I 'h c perichætial leaves (f. 7 ) v a iy in n um b e r from five to te n , and occupy th e sh o rt
lam u li tlia t su p p o rt th e f ru it to th e exclusion of such leaves as a re produced o n th e
re st o f th e p la n t, from which th e y differ materially in shape ; th e exterior ones b e in g
bifid o r trifid, with lineari-lanceolate an d s tr a it segm en ts; th e intermediate ones more
oblong in th e ir figure, w ith trifid extremitie s, as in th e fo rm e r; while th e interior
a re oblong, divided in to four o r five lin e a r, e re c t segments, fo rm in g w h a t m ig h t be
called a palmate leaf. T h e cellules o f all resemble those o f tlie cauline leaves ; tlie
color is somewhat paler.
F r u c t if ic a t io n a t p r e s e n t unknown.
F em a l e F r u c t if ic .a t io n su p p o rted u pon sh o rt branches, evidently destined to this sole
purpose, wliich a re situ a ted a t th e base o f th e surculi, and ai-e, consequently, c en tra l w ith
reg a rd to th e whole p lant.
Calijx (f. 6) la rg e in p roportion to th e size o f th e p la n t. I have o bsen'ed i t to be
nearly a line in le n g th , oblongo-ovate, a tte n u a te d a t th e base, o f a w h itish color,
s em i-tran sp a ren t, elegantly ma rk ed ivith oblong re ticu la tio n s, formed hy th e areolæ,
o r cellules, which a re more compact th a n is th e case in th e leaves -. th e m o u th o f
th e calyx is co n tra c ted , and frin g ed witli five o r six e re c t cilia.
Calyptra (f. 8) oA'ate, w hitish, re ticu la ted , tip p ed %vith a sh o rt style, a n d surrounded a t
th e base by a few
Barren pistilla (f. 9) o f a greyish color, obscurely ma rk ed w ith lo n g itu d in a l and tr a n s verse
lin e s, o f Avhich some o f th e fo rm e r a re o f a red color.
Peduncle ra th e r more th a n a q u a rte r o f a n in ch in le n g th , w hite , suc culent, vasculose.
Capsule (f. 10) ovate, o f a deep b rown color, evidently, u n d e r th e h ig h e r powers o f a
microscope, lo n g itudina lly and transversely furrowed.
Seeds and spiral filaments (f. 11) a rich chocolate b row n ; th e fo rm e r spherical, flie
la tte r fo n n ed o f a double helix.
J . connivens, th o u g h i t docs n o t appe a r to be a -very local species, was en tire ly unnoticed,
till Mr. Dickson described i t in liis A'aluable public a tion on B ritish Cryptogamic Botan y ; nor
do I find i t has b e en m entioned by any subsequent author. From Sweden I have received
Specimens by th e k in d communications o f Dr. Swa rtz , u n d e r th e name J . limosa mss., with
th e rem a rk “ r a ra species in argillil extensa.” I ts fructification appears to he extremely rare.
1 never saw it, except upo n a specimen which I found in a boggy p a r t o f Ho lt Wood, in th e
beg in n in g o f April, and upo n othera which I have received from Mr. Lyell in tlic p re sen t
m onth o f Mav ; inde ed, a t th e m om ent th e description is going to th e press.
T h e d e e p ly e m a r g in a te le a f , Avith i t s r o u n d e d s in u s a n d a c u te c o n n iv e n t s e g m e n t s , n o t
u n a p tly c om p a r e d t o th e f o rm o f th e n ew m o o n , Avill a t a ll t im e s r e a d ily d is t in g u is h th i s
sp e c ie s f rom a ll th e r e s t o f th e g e n u s , e v e n i f th e c a ly x s h o u ld n o t b e p r e s e n t , w h ic h is
e q u a lly u n lik e t h a t o f a n y o th e r J u n g e rm a n n i a , a n d is r e n d e r e d s in g u l a r ly b e a u ti f u l b y tlie
d e lic a cy o f i t s t e x t u r e ( a p e c u lia r i ty i t lia s in c om m o n w i th e v e ry o th e r p a r t o f tl i e p la n t ) ,
a n d b v th e c ilia te d o rific e .
alth o u g h th e o rigina l specimen a t Oxford is much smaller th a n th e repre senta tion on th e
pla te , and in th a t respect approaches more nearly to my variety, ye t th e leaves a re by no
means generally tri-spinose : on th e contrary, by fa r th e g re a te r n um b e r a re m uch denta ted,
and th e only difference appears to be , th a t th ey have th e ir te e th ra th e r smaller a n d more
nume rous th a n is th e case w ith th e common s ta te o f th e plant.
T h e p re s e n t species may be considered as one o f th e la rg e s t and handsomest th a t th e
gen u s can boa st, Avhether E u ro p e a n o r exotic. I ts affinity w ith J , asplenioides lias been
already noticed.
R E F E R E N C E S T O T H E P L A T E .
Small specimens o f J . spinulosa, natural size.
A larger appearance o f the p la n t w ith calyces, natural size.
E x tremity o f the same, m a g n ifie d ...................................................................................... 6
Portion o f the stem and leaves ........................................................................................... 4
Calyx ........................................................................................................................................... 4
Horizontal section, exhihiiing the interior o f the calyx ......................................... 3
Portion o f the calyx, shewing its texture, which is exactly ihe same in the leaves 1
Barren p istilla ............................................................. ^
Far. fi, natural size.'
Portion o f the same, m a g n ifie d .......................................................................................... 4