i' i '
I
F o u r times pinnate, the pinnules being large and of a b rilliant
g reen colour; in form the fronds are ovate-rhomboidal, acuminate,
having the apex serrate and subcrenate.
T h e length of the frond varies from two to four feet.
The stipes, rachis, and pedicels, ebeneous and densely b la c k ;
near the base are a few thin scales.
F io n d s lateral, and attached to a short creeping rhizoma;
glabrous.
Sori large, oblong, prominent, with reniform indusium.
A d ia n tum trapeziforme is a native of the We st In d ian Islands
—Jamaica, Cuba, Mexico, Central America, Caraccas, Brazil,
V e ra Cruz, and Guatemala.
My thanks are due to Messrs. Backhouse, of Y o rk ; and to
Mr. In g ra in , g a rd en e r to E a rl Brownlow, (Belton,) for plants
of this species.
I t is in the Catalogues of Messrs. Backhouse, of Y o rk ; Rol-
lissou, of T ootin g ; Booth and Son, of H am b u rg ; Veitch, of
E x e te r; Sim, of F o o t’s C ray ; A. H en derson, of Pine-apple
P la c e ; and Masters, of Cante rbury.
T h e illustration is from a frond sent by Mr. H en derson, of
Wentworth.