G E N U S III. 
GYMNOORAMMA, Desvaux. 
GEX. CUAK. Sori linear forked, subsequently con- 
fluent ; spore-cases medial, superficial on the back of the 
veins. Veins free, forked or pinnate. 
This genus consists principally of tropical ferns, and in- 
cludes those beautiful species whose fronds, covered 
l>eneath with a golden or silvery powder, are familiarly 
called Gold and Silver Ferns. 
The name is derived from gymnos (naked), and gramme 
(a line) ; and alludes to the circumstance of the son being 
linear and naked. 
l. Gyxnnogramma leptophylla, Desvaux. 
Slender Gymnogram. Fronds ovate bipinnate, fragile ; 
pinnae roundish cuneate, about three-lobed, the lobes 
obtuse two-toothed. 
GYMKOGRAMMA. LEPTOPHYLLA, DcSvailX. AXOGKAMMA LEP- 
TOPHYLLA, Link. GRAMHITIS LEPTOPHYLLA, Swartz. POLYPO- 
DIUM LEPTOPHYLLUM, LilllliCUS. ACBOSTICHCM, LEPTOPHYLLUM, 
De Candolle. OSMCNDA LEPTOPHYLLA, Lamarck. ASPLZNICX 
LEPTOPHYLLUM, CavailillcS. 
The Slender Gymnogram is an annual or perhaps a 
biennial species. The plants form each a little crown, 
fixed to the soil by a few short fibres, and producing a 
