

Plate XXVIII. 



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 I 



Till'. MOUNTAIN UUCKLKR FERN (Lmtrea Oreoitkris). 



LASTIIEA, W. 



Clusters tf BpVNMiases circular, medial or subterminal on the venules, covered by an 

 indusium, or mombtanous scale. Indusium rcniform, t> v moro or less rcularly 

 rotundatc with a posterior notch ; attached by the sinus or notch, the margin 

 becoming free. Veins simple, forked, or pinnate ; venules direct, disunited at 

 their extremities. 



L. Orkopteris: fronds rcsinoso-glandular beneath, lanceolate, very much narrowed 

 Mow, pinnate; pinna) linear-lanceolate, deeply phmutifid, tho lobes oblong, Hat ; 

 sori marginal ; caudcx tufted, 



LtiTBtA OBKorrrttit, Pm), THUmcb Pteridtjrxp&ur, 70. JMotyta, H*nv*l*fBritM Ifotay, 410* Dnii*, 

 FtorifKfhia //nVdwtuv, jr. 03. Swwty, Jfcw, 17, t, S. Jbor*. //«*fta* tf Brititk JV™, 100. 



AVirwtf, HUt&ry o/ IfrifiA FtrMM, 2 cd. 1& 



Lwtttt WOttU, T, Jfttw, /JWta* </ ItrilUh Knw, 100. A>ra*n f /fofory f/ lirifUl Frr*t, 3 co\ 130, 

 AftribiL-u OftttirrKiio, &OT/r, &*r*Ar'f Jwraat fir die ffa'unH; 1S0O, ii. 35. Stlkutr, KfmtavawttstA* 

 Gnr&Ait, 37. t* 35, 3a Atffl, £%ra IMtailMf, 1120; foftiU Fbn, it. 273. JI<ntr/**J Aim$tt } 



JlritUh iYef-tf, 5Cft\ Af*tt*j> t F/nsr* ifiUrmta, 3fl& IHtfaVaoir, Sfwitt iVjatartfi*, v. 217. S^i^r/, 



tyjfow FiytMffiin*, it- 101. 



A H nttM ODOElrrtrtf, *Vm/* AWmif ArrvT*yrmJ*t tf Jiritlt\ PtxxU t ii. 0, 



PoLTroMtU Oiloit till*, fflrlcrtt Bfitrvft ivr Sat*rku**fc t iv. II. Snitt, fi&jlUl 7faA»y, ir. t, 101a 



PoLYrODICJl UttfWmf, Vtgttr, Dutertatb Je Petjporfto wro/fra, run /roiir. 



Poi.i rooioi Titti*YiTtfi», tfu.tan. Fiwa An$?i(a r 157. Jfefro*, JV/io** TfriAMiifof, to, l. 22, 



PoLTroDiru riuotiyR, /l*JtQu f ffam Angli&* t oJ. 2 T 157 (not of Linrurai). 



PoLtroMVU rrKkoiDtfi, Viti*ri, Ifitt&irr &a Plantr§ £u ZtovptoW, ni. 811. 



PoLYrOMCW uviiou-FuyuM, jfflimi, Awtuarium aJ /"frftiu Pnkm6Ht*AOm t VJ. 



PoiAftTiciiuu hoxtjm'ii, Jfofa, JTor* Offo«irt, iii, 74, 



Poly mem: m Ojiwjiebib, 21* Gmdotlt* I'lm frtwj«w, IL ^IK5. 



i 1 1 «i.ii:(Li-ii hoctahlu, ArvAf, jipfxn&r to /'Jyfc&yuf, l&il, *xn> 



EXPLANATION OF THE PLATE. 

 PLATE XXY11L— XuuYflU Oiior»i!*i»;frwtiilH»fi Pork, BncVinshwntkire i J)a 4tJ«ifa. 



HABITAT. — Tliii tpcoc* fjroim in iLunp wooJ*' pfafo^ i-i^oallr Itutmnliiig by Ibo *ij<t of a rS*dr rill or **ti\*am; Wi Jt in 

 much ii^orc profuiclj met vitb on the bill tide* in he*thr tnouttlainoxii <lt»Uiel*. In tnaav pari* <>f the Nishluuk of 

 &i>tUttd it U Umj <oannon F<m of tbc biU *idr* And road rife* It ritcntU in this direction to lb* JCortb lligblandjt 

 ■n4 tho Wc*tm I*l« ; lbnw. tKrou^h the l^nlinJ« and the Like dialiirts, it ixntr*. hen* and tbcr^j nxiro or 

 lr» ibunfU:itt> in vute dUtn^U nit otvr En^lnn<l and WaIc*. It is alto found in all tfc« Iritb [irorinec Mr. Watton 

 p^i it* rafi^o of cMitioti na e\t*n'lir.^ from tho cooit lovel lo an altitude of about 2S50 feci, vhioh may nrobaUr 

 bo ortenoVd to 3CO0 (VcL 



GKOdKAPUICAL DISTRIBUTION.— TbU ipeck* b tie! with thronglHxit the whefeof Europe, exooptmff pcrliapi the 

 But. W'c hive a mnucjandum of its oti-umnee At Piw, one of the Aiorvan bland* bcin^ j.roUiMj iuHmkd. 

 In t]*e nootaffen berbarium b » *jnvimcB UMlcd from North Amencn t and ono froco Vcrnonl in Ibtt of the Key. 

 W. A. letghton* In Chili and Valj^nuflo oecim an allied plant, diiTcnn^ only in U-ing tJightl^ hairy {II b t IAiJUj). 



Caudez stoutv tufted, decumbent and slowly creeping, formed of the bases of the frond* surrounding 

 a woody axis, scaly. Scales pale ferruginous, ovate acuminate. Fibres stout, brown, branching. 



Slipcs short, stout, terminal and adherent to the caudcx ; glandular, and covered with ovate and 

 lanceolate pale brown membranaceous scales. ItacAts scaly below, the scales becoming finer and more 

 hair-like upwards ; clothed alao abundantly with sessile glands. 



Vernation circinalc, tho pintm: not folded convolutely* 



Frond from one to three feet or more in height, the smaller three inches, the latter eight to ton or 

 eleven inches in breadth, ercctish, numerous, terminal, bright green or often yellowish, clothed beneath 

 with a profusion of small sessile resinous glands, which give out an agreeable balsamic fragrance ; Ian- 





Kh-.^J-. 



