346 LYCOPODIACE^E. [ Ophioglostum. 



pinnate ; pinnules oblong, nearly entire, the lower base some- 

 what auricled, the inferior ones opposite ; fertile panicle bipin- 

 nate, occupying the extremity of the frond. Br. Fl. ed. 3. 

 p. 456. E. Fl. v. iv. p. 327. E. Bot. L 209. Hook, in Fl. 

 Lond. N. S. t. 150. 



Boggy places, sides of woods, watery meadows near the sides of 

 lakes in many places. Very abundant near Killarney ; near the lake 

 at the Seven Churches ; upper end of Kelly's Glen in meadows. It 

 is also found in various places in the County of Down, and at Newtown- 

 barry, County of Waterford. The noblest and most striking of our 

 native ferns. 



14. BOTRYCHIUM. Sw. Moon-wort. 



Capsules subglobose, sessile, clustered at the margin and on 

 one side of a pinnated rachis, 1 -celled, 2-valved, compressed, 

 opening transversely. Involucre none. Name; fio-rpvs, a 

 bunch of gropes ; from the appearance of the branched clus- 

 ters of capsules. 



1. B. Lunaria, Sw. Common Moon-wort. Frond pinnated, 

 solitary ; pinnae lunate or subflabelliform, crenate. Br. Fl. ed. 3. 

 p. 456. Hook, in Fl. Lond. N. S. t. 150. E. Fl. v. iv. p. 328. 

 Osmunda Lun., Linn. E. Bot. #.318. 



Dry mountain pastures. I have specimens from Mr. D. Moore, col- 

 lected on Magilligan, with three distinct stalks of fructifications. 



15. OPHIOGLOSSUM. Linn. Adder's-tongue. 



Capsules 1 -celled, 2-valved, opening transversely, connate, so 

 as to form a compact 2-ranked spike. Involucre none. 

 Name, o0ts, o^ios, a serpent, and ^\waaa, a tongue, which the 

 spike of fructification somewhat resembles. 



1. O. vulgatum, Linn. Common Adder s-tongue. Spike 

 cauline ; frond ovate, obtuse. Br. FL ed. 3. p. 457. E. Bot. 

 t. 108. Hook, in Fl. Lond. N. S. t. 78. E. Fl. v. iv. 

 p. 329. 



Moist pastures and boggy mountains, not unfrequent. 



ORD. 92. LYCOPODIACE^. Sw. Wolf's-foot Family. 



Fructification sessile in the axils of the leaves or branches. 

 Capsules without a ring, some 2-valved, filled with a powder ; 

 others 2 3-valved, containing larger globular bodies. Leafy 

 plants common to very different climates, and with very varied 

 aspects. 



