54 BRITISH FERNS. — SUB-ORDER II. TRIBE 8. 
*27 strombomenon, Lowe. Raised in 1867 by myself. Normal 
•with arrested head 5^ inches broad. 18x4 inches. 
28. triumphale, Lowe. Raised by myself in 1866. Pinnae and 
pinnules branching and crested, forming a circular head 7 inches 
across. 24x4 inches. 
*29. umbraculaeforme, Lowe. Raised by myself in 1866. De- 
pauperate, and terminating in an umbrella-shaped head. Length, 
12 inches. 
Section y. CRISTATUM. 
(Bunch crested.) 
# i. amenum, Lowe. Very lax, normal at base, pinnules varying 
strongly dentate, pinnae variously crested. 22x7 inches. 
2. angustatum, Lowe (angustato-cristatum, Stansfield). Raised 
by Messrs. Stansfield. A very narrow cruciate, scarcely crested 
form. 24 X 1 inches. 
3. anomalum, Lowe (Gillsoniae anomalum, Mapplebeck). Raised 
in 1869 by Mr. Mapplebeck. 21x3^ inches in middle of frond. 
Pinnules crowded and margins dentate, tips of pinnae crested, apex 
of frond caudate. An extraordinary variety. 
4. apuaeforme, Barnes. Found in 1870, at Dent, by Mr. Barnes. 
Is fish-shaped and crested. 
5. caudatum, Lowe (Gillsoniae anomalum, Mapplebeck; caudato- 
cristatum, Jones). Raised in 1869. 21x3 inches. Lax, narrow, 
pinnules dense, apex of frond caudate. 
6. corymbiferum, Moore. Found in Guernsey, by the late Mr. 
James, varying from 18x6 to 34 x 10 inches. A fine form, crested 
and corymbose. 
7. cristatum, IVollaslon. Found near Malton, by Mr. Monk- 
man. Apex crested, but not the pinnae. 
8. curvato-digitatum, Barnes. Found in 1875, on Lancaster 
Moor, by Mr. Stewardson. Pinnae curved down and digitate. 
9. dactyliferum, Jones. Found in 1874, at Martindale, by Mr. J. 
K. Hodgson. Said by the late Colonel James to be distinct. 
10. defecto-furcillans, Mapplebeck. Raised in 1869 by Mr. J. E. 
Mapplebeck. 27x9 inches, pinnae longer and much wider (though 
with less branches) than Howardiae. 
*1 r. densissimum, Mapplebeck. 
12. digital <t, Jones. A lax narrow form, pinnae with slender, digi- 
tate, conspicuous crests. Apex of frond not crested, but ending in 
a very fine point. 28x6 inches. 
*13. digitatum, Lowe. A very bold crested variety. Raised 
by myself in 1862. 22X5 inches. 
14. echinatum, Lowe. Short pinnae, densely capitate ; the capi- 
tate heads 1 inch across, margins conspicuously dentate. Raised 
by myself. 16x3 inches, 
*15. Elworthii, Moore. Found near Nettlecombe by the late Mr. 
C. Elworthy. Densely tasselled, very symmetrical form, pinnules 
crested. 30x7 inches. 
16. ericudes, Lowe (Craigii-uncum, Jones). Raised from spores 
