340 CHARACTERS OF TRIBES AND GENERA. 
Cunn. (v v.) ; G. rupestris, R. Br. (v v.) ; G. alpina, R. Dr. 
(v v.); G. spelunca, R. Br. (v v.) ; G. polypodioides, Sm. 
Ons.—In the two last species the lobes of the pinne are 
but slightly revolute. 
Merrensta, Willd. 
Pinne pinnatifid, lacine plain, oblong, linear lanceolate, some 
an inch or more in length. Sporangia lateral. 
Sp. G. flabellata, R. Br. (v v.); G. dichotoma, Hook. 
(v v.) ; G. farcata, Spreng. (v v.) ; G. pectinata, Pr. (v v.) 3" 
G. pubescens, Kunth. (v v.) ; G. cryptocarpa, Hook. (v v); 
G. Cunninghami, Hew. (v v.); G. longissima, Bl. (G. 
glauca, Hook.; G. gigantea, Wall.; G. excelsa, J. Km. / G. 
Baneroftii, Hook. ; Mertensia pinnata, Kze.; G. arachnoides, 
Mett.; G. bullata, Moore; Hook in * Synopsis Filicum."). 
Oss.—-It is probable that several of these synonyms are- 
distinct species, as they are found in very different regions, 
but this can only be determined by seeing them side by 
side under cultivation. : 
** Sori indusiale. 
197.—Matoxia, R. Br. (1830). xat 
Vernation sarmentose. Stipes 4 to 6 feet high, smooth, - 
rigid. Fronds bi-partite, flabelliform, with a cordate base, 
l} to 2 feet wide; segments numerous, uniform, linear. 
lanceolate, equally pinnatifid, lacinee about 1 inch in length, 
~ linear lanceolate or obtuse, costate, plane. Veins the sterile, 
forked, free; the fertile anastomosing. Sporangia definite. 
-~ (4 to 6), disposed in a single series round & punetiform. 
. receptacle, seated on the confluence of 5 to 10 veinlet 
.. furnished with an orbicular, inflated, central attache 
- stipate indusium, constituting globose sori, — : 
