Plate VII. 



THE ALPINE POLYPODY (Polypodia alpestrk). 



POLYPODIA, u 



*uuHi;tiit w 



Clusters of Spore-wuws circular, without covers, growing from the back of the veins, 

 terminal, or nearly so. Veim disunited at their extremities, their branches 

 {venules) simple, forked or rarely pinnate, 



P. alpestbb; fronds lanceolate, hcHwiceous, sub -erect, bipinnato ; pinnre narrow lanceolate 

 from a broad base, spreading or ascending ; pinnules ovatc-oh!ong, or subfalcately 

 ovatc-lanccolatc, pinnatitid ; segments oblong, bhmtish, serrate; stipes short; 

 secondary rachis narrowly winged ; (son rarely spuriously indusiatc). 



favrVOMVX Aintm, $pre*p} t %rfe<*t V tyfiMim m , Vf^pm% 3W. Ue&*, PL m, *v. K&l, .^jm*w-, 

 fel. 2. Iff*. Itooee, //*iwfc»t tf Jfrituk Fmu, 50, Iftaufty, i* JVa*e*Y* *iW*wi> of Jtrituk Ftnu t ed. 

 2$, ttpfK pfatc, fig. 2, a. .W/fty, &r*t of Gfttt Britain SI, I. 4& 

 FdMWMM aiixticcii, iW*V, " Mm. ii. 2S>" LeJdemr, Ftor* Rutk*, W. 510. JWe#, $**** rMaUAm, 

 $2. Iffab ftaWafr F/om, 423: not of Li****** 



Ottroebr, &3, t, GO. (erel. urn, Lln>) 



.^ee*e* PJa*Untn t v. *$0, (e<ch *yn. Lin.) 



AlTIMVal DIfTSVTirOLirUt TdVfrA/ according lo SU'Lldeh 



IWDiriUitm ALr»T»i,J\>««ii,W^/ v ^ l iv.370; ApjxnJU, ISM, rir. | Itatory tf UriM Ftnu, IW. 

 AtKYiuvu almiitui;, Inland*, in tilt. 



Var. FLEXitE; fronds slender, flaccid, narrow lanceolate, bipinnate ; pinna; short, ovate- 

 lanceolate, spreading or dctlexed ; pinnules oblong, obtuse or acutish, narrowed 

 below, sessile or adnatc, distantly lobed or toothed ; stipes very short 



Folimdh-u i m\ii f. Jfow, //am/tot* tfMM Ftrm t 223. //e#/rty, in JfoftotV* Anatyi* vfBrUM JVnu, 



6 cd. 29, j A/p, plate* fo. 2 T n. 

 Pair datuyu en rt-tiiltt?, Aetnacx, PXyfot&fUt, it. 074. /hi/try pf UrUUh Fcrst, 203. 

 Arurtloi ? ttKAiLK t T. Jfeore, J/& t in //A. 



EXPLANATION OF THE PLATE. 



Pf,Ait VIL— PoLTroiuru al]-e*tke; A, from Glen Dole, Clara, Forftrahire; O, Afine. B, from Uetuven, BfMaaW. 

 Ahcrdrmnhirc; A. Ct+tll. C, from l^xhnagar, Abrrdceniuire ; TF> Sttt&trUnJ. D t P. JXKtiml rixxtLf, from GJeu 

 Pfutcit, Clova ; Jl J/neHwift\ E, Tbo *nme f cultinU«d ; -t, CiapkaM. 



It AI11TAT.— Tbii plant W b*cn v^iofAru relate* to the UniW Kbplom. frund ooiljr in tho higl.l*w 4 U of Scotland, 

 *ta»> in (Ik* mountalnoiu di»trid» of Uw «unt!o» of Fvrir, Abvrfofo, and Pcrih v &» wo Icam from noxnonndn 

 o«nmanioit*i by Mr, 0, lam^on of Edmlmrgn. it b omo of the mo»t ftbundint of Fern*, imwM |Krh*p* only in 

 frt%\\tGt*f hy Ltifre* Omptrru/ iutheCtondUlrkt.dctoratliDg lo about 1*000 fort above tho »m. u>d ptrtaM lower, 

 and aaiocUtttl with Aihyrinms in AWrJ*viahirv, uoendieg nmrlj or qnite to 4000 fwi* Mr. Jame* BocVhouao, 

 j«n- f nlh> *t*tr* that in th^ CIotm mountain^ it oevur* in eoapony with Athfrimm t at from 2000 to :i000 foci elevation, 

 abore which, at from 3000 lo 4000 feel, the latter <I1**[>jkti» ( and J», rf//^*Yr* lxy<in»ea abumUnt. Mr II. C. Wat«m t 

 by nhotn H w*i flrtt found but unth >terminod to long ilneo a* 1S*1 ( gatherrd it in tho Great Corrio of Bcu AulJer. a 

 lofiy nwuntnin ittuato on tbo wt*t tido of Loch Krrtcht in JmcnievablnN It u j-mlxtblv diojn twd throughout tho 

 Highland^ nnd mi y eierj oreur further *outh ward, on it.e h\$\ ijiimntaiiuof M*nW and the North cf EngUiul, On tho 

 hill wide* in eipo*ed place*, the frondi aro very commonly damaged cither by mind*, rj>rin£ frott*. or tiy anituah, and it 

 L* only in the more ahHtrred locnlltir* iLil jwrfoot hjmvmu^iib can bo obtained. Tho variety fl*rilp hu been only 

 found in Glen Proacn, Clora, yortanhire, by Mr Ihckhoutc 



GEOGRAPHICAL DISTRIBUTION.— In Kurope, thia B |«ciea i* found iq Norway. Sweden, and UplajnJ 3 in kuvia.Wh 

 in Ltvonia on the wr*t f and the I "nd mountain* on tlieemt ; in Ibe Aljn of Switzerland ;and in Oermauj. 3Ieyer found 

 it in the Caueaiu*. A acnrocly dirtiugatahaWe nUnl, i<rhar* kdcntioal r waa collectod by Barclay at Sitka, in North 

 We*L Amvtm (//*. /footer). 



Gander short, erect or tlccumbenty consisting of tho persistent crowded lmses of the fronds 

 attached around a central axis, tho whole forming a stout roundish mass, frequently tufted. 





.IBt 



