TAB. LX. 



HYMENOPHYLLUM DILATATUM 



FILICES. — GlRATiE. Br. 



Polypodiace^. Kaulf. Filices verae. Willd 



Gen. Char. HYMENOPHYLLUM, Sm. Sori marginales. Capsulee sessiles, receptaculo 



communi cylindraceo insertae, intra lnvolucrum bivalve, textura frondis, valvis planis, exterius 

 liberis. JBr. 





■ 



Hymenophyllum dilatatum; glabrum, frondibus bi-tripinnatifidis, pinnis ovatis dichotome divisis 



decurrentibus, laciniis linearibus obtusis integerrimis, involucris orbicularibus inflatis,, stipite 

 superne racbique alatis. 



Hymenophyllum dilatatum. Sivartz. Syn. Fil. p. 149 et 373. Schkuhr. Fil. p. 131. /. 135. 



Willd. Sp. Pl. v. 5. p. 533. Spreng. St/st. Veg. v. 4. p. 132. 



Trichomanes dilatatum. " Forst. Prodr. 



9> 





Hab. In Insulis Maris Pacifici. Forster. In Nova Zealandia. D.Menzies. Brazil? (Sprengel.) 



Caudex repens, horizontalis, gracilis, fuscus ; laevis hic et illic radicans. 



Stipes digitalis, erectus, glaber, basi teres, superne subalata. 



Frons, circumscriptione oblongo-ovata, omnino glabra, pinnata, pinnis ovatis subattenuatis, basi in rachin alatam 



decurrentibus, bipinnatifidis, laciniis subdichotomis, linearibus, costatis, obtusis, integerrimis, terminali lon- 

 giore ; Substantia membranacea, sub summo lente minutissime reticulata, siccitate fusca, costa prominente 



pallida. 

 Sori in laciniis terminales versus apicem frondis. 

 Involucra orbicularia, pallide fusca, bivalvia, valvis hemisphaericis integerrimis. 



Receptaculum inclusum, clavatum. 



Capsulce peltatae, sessiles, pulcherrime reticulatae, annulo completo dilatato cinctae. 



> 





Semina subangulata, flavescentia. 



Fig. 1 . 



/ 



L 



cum soro. 



f. 2. Portio frond 



f. 3. Involucrum apertum cum 



ptaculo capsularum 



f. 4. Capsulae. f. 5. Semina : — magn. auct. 



We know not upon what authority Sprengel considers this to be a native of Brazil. The speci- 



originally discovered 



mens 



here figured were gathered by Mr. Menzies in New Zealand 

 during the first voyage of Captain Cook, by John Reynold Forster. 



was 





