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IIH
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T A B . C V I .
C Y A T H E A S I N U A T A .
ITLICES.—G y r a t æ . Br. P o l y p o d i a c e æ . Kaulf. Filices v&cæ. Willd.,Spreng.
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G e n . C h a r . C Y A T H E A , Sw. Sori g lo b o s i d o rsa le s d is tin c ti, d iv isu ra v e l m ed io venæ in s id en te s .
Involucrum in fra so rum in s e rtum , tra n sv e rs im æ q u a litc r vel la c e ra tim d eh isc en s.
C y a t h e a sinuata ; f ro n d ib u s s im p lic ib u s lan c eo la tis s in u a tis co s ta tis ven o sis, so ris in m ed io v en a rum
la te ra lium .
H a b . I n Z e y lo n a , u b i Pas-dum-Karle d ic ta . Emerson, M .D .
Cauàcx ? erectus.
Stipites breves, versus apicem caudicis inserti, sparsi, nigro-fusci, nitidi, glabri, paululum muricati, inferne
dilatati.
Frondes plurima?, versus apicem caudicis congesta?, pedales, sesquipedales, coriaceo-membranaceæ, glabræ,
lanceolatæ, basi apiceque attenuatæ, margine sinuato-lobatoe, lobis superioribus obsoletis, ad summum
apicem serratoe, costatæ, venosæ, venis pionatim ramosis, ramis soriferis.
Sori, semper in venis lateralibus et medium versus, inserti.
Involucrum infra sorum insertum, exacte globosum, membranaceum, reticulatum, ti-ansversim sed irregulariter
dehiscens, parte inferiore persistente pateriformi, margine magis minusve lacerato.
Receptaculum capsuliferum, hemisphoevicum.
Capsula: spbericoe, annulo fere completo cinctæ, pediceUatæ.
Fig. 1. Portio fructificans frondis. f. 2. Sorus dehiscens. f. 3. Pars inferior persistens pateriformis involucri,
cum receptáculo capsulisque. f. 4. Capsulæ :—magi. auct.
T h e o ld g e n u s Cyathea o f S ir J . E . Sm ith b a s b e e n divided b y M r . B row n ; a n d th e tru e Cyathea
a re b y h im c o n s id e re d to b e C. arbórea, dealbala, medullaris, affinis, &c., in all o f w h ich , as well
a s in fo u r o th e r u n d c s c rib c d spe c ie s, th e r e is a sp h e ric a l in v o lu c re , b u r s tin g tra n sv e rs e ly a n d eq u a lly ,
iu a la c e ra te d m a n n e r, in s e rte d u p o u th e fo rk in g o f a ve in ;— b u t, o b s e rv e s M r . B row n , in a fifth
spe c ie s f rom th e M o lu c c a Is le s , th e in v o lu c re a ris e s from th e middle o f a vein, “ a t q u o n iam hæ c
a co n g e n e rib u s d if ic it p in n is in te g e rrim is su b e n s ifo rm tb u s so risq u c sp a rs is , leg em in s e rtio n is
b a u d m u ltum in firm â t.” T o th is Cyathea f rom th e M o lu c c a Is le s , a llu d ed to by M r. B row n , o u r
C. sinuata is, in a ll p ro b a b ility , c lo se ly a llied, i f i t be n o t th e siune sp ecies. I t is q u ite u n lik e
a n y h ith e r to de sc rib ed o ne ; a n d wc r e g r e t n o t to h av e s e e n m o re p e rfe c t sp e c im en s th a n th o s e
h e re figured, w h ic h give n o id e a o f th e h e ig h t o f th e c au d ex , o r th e th ic k n e s s to w h ich it may
b e su p p o s ed to a rrive.
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