154 BRITISH FERNS.— SUB-ORDER II. TRIBE II. 
4. contractum, Lowe (cristatum-contractum, Jones). Raised by 
myself in 1875. Costa splits and forms a compact, crested cornute 
head. 14X4^ inches. 
5. cristatum, Moore. Found in 1854 in County Cork, by Mr. 
H. S. Perry'. A fine foliose, well-crested capitate form. 
6. diadema, Lowe. Found by myself in 1886, at Penhow, Mon- 
mouthshire. Segments bifid. Small crest. 9 X2-| inches. 
7. Fosteri, Lowe (cristatum Clewarth, Wollaston). Found in 
1 S 76 in County Clare. Greatly crested and capitate. Segments 
much narrower than those in cristatum. A splendid form. 16x5 
inches. 
8. glomeratum, Mcly. Found in 1873, by Mr. Job Mullins, in 
Dorset. Half stem, the leafy part broader than long, tips crested. 
8x6 inches. 
9. grandiceps, Barnes. Found in 1868, near Grange, by Mrs. 
Fox. Heavily crested. A grand variety. 16x4 inches. 
10. Hodgsonae, Lowe. Found by Mrs. Hodgson. Crested and 
capitate, contracting to the crests. i2X2f inches. 
11. lomarioides, Lowe. Found in Ireland by Mr. Stewartson. 
Very narrow. 8 x of inches. 
12. Martindalei, Lowe (multifidum, Moore). Found in 1865, 
near Staveley', by Mr. J. A. Martindale. A nice crested form. 
13. multifidum, Moore. Found at Whitbarrowby Mr. F. Clowes. 
Crested. 
14. Parkeri, Lowe (multifido-cristatum, Moore ; grandiceps 
Parker, Wollaston). Found in 1854, in Somerset, by Mr. H. Parker. 
A fine grandiceps with a large capitate head. 12x3 inches. [I 
raised a form of this in 1880 which Colonel Jones called capitatum 
Lowei. The tips cristulate and crisp. 8x4 inches ] 
15. ramosum, Moore. Found in i860, in Hampshire, by Mr. 
C. Hillman. Branching at the base and also above. 12X3 inches 
(1 1 inches across the branches). [I raised a somewhat similar form 
some years ago, known as gleichenioides.] 
Section y. SEMILACERUM. 
1. Aldreni, Lowe (omnilacerum Aldreni, Barnes; O. truncation, 
Wollaston). Found in 1873, near Milnthorp, by Mr. J. A. Aldren. 
Long acute lobes, and somewhat truncate apex. 21X5^ inches. 
2. brachiato-semilacerum, Jones. Found in 1862, in Worcester- 
shire, by Mr. J. E. Mapplebeck. Branching where the basal 
segments should be. 17 x 5^- inches ; and 1 1 inches across the arms. 
3. brachiatum, Wollaston. Found in 1856, in Guernsey, by Mr. 
C. Jackson. 17x5 inches ; and 8i inches across the arms. 
4. densilobum, Lowe (semilacerum densilobum, Moore). A 
dense-lobed form. 
5. grande, Lowe (semilacerum grande, Jones). Found in 1S62 
in Wicklow. Near the rachis the pinnae are continent and depau- 
perate. This magnificent plant is in the possession of Mr. Bar- 
nard Hankey. 16 x 13 inches. 
