■ 



Pl.ATK XXVI I. 



THE HAY-SCENTED, or CONCAVE PRICKLY- 

 TOOTHED BUCKLER FERN (Lastkka fcemsecii). 



LASTREA, Prest. 



Glitxfo-rs of Spwhc&srs circular, nurdia! or tfubterimnal on the venules, covered by an 

 indusium, or membranous scale, Indusium reniform, u (l mom or less regularly 

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

 becoming fixe- Veins simple, forked, or pinnate; vcnttlcs dircct> disunited at 

 their extremities. 



L. F<ESi3£Ciit fronds triangular or triangular-ovate, tripinnate, spreading; pinnules 

 concave; pinnulcta pinnatifid, the mucronatcly serrate lobes curved upwards ; 

 scales of the stipes concolorous, narrow-lanceolate, fimbriate or laciniate ; 

 indusium margined with minute sessile glands, 



LABTnrt rMtuoii, ffiifM, Plyt*k$Ut t U, «3. Jfe!tflt?f*», Jfr***/ <f British Bet**y t ML 2M« t 



Ftvrlyraflia JfrtfeHjUM, Eft H7. Moore. //**£&£ of BrtiiA Ferns. I3U. &neerty t Ferns, 27, t. II. 



LiirnrU met it a, JYVtrwrii, XaUeutttf* Jhmmaq l&lt, 23. IFutory <f firifhl Fmu t 2 cJ, 22S. 



LAftTBKA COSCAY*. AWrwn J/& ; JUH^f </ JMmI Atm, 2 r.l "235. 



XiMROi>lcil lajittcif, £<w, im Gmbridpt /'iiirep Jfctf TVcnAiitfiW, frr. 7. 



Afll'lMClf B1£rEYl'H, Bw, FAytdtpisi, i, 37ft. 



A*riDit:)i blLATAtnr, nr^lUVlTm, Itrrt, Jfafazi** tf Xafifftit Jfi*t«rf t i\\ XQ2* 



Mt-lDiuu dilatatlm y, If^A-er unJ ,rV*tf/, BriiUk Flora, 57h 



L0rfl0»U7N raxrifccir, AVcim, Appt*Aix to Pk\yt&tayi*t t lB51,xri* Ilutory of TSritUl F<rm* t 13a 



Lomoi»CU UOTlTUVp ymsm t Vkytttejist, iv. 371. 



EXPLANATION OF THE PLATE, 

 Pure XXVII.*- Lavtska mMSicn i fa*a Balcorulc, Su»ei i & O. Omy, 



1IA1UTAT.— Tfaii Fern ii foond plentifully in Uw IVuE&*ut* ft>r»M\i bj ita counUn of Coma-all, Dotfto, and &micr>rt ; it 

 »lr*> occur* in *ovrml part* of Suhcx, It tins not boon *on in llio Kiuth-ratom |x>rtii>o of Kuetiii»J, but luu t*vn 

 grttxrol in KTi'rnl part* of W«lc*j in tho 1*1* of Man, in North Lmcithitv, in Cumtarianil and XoriltuiiitarhfeJ, 

 nutl both on tbc eastern n^-l wetorra *»ic* of Yorkihiro. In Scotland it o«ur* oa tbc »borcs of l^xb Lomond, on 

 thp wc*t voaht of Arz\l<*ihir?i in Ifcw I»U** of Amn nini Mull, in Orktvy mil the pjtrr Jlcbriih.-*. In Ireland il i% 

 aWiriauL The rau^e. in cUlilifrJe npjiran to catrad from tho,<oort level, lo &n deration of about 1J0O ftvl. It 

 ]im?en» ali&ily Mcky baUuli- 



GKOGRAPIUCAL DISTRIBUTION.- Bqwri lb* limiU of lb** United Kingikm, lb* pjmxm i» found, wo Wilorc. out/ in 

 tbo At Lint k IiW off tliv AfricAn oaul, namrt/ tbo A&>rom 3In4cirn, and the Cape do Vwii l«Jw, 



Oaudex stout, densely scaly* tuftwl, erect or sometimes decumbent, formed of the bases of tho 

 fronds surrounding a woody axis, ScaUs nanw-lftnccolate. pale ferruginous concolorous, variously 

 and sparingly fimbriate or lacerate on the margin. Fibres long, stout, wiry, branched, dark brown, 



toiiicntosc. 



Stipes usually about half the entire length of the frond, rigid, moderately stout, brownish-purple 

 from tho base upwards, famished plentifully with subulately-lnnccolate entire fimbriate or lacerate 

 scales of a ]>alo rusty-brown colour, ttuclm greenish, furnished with fewer and smaller scales, and as 

 well as the stipes and secondary rachitics bearing numerous small sessile spherical glands. 



Vernation circinatc. 



Fronds numerous, from one to two feet high including the stipes, and from about five to eight 

 inches across, sometimes smaller, of a rich bright green, somewhat paler beneath, drooping, the upper 

 surface crispy ; triangular, or elongate-triangular, or sometimes ovate, tripinnate, the lower surface 

 Sprinkled with minute sessile glands; terminal, and adherent lo the caudex. Pinna opposite or 



5? 





*^l i±\. 



