68 BRITISH FERNS. — SUB-ORDER II. TRIBE 8. 
9. polydactylum, Lowe (laciniatum polydactylum, Stansjield). 
Raised about 1885, by Messrs. F. W. and H. Stansfield. 
10. ramulosum, Lowe (laciniatum raniulosum, Stansfield). Raised 
in 1872, at Todtnorden, between Craigii and Horsfallii. Some 
fronds plumose, others multifid. 
*11. Rickettsae, Lowe. Found by Mrs. Ricketts. A narrow 
laciniate form. Length 12 inches. 
12. tortile, Moore ( inaequale, Wollaston). Found in 1858, in 
Yorkshire, by Mr. J. Horsfall. A symmetrical but laciniate form. 
An interesting variety. 24x7 inches. 
13. tortiloides, Lowe. Raised by myself in 1887. 22X3I inches 
(in middle of the frond). A combination of fissidens and tortile. 
Section 8. LUNULATUM (or Frizell^e). 
(Pinnae abbreviated to lobes.) 
1. capitatum, Lowe (Frizelliae cristatum, 
Jones; lunulato-cristatum, Wollaston). Raised 
in 1875, by the late Colonel Jones. 24x02 
inches. Pinnae smaller than in Frizelliae, ter- 
minating in a compact capitate head 5 inches 
wide. From the branching of this crested 
head there is a complete change in the cha- 
racter of the segments. I have raised an 
identical form. 
2. Carbonellii, Lowe (Frizelliae capitatum, 
Carbonell). Raised by the late Mr. Carbonell. 
14X0J inches. A narrow capitate form. 
3. Clovellianum, Lowe. Found in 1884, at 
Clovelly. 16x03 inches. Somewhat of the 
character of Frizelliae, though quite distinct 
and has a cuneate-crested apex. 
*4. coronare, Lowe (Frizellim-coronare, 
Birkenhead). Nicely crowned. 
5. cruciatum, Lowe. Raised from spores 
by myself. Narrow, cruciate, and capitate. 
25x0^ inches ; capitate head 5^ inches across. 
Head dense and foliose. 
6. dentato-capitatum, Lowe. Not unlike dentatum but broader 
fronds, longer teeth, and a capitate dentate head. 16 Xi inches 
at base, and i 6 xo£ inches in upper half. 
7. dentatum, Lowe. Raised from spores (of uncum, cruciatum, 
and Frizellie). Combining the characters of all ; below uncum, then 
cruciatum, ending in Frizelliae ; everywhere deeply dentate. 16 X 
inches at base, and 16 X 10J inches near apex. 
*8. flabellifolium, Mapplebeck. 
*g. flabellifolium-cristatum, Mapplebeck. 
10. Frizellae, Moore (lunulatum, Wollaston). Found in 1857, in 
Co. Wicklow, by Mrs. Charles Frizcll, of Castle Kevin, and 
Fic,. 26. — Athyrium 
Filix-foemina, var. 
Frizelliae. 
