94 BRITISH FERNS. — SUB-ORDER II. TRIBE 9. 
4. biforme, Wollaston. Found in 1862, in Levens Park, by Mr. 
J. M. Barnes. Laciniate ; many forms. 
5. cervi-cornu, Moore. From Messrs. Stansfield. 7 xo|- inches. 
Branching like stags’ horns. Margin densely denticulate. 
6. corrugatum, Lowe (marginato-corrugatum, Moore). Narrow; 
margined ; upper surface deeply corrugated. 
7. cristatum, Lowe (marginato-cristatum, Moore). Raised both 
by Mr Clapham and Mr. Elworthy, and found in i860 at Arnside 
Tower by Mr. J. M. Barnes. Marginate and crested. 
8. fimbriatum, Lowe (marginato-fimbriatum, 
Moore). Found near Cartmel by Mr. Hillman, in 
Silverdale by Mr. Stansfield, and in Levens Park 
(1861) by Mr. J. M. Barnes. Margin fimbriated. 
9Xof inches and ioXo| inches. 
9. fissum, Lowe (marginato-fissum, Moore). 
Found at Barnstaple by the late Mr. Jackson, 
and at Ilfracombe by Mr. J. Dadds. Margin deeply 
cut into narrow obtuse lobes. Mr. H. Bull has 
found this at Mountain, near Chepstow (in 1880). 
In the Chepstow form the marginal belt is close to 
the costa. 
10. irregulare, Lowe (marginato-irregulare, 
Moore). Raised by the late Mr. Clapham. A 
remarkable depauperate form ; branching at the 
apex. Length, 18 inches. 
11. (Fig. 31.) kraspedoumenon, L^owe. Raised 
by the late Mr. Elworthy. 8X0J inches. Con- 
spicuously dentate ; apex furcate. 
12. Lyellii, Lowe (bimarginatum Lyell, Jones). 
Raised by the late Dr. Lyell. i2Xof inches. 
Rough, but very shining. Dentate. 
13. marginato-coronatum, Moore. Margin cut 
into small rounded lobes ; apex coronate, and 
twisted in a curly manner. 
14. marginato-multiceps, Moore. History un- 
known. 14x1 inches. Dentate margin; an erect 
crest. A handsome form of “ marginatum.” 
15. marginato-multifidum, Moore. Raised by 
the late Mr. Elworthy. Length, 12 inches. Slightly 
flexuose ; apex multifid ; fronds narrow at base, 
widening to the apex ; marginate excrescences. 
16. marginatum, Moore. A common form, with 
an excurrent membane within the margin on the 
under side of the frond. 12x1 inches. 
S vulgare, d var m * I 7 - mirum, Lowe. Raised by myself. Forms 
kraspedoumenon a dwarf, undulate, rugose, twisted, capitate bush. 
^HneTanci Teetfi)' 7 x °'} inches. Below the head small stalked 
me an tea 1 . j 0 b es . se g me nts near the head, 4 inches wide. 
18. muricatum, Lowe (marginato-muricatum, Jones). Mar- 
ginate and muricate. 
Fig. 31.— 
