T
TAB. C.
G Y M N O S P H Æ R A . B l .
S oH globosi, nudi, medio venularum dorso inserti. Ee e e p ta cu lum elevatum, subcy-
lindraceum. Sporangia p ed ic ella ta , la to -a n n u la ta {annulo v i x obliquo) p ilis
apice c la va tis im m ix ta . Sporulæ obtuse trïlobce. Filix arborescens. Frondes
hipinnatce ; pinnis lanceolatis subsessïlïbus suhcoriaceo-membranaceis, lobato-
pinnatifidis. Venæ p in n a tæ , v enulæ simplices apice subclavatæ, fe r e ad m a rg inem
attingentes, medio soriferæ.
Gymnosphæra squamulata. B l .— J . Sm . in Hooh, Jo u rn . o f B o t. v. 3, p. 419.
H a b . M a la c c a. Cuming {n. 3 9 6 ).
To this Genus may be referred Polypodium giganteum, Wall, and Cyathea venulosa of
the same author (Cat. n. 180). I t has quite the arborescent hahit and general structure of
frond ofthe Cyatheaceous Ferns, and the elevated receptacle ; hut the annulus of the sporangia
is not oblique, and the sori are entirely destitute of indusium.
T a b . C.— Fig. 1 , 2 . Sterile p in n a ; sWghtiy magntfed: f . 2 . Portion o f a sterile pinna, more
m a g n ife d : f.Z . Fertile p in n a ; slightly / 4 . Portion o f d o .; more ìàgìAy magnifed :
f . 5. Sorus and a receptacle from which the sporangia are removed : f . 6. Clavate hair from among
the sporangia: / . 7- Sporangium : f . 8. Sporules ; magnified.