-416 
94. FILICES. 
carts, Hook. Sp. Fil. i. 125. — Very damp shady places. Rare. 
Formerly at Bellbank, Yorkshire, from whence 1 have an old 
si)eeiinen exactly like Bolton’s figure t. 30. South and south- 
west of Ireland. P. IX. X. E. I. 
15. IIymenophylltjm Sm. 
1. H. tunhridgense (Sm.); fronds pinnate, pinnae distichous, 
segments linear undivided or bifid sj)inosely-serrate, involucre 
compressed spinosely serrate, rachis broadly winged. — E. B. 162. 
N. 321 . — Slender and delicate. Rhizoma very long, threadshaped. 
Pinn;c, rachis and involucres in the same jdane. Valves of the 
involucre adpressed throughout the greater j>art of their length, 
slightly gibbous at the base. — Amongst moss in damp and shady 
places. P. VII. 
2. H. Wilsoni (Hook.); fronds pinnate, pinnae recun'ed, seg- 
ments linear undivided or bifid spinosely-serrate, involucre in- 
flated entire, rachis slightly bordered. — E. B. S.26S6. — Resem- 
bling the preceding, but the pinnae cuiwe backwards and the 
involucres fonvai'ds. Valves of the involucre convex or gibbous 
throughout, touching only by their edges which are quite entire. 
— Amongst moss in damp and shady jdaces. P. VII. 
Suborder TIL Osmundacece. Tribe VI. Osmundea. 
16. OSMUNDA 
1. 0. regalis (L.); fronds bipinnate, pinnules oblong nearly 
entire dilated and slightly auricled at the base, clusters panicled 
terminal. — E. B. 209. N. 331. — Fronds erect or drooping, 1 — 8 
feet high. Panicle of fruit bipinnate. — Boggy places. P. VII. — 
IX. Flowering-fern. 
Subord. IV. Ophioglossacece. Tr. VII. Ophioglossece. 
17. Botrychium Sw. 
1. B. Irunaria (Sw.); frond pinnate solitary, pinnae lunate or 
fanshaped notched or crenate. — E. B. 318. N. 137. — Height 
3 — 6 in. Pinnae sometimes deeply notched, occasionally bearing 
a few thecae. Fronds usually solitary, but sometimes there are 
two on the same stalk. — Pastures. P. VI. VII. Moon-wort. 
18. Ophioglossum Linn. Adder’ s-tongue. 
1. 0. rutyaium (L,); frond ovate obtuse. — E.B. \08. AT. 349. 
— Height 4 — 12 in., erect. Spike clubshaped, usually rather 
longer than the frond, sometimes very long. — Pastures. V. VI. 
