

TAB. XCVIII. 



» 



ADIANTUM 



PENTADACTYLON. 



FILICES. — GYRATiE. Br. 



Polypodiace^. Kaulf. Filices verse. Willd., Spreng. 



Gen. Char 



ADLANTUfrL Linn 





Sori marginales, punctifo 



vel lineares. lnvolucrum 



margine frondis replicato, disco venoso capsulifero, limbo membranaceo, libero 



B 



Adiantum pentadactylon ; fronde tripinnata, pinnulis petiolatis 



rhombeis acuminatis 



lobatis, lobis serratis, basi oblique cuneatis, soris oblongis solitariis ad apicem loborum 



Adiantum pentadactyl 





CC 



Langsd. et Fischer, Ic. Fil 



9» 



Sp. Pl. v. 5. p. 448. Spreng. Syst. Veget. v. 4. p 



Kaulf. Enum. Fil. p. 206. Willd, 



Adiantum, n. 18 17. Burchell Mss 



Hab 



In Insula St. Catherinae Brasiliae 



Langsdorf. Chamisso 



Prop 



Ri 



de Janeiro 



D. Burchell. D a . Maria Graham. 



I 



Stipes spithamaeus et ultra, aterrimus, nitidissimus. 



Frons fere longitudine stipitis, circumscriptione deltoidea, bipinnata, pinnis inferioribus longis iterum divisis, pin- 



, petiolatis, petiolo gracillimo, sesquiunciam ad duas uncias longis, teneris, opacis, 



nulis alternis remotiusculi 



ato-rhomb 



acuminatis, inciso-lobatis, lobis oblong 



basi inaequali et obliq 



to 



Nervi numerosi, repetitim dichotome divisi, e basi radiatim expansi. Color intense viridis. Bachis 

 partialisque aterrimae, nitidae. 



Sori ad apicem loborum, solitarii. 



Involucrum transverse oblongum, subtus capsuliferum. 



Capsulce fuscae, sphaericae, sublonge pedicellatae. 



Semina triangularia, pellucida, pallida. 



Fig. 1 . 





Pinna cum soris. f. 2. Apex lobi fertilis. f. 3. Capsulae. f. 4. Semina : — magn. auct, 



Our friend Mr. Burchell, as well as Mrs. Graham, have been so obliging as to communicate 



this very handsome sp 



of Fern to us. Willdenow, correctly 





Ad. trapeziforme : but that has shorter, less acuminated pinnules 



igh, compares it with the 

 deeply inciso-lobate at the 



plant, which appears to be truly distinct from that and every other of the g 



margin as ln our 



and confined to the neighbourhood of Rio, in Brazil 





