THE COMMON HARD FERN. 227 
Morris. Yorkshire: Malton, C. Monkman. Monmouthshire : 
Crumlin, 7. H. Thomas. Denbighshire: Ruthin, T. Pritchard. 
Inverness-shire: side of Loch Moidart, Rev. Z. F. Ravenshaw. 
Clare: Quin Abbey, J. R. Kinahan. [Plate XCVII A.] 
29. crispum (Woll.). This is an uncommon but permanent and 
elegant form. The sterile fronds are eight to ten inches long, 
nearly normal in outline, but their apices are multifid-crisped, form- 
ing a small terminal slightly eurly tassel with rounded or blunt- 
ended divisions; the lateral segments are crowded, more or less 
wavy or eurled on the margin and obtuse, but very rarely divided 
at the point. The fertile fronds are of the same character, the apex 
forming a small obtuse crispy dilatation, and the ends of the narrow 
lateral segments being obtuse. This form was found in 1851, in 
Broadwater Forest, Tunbridge Wells, Kent, by Mr. Wollaston. 
30. crispum auritum (M.) This subform has the segments of 
the sterile fronds wavy or curled as in crispum, but the fronds 
want the small blunt terminal crest. The fertile fronds are 
dilated or multifid at the tips, and their segments are aurite at 
the base, serrate on the margin, and acute or in some fronds freely 
forked at their apex; the aurite character is very marked at the ante- 
rior base of thesegments. This was found in Ireland by Dr. Kinahan. 
31. erispatum (M.). A small form allied to crispum (29), having 
the segments crispy, but apparently simple at the apex. It has been 
found near Barnstaple by Mr. C. Jackson; and near Todmorden by 
Mr. A. Stansfield. ; 
32. cristatum (Woll.). This constant and beautiful form is some- 
what variable in its development. It is of moderately vigorous 
habit, the fertile fronds growing about a foot in height and the 
sterile from. six to eight inches. The fronds are nearly normal at 
the base, and of a general lanceolate outline, but the apex is very 
variable: sometimes it is slightly divided and dilated, its lobes and 
those towards the top of the frond being broader than the rest and 
with a tendency to dilatation at their tips. The fertile fronds cor- 
responding to these have many of the segments forked. At other 
times the segments are not forked, but the apex of the frond becomes 
branched into a larger multifid head, of which the parts are broader 
than in the rest of the frond. It sometimes takes a more irregular 
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