The fronds arc pinnate, the pinnæ being pinnatifid, narrow,
oblong-lanceolate, mostl)' opposite. Segments obtuse and slightly
falcate, strongly marked u nderneath with the simple, free,
parallel veins; the lower pair of venules anastomosing in the
manner of the section Nephrodium.
Stipes a foot or more long, furnished on each side with
short abortive pimiæ, nearly to the base. P rim a ry and secondary
rachis, as well as the stipes and veins, covered thickly with
short, spreading, pellucid hairs.
Sori medial, obloug-lincar, and decussate; the indusium linear,
and being attached longitudinally on the centre of the receptacle,
and having sporangia in its axis on either side. Margin free.
L ength from twenty-four to forty-eight inches.
P o r fronds my thanks are due to Sir W . J. Hooker, Eoyal
Gardens, K ew ; Mr. Moore, of the Chelsea Botanic Gardens;
M. Schott, of the Imp e ria l Gardens of Schonbrümi; and Mr.
Josep h Henderson, of AA'entworth.
I t may be procured of Messrs. Eollisson, of T ooting; and
Booth, of Hamburg.
The illustration is from Mr. Moore’s frond.
OLEANDRA. 3 9
GENUS VIII.
O L EA N D R A . C a v a n i l l e s .
A n extremely interesting small family, none of the species of
which are found in any except the best collections.
The meaning of the name is not known.
Pre sl, in his “ Tantamen Pteridographite,” gives the following
:—
Oleandra neriifolia. Cavanilles. \ Oleandra articúlala. Presl.
“ nodosa. Presl. “ Wallichii. Presl.
Fee in his “ Genres de la Famille des Polypodiacées,”
enumerates.
Cumingii. J. Smith.
Macrocarpa. Presl.
Mollis. Presl.
Neriiformis. Cavanilles.
Phyllartliron. Fee.
Musæfolia. Fee.
Moritzii. Fee.
Lomatopus. Fee.
AVallichii. Fee.
Hirtella . Miguel.
Nodosa. Cavanilles.
Articúlala. Presl.
Air. Thomas Moore, in his “ In d ex F ilicum,” mentions
0 . neriiformis. Cavanilles. | O. nodosa. Presl.
O. articulata. Presl. ! O. pilosa. Hooher.
O. AVallichii. Presl. j 0 . Cumingii. J. Smith.
Fronds simple, entire, lanceolate, and stipitate.
Rhizoma scandent or creeping.
Sori circular, transversely uniscrial, costal, or irregular.
Indusium reniform.
H ab it very distinct.
Veins simple or forked.
VOL. VII.