SUB-SECTION POLYSTICIIUM. 
105 
Varieties. 
Division A. 
CHANGES IN SKELETON. 
Group I. Ramosum. (Branching of some part of skeleton.) 
Section n. RAMOSUM. (Stipes branched.) 
*1. acroclaclon, Moore (ramo-cristatum, Jones ). Found in South 
Devon, in 1862, by Mr. J. E. Mapplebeck. Length of frond, 1 foot 
2 inches; width across the branches, 1 foot 4 inches. Most pro- 
fusely branched. 
2. Allchini, Lowe (ramo-furcillatum, Allchin). Found in 1871, 
in South Devon, by Dr. Allchin. A well-branched variety, bearing 
bulbils ; and almost sterile. Length, 1 foot 2 inches. Apex crested. 
3. capitatum, Lowe. Raised from spores at Highfield House. 
Frond widest in the middle, and narrowing to the base of a capitate 
head of 7 or 8 inches across. Pinnae polydactylous. Length, 2 
feet ; width, 7 inches. 
4. cladodesteron, Lowe (viviparum,/h«6S'). Branching from the 
base ; and very much branched to the apex; ending in an erect 
capitate head. Dwarf ; only 5 inches in length. 
5. corymbiferum, Lo%ve (ramo-corymbiferum, Padley). Found in 
1863. Dwarf form ; branching from the stipes. Length, 12 inches. 
6. furcillatum, Lowe (ramo-furcillatum, Wollaston j ramosum, 
Jones). A remarkable ramose form, branching from below the 
rachis, and rebranching several times. Found in 1867, in South 
Devon, by Mr. G. B. Wollaston. Length, 1 foot 9 inches ; width 
across the branches, 12 inches. 
7. Iveryi, Lowe (nnlltifido-cristatum I very, Jones). Better than 
multifido-cristatum, Moore. 30x10 inches. Pinnae crested, pin- 
nules large. Stipes branching into a large head. 
8. Kitsonae, Moore (multicristatum, Wollaston). Found at 
Torquay by Miss Kitson, in 1856. A fine branched form, the 
pinnules being altered in form on the upper portion of the frond. 
9. multifido-cristatum, Moore. Found in Devon in 1863 by the 
late Rev. C. Padley. Length, 6 inches. Branching in the middle 
of the frond. 
10. multifidum, Wollaston (Claphami, Moore). Found in 1874 
by Mr. J. Wills. Length, 16 inches. Branching in the middle of 
the frond. 
11. projectum, Wollaston. Found in 1862, in Devon, by the 
late Rev. C. Padley of Enville. 18x3 inches. Curious projecting 
and ascending branches on the lower half of the frond. 
12. ramo-gracile, Wollaston. Found by Mr. Wollaston. 
13. ramo-multifidum, Wills. Found in 1874 by the late Mr. J. 
Wills. 15x3 inches, and 9 inches across the branching head. 
