^"^^ the Island of Tristan da Cunha, &c. 511 
que pubescentes, paleisque rufis deciduis adspersæ, paleæ 
baseos lineares, confertissime. Sori submarginales. 
Grows in the wood: very common. 
41. AsrrDiUM BIFIDUM, fronde bipinnatifida lanceolata pube- 
scenti, pinnulis integris obtusiusculis: venis indivisis, soris 
lateralibus seriatis. i 
Polypodium tomentosum. Aubert op. cit. p. 32. tab. 3. 
Stem about twelve inches long, beset with the remains of the 
decayed stipes, forked at the top. Fronds from one to 
` three feet long. 
In the wood: common. 
42, AsPIDIUM CORIACEUM. Willd. Sp. Pl. v. p. 268? 
Polypodium calyptratum. Aubert op. cit. p. 33. 
Grows on the face of the table-land ; appears to be very 
rare; perhaps a stranger. I met with one plant only. 
43. Asprp1um MEDIUM, fronde bipinnatifida deltoidea glabra, 
pinnulis pinnatifido-incisis dentatis, involucris lateralibus 
incisis stipite rachique squamosis. s 
Stem about six inches, crowned with a circle of fronds from 
nine to twelve inches long. | 
Grows on the table-land. 
A4. CHEILANTHES viscosa, fronde tripinnatifida pubescenti, 
pinnulis inciso-dentatis, stipite rachique hispidis. 
Polypodium villoso-viscidum. Aubert op. cit. p. 33. 
Caudex subterraneus, repens, setosus, stipes erectus teres sul- 
co exaratus fragilis rufus. Frons sensim explicata, 2—3- 
pedalis. Planta tota setis rigidis erectis glandulosis viscidis 
obsessa. . 3 
It grows in the wood: rather common. 
| 45. As- 
