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Pinna of mature Erond,
G L E IC H E N IA S P E L U N C Æ .
B r o w n . H o o k e r . M o o r e . J . Sm i t h .
(Not o f G u i l l e m i n . )
P L A T E X L IX . V O L . V I I I .
Gleichenia—Named ia lioaoiir o f Barou P . P . Von Gleichen, a German
botanist. Speluncæ—O f a cave.
A K A K E , large-growing., splendid species, of compact habit,
v ery distinct, and having p en d en t h u t n o t curving branches.
A warm greenhouse F e rn .
Na tiv e of P o rt Jackson and N ew South Wales.
F ro n d s glabrous, simple or forked, dichotomous, p in n a te , and
u su a lly about a foot in len g th , b u t vary in g considerably in
size, and in th e degree of ramification. Pinnse pinnatifid,
about an in ch and a q u a rte r in len g th , opposite below,
a lternate above, tb e segments be in g semiovate, plan e , and
membranous, n o t pouched, a lternate, and usu a lly from sixteen
to twenty pairs.
Colour of fronds ve ry pale gre en above, and v e ry silvery or
glaucous beneath.
V eins forked and indistinct.
T h is species grows to the h e ig h t of from four to five feet.
Sori termin a l, situ a ted at th e apex of a veinlet, punctiform,
and naked.
F o r fronds my th anks are due to Mr. J . Smith, Curator of
th e E o y a l Gardens, K ew ; M r. Moore, of th e Glasnevin Gardens,
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G L H I G H E N I A S P id L G N G Ai
XLI X -V O L . 3.