutbeck, and another 
found in Garsdale by Mr. G. Whitwell. 
70. simplex, Moore. Found in 1867, in Mardale, by Mr. J. M. 
Barnes. Mr. Barnes remarks, that it closely resembles Polypodium 
vulgare. 
71. Smithiesii, Lowe (grandiceps Smithies, Wollaston). Branch- 
ing and crowned. 
72. strictum, Wollaston. Found at Cautley by Mr. G. Whit- 
well. 
73. subcrispum, Barnes. Found in 1873, i n Wastdale, by Mrs. 
J. K. Hodgson. Crispy and undulate. 
74. subsimplex, Moore (confluens, Wollaston). Found in 1869, 
in Westmoreland, by Mr. J. M. Barnes. Length, 20 inches ; width 
at the base, i£ inches, and in centre of frond, 6i inches. Very 
confluent. 
7 5. truncation, Wollaston. Found near Tunbridge Wells by 
Mr. G. B. Wollaston. Fronds and pinna; horned ; apex like bitten 
off. 
76. variegatum, Barnes. Found in 1873, * n Swarthfell, by Mrs. 
J. K. Hodgson. Fronds variegated with green and yellow. 
77. Whitwellii, Lowe (congestion Whitwell, Barnes). Found in 
Little Langdale by Mr. G. Whitwell. Another form of congestion 
The names only of half these varieties are known to the author. 
