— 192 — 



LINDSAEA Dryand. 

 LINDSAEA LEPßlEURII Hook. 



Lindsaea Le-prieurii Hook. Spec. Fil. I 208 t. 62 D. 



Ehizoma tenue , fusco hirsiitum , subtus fibrillas radicales longissinias copiosas- 

 superne froncles plurimas protrudens. Frondes semipedales ; stipes gracilis, 2 — 3 poU. 

 longus, argute quadrangularis , fuscus, ima basi excepta giaber, Pinnae 6 — 8-jugae, vix 

 decrescentes, 15 — 10 lin. Igae 8 — 5 lin. Itae, dimidiato - ovatae vel dimiato - trapezoideae, 

 breve et obtuse acuminatae, pallide virides vetustiores imo purpiirasceutes, margine superiore 

 convexo nonnunquam subsinuatae et basi superiore rhachi proxima et parallela rectae nec 

 nervoso-margiuatae, margine inferiore concavae, flabellatim nervosae; nervo infimo (margini 

 inf. proximo nec vero marginante) reliquis validiore, omnibus ad pinnae basin promimilis, 

 snpra basin pluries dichotomis et sensim evanidis; segmentum summum irregulariter hasta- 

 tuin, reliquis sublongius, costa niedio percursum. Sori continui, margini superiori et apicali 

 proximi. Tudusium angustissimum, integrum, laeve, flavescens vel purpurascens. 



Vorh: Jtaparica an trockenen felsigen Orten; Wwr. u. Maly Coli. n. 151. 



LINDSAEA STRICTA Drijand. 



Lindsaea stricta Drtjand. Act. sog. Linn. Lo?id. III 43. Hook. Spec. Fil. I 216 ; Sw. Syn. Fil. 119; 

 Seht Crypt. Gew. 505 t. 114; Raddi Fü. Bras. 55; Fee Gen. Fil. 105. 



Rhizoma villis adpressis fuscis hirsutum. Frondes bipinnatae. Stipes sesquipollicaris, 

 erectus, gracilis, antice laeviter exaratus; pinnae paucae (8 — 10), spithameae, strictae, in- 

 fimae oppositae, superiores irregulariter alternantes. Pinnulae alternantes, 3 lin. longae 

 et totidem fere ab invicem remotae, sublunatae vel ti-apezoideae , basi superiore rhachin 

 (sec.) fere attingente eaque parallela truncatae, margine (fructifero) deflexae, nervo infin;io 

 et nervo basis sup. reliquis mox evanidis validioribus; pinnula infima in pinnae axilla 

 subsessilis, fere obovata et reliquis subminor; summae sensim minutissimae. Sori con- 

 tinui, ad pinnulae trientem summum aggregati, margine deflexo undulato et nonnihil calloso 

 involucrati. Indusium angustum, tenerum, viride, denticulato-crenulatum. Sporangia ovoidea, 

 annulo 11 — 12 - articulato, sporis minutis trigonis laevibus fuscis. 



Vorlt: ItajJarica in schattigen Wäldern; Wtor. u. Maly Coli. n. 184. 



Die unserer Art sehr ähnliche L. Guyanensis Dryand. unterscheidet sich (nach Hooker 1. c.) durch 

 grössere mehr schlaffe Wedel und dichter gedrängte Fiederchen. 



