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98 T H Y R S O P T E R IS E L E G A N S .
to sixty inches in len g th , th e leafy portion being from fifty to
sixty inches long.
T h e lowest pinna: twenty-four inches in le n g th ; colour vivid
d a rk green.
Veins pinnate, venules free, th e ir apices forming soriferous
pedicels.
In v o lu c re s coriaceous, cup-shaped, en tire , and petiolate, th e
indusium forming a calyciform cyst.
My th anks are due to Dir. J . Smith, of the Ilo y a l Gardens,
K ew , for fronds of this species.
I t may be p ro cu red of Messrs. V e itch , of th e E x o tic N u rs e ry ,
Chelsea.
T h e illustrations are from Mr. Smith’s fronds.
GENUS A7
C IB O T IUM . K a u l f u s s .
A n interesting family of large F e rn s , with fronds from five
to fifteen feet in length. Decumb en t, or erect and arborescent.
F ro n d s u sua lly glaucous ben e a th . Veins fo rk ed or p in n a te .
V enules free. Sori proje c tin g from th e m a rg in , an d always
on th e apex of a vein.
T ro p ic a l or subtropical, from Mexico, Assam, tb e Sandwich
and P h ilip p in e Islands. F ro n d s bipinnate.
Sir W . J . H o o k e r, in his “ Species F ilic um ,” en um e ra te s:—
C. glaucum, Hooker a n d A rn o tt. Sandwich Islands.
C. glaucescens, K u n ze . P h ilip p in e Islands.
C. Assamicum, Hooker. Assam.
C. Chamissoi, K a u lfu s s . Oahu.
C. Menziesii, Hooker. Oahu.
C. Scbiedei, Schlechtendal. Mexico.
T h e re are only two species in cultivation in E n g la n d .
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