Portion of mature Frond— upper side. 



ASPIDIUM LONCHITIS. 



SwAiiTz. J. E. Smith. Hooker and Aenott. Mackay. 



SCHKUHR. WiLLDENOW. SPRENGEL. 

 PLATE XXII. — VOL. VI. 



Aspidium asjperum, Geay. 



PolysUclium loncMtis, !Roth. Deaein. Babington. 



" " SowEEBT. Newman. Mooee. 



Peesl. Fee. 

 Polifjjodlum loncJiitis, LiNNiEUS. J. E. Smith. Bolton. 



Aspidium — Tlie Shield Fern. LoncJiiiis — S]_3ear-like. 



In the Section Polystichum of Authors. 



The "Holly Fern/' or, as it is sometimes called, the "Alpine 

 Shield Fern/' is a mountain plant, and difficult to cultivate. 

 It has a range of from about the elevation of one thousand 

 two hundred to more than three thousand feet. A British 

 species, found only in Yorkshire on Ingleborough; in the 

 Lake district; Carnarvonshire; on the mountains of the High- 

 lands in Scotland; and in Ireland in the counties of Kerry, 

 Meath, Sligo, Leitrim, and Donegal. It occurs in Iceland, 

 Lapland, Sweden, Denmark, Ilussia, Germany, Hungary, Eng- 



