distantly-placed, spiniform te e th , th e la rge st genei-ally forming th e apex o f th e le a f;
the se te e th give th e whole p lan t a most b e autiful appearance, and ai’e o f such a size as
to h e conspicuous, even to th e naked eye, when th e p lan t is held ag-ainst th e lig h t:
tlia t p a r t wliich is in reality a lesser division o f th e leaf, o r lobule, or, as i t is called
by Liniiicus and in th e specific cha ra c te r, auricle (f. 5 .), is I'ciy m in u te , scai'cely me a su
rin g th e tw en tie th p a r t o f a line in len g th , appe a ring a n ovate, inflated appendage,
fi-equently having a spiniform deflected to o th ; i t is a tta ch ed n e a r th e base o f th e lower
m a rg in o f th e leaf, o r, more c o n e c tly speaking, th e lobe, to th e u n d e r surface o f which
i t is closely appressed. T h e reticulation o f th e whole is small and ojiaque, w ith areol®
o r cellules o f a veiy irreg u la r figure, b u t approa ching to quadrate. T h e color is a
very da rk g re e n w ith a n olive t i n t : when held ag a in s t th e lig h t th e auricles appeal' of
a deeper h ue in consequence o f th e ir figure : th is form, indeed, is n o t th e same
tliro u g h o u t th e whole p l a n t ; as may be seen in th e te rm in a l leaves (f. 6.), which do
n o t appear to have arrived a t th e ir full s iz e ; they differ widely from th e re s t in
b e in g divided in to two lanceolate s e gm e n ts ; tlie smaller one o f which is th e expanded
auricle, aud scai'cely a fo u rth less th an th e la rg e r division; bo th a re spinuloso-dentate.
E x a c tly similar to the se a re th e
P c rich a tia l leaves (f. f. 7 . 1 1.), o f which th e re a re two, em bra c ing w ith th e ir segments
th e lower p a r t o f th e calyx.
S tipule s ovate, appixtacliing to orbicula r, divided neai'ly ha lf way down from th e extremity,
b y a n a cu te sinus, in to two, equal, slightly-denticula ted, shai'p segments. T h e re is one
stipule to each pa ir o f leaves, which in color and texture th ey exactly resemble,
M ale F r u c t if ic a t io n , a t p r e s e n t u n k n o w n .
F em a l e F r u c t if ic a t io n , as fa r as I have liithe rto had th e o p p o rtu n ity o f rem a rk in g , always
a ris in g from th e axillce o f th e branches (f. 2.).
Calyx, (f. f. 8. 9. 1 1.) ra th e r more th a n h a lf a line in le n g th , obcordate, compressed and
p lane o n its up p e r surface, its u n d e r side p rom in en t w ith a lo n g itu d in a l ridge , so th a t
a transve rse section would p re s en t th e figure o f a tr i a n g l e : th e m o u th small, contra
c ted , a little ele^-ated an d entii'e.
Calyptra, between oblong and ovate, tip p ed w ith a sh o rt s ty l e ; its te x tu re ra th e r th ick
and suc culent, e v e ryw h e re re tic u la te d ; o f a very pale, yellowish-brown color. A few
flZiortiue p istilla surro u n d th e b ase, which a re m in u te , lin e a r, o r a little swelling in th e
c en tre , o f a gi'eyish color,
Peduncle, th re e -q u a rte rs o f a line lo n g , w hite , suc culent, longitudinally and transversely
s tria ted , dilated a t its u p p e r extrem ity, where i t rmitc s with th e reddish-brown spherical
Capsule, which i.s externally deeply p u n c tu r e d ; i t splits in to fo u r equal ovate valves, which
soon become revolute, and in th a t s ta te continue to re ta in th e
S p ira l filaments (f. f. 12. 13.) a t th e ir extremitie s : each o f the se is comjiosed o f a single
helix, o f a deep, ric h brown o r fulvous color, enclosed in a n extremely delicate tr a n s p
a r e n t tu b e . T h e seeds (f. f, 14. 15.) are o f th e same color as th e filaments, exactly
spherical, an d , u n d e r a highly magnifying power o f th e microscope, a re seen to be
covered w ith opaque dots, ^vhich arc probably m in u te tubercles.
O .s I am happy in b e in g able to devote th e first plate o f a History o f the B rU \,h Jutigermamia:
to a perfectly nctv an d distin c t species, an d s till more so in th e op p o rtu n ity i t affords me o f
dedicating th a t species, one o f th e most be autiful w ith which I am a cquainted, to its discoverer,
Miss Hu tch in s, o t Ballylickey, ne a r B a n try ; a lady whose valuable communications on th e su b je
c t o f m a rine Botany a rc already before th e public in th e H h to r ia Fueorum, as well as in tlie
B r itish Covfirvæ, and whose zeal and knowledge in th e p re sen t genus o f p lants I shall
frequently have occasion to notic e in th e progress o f th is little work. T o h e r, th ro u g h th e
kindness o f my friend, Mr. T u rn e r, I am indebted tor m any o f th e most la re an d in te re s tin g
species Avhicli will here be described.
J Hutchinsice was originally found, two years since, g rowing on a spot o f gro u n d winch
also produced X trichophylla and Sax ijraga Geam. I t belongs to a small b u t very n a tu ra l
family (including X d ilatata and tamariscifoliaj, differing from th e re s t o t th e Jungormannta,
stipulât«: in h aving a lobulus, o r w h a t, in compliance with th e L innæ an terminology, 1 am
induced to call auricle, which, in by ta r th e g re a te r n um be r o f th e leaves, is rolled u p in to a
small vesiculated appendage, and in h aving each o f th e spiral filaments composed o f a single
/lefil a tta ch ed by its base to th e e.xtremity o t th e segments o t th e capsule, and enveloped in
a n e stremely th in pellucid tu b e . From th e two Ju n g e rm an n iæ la s t mentioned, th e present
species abundantly differs in a v a rie ty o t respects, and may a t all tim e s readily be distinguished
by its da rk-gre en color, and still more certainly by th e strongly denticulated m a rg in s o t tire
leaves.
R E F E R E N C E S T O T H E P L A T E .
Fertile p la n t o f X H V T C H IN S IÆ , natural size.
Portion o f the same, magnified........................................................................................... ®
Portion o f the Stem and Leaves, seen from the under surface ........................... 4
S tipule ....................................................................................................................................... ^
Lobule ....................................................................................................................................... ®
Terminal L e a f .......................................................................................................................
Perichætial L e a f .................................................................................................................... ^
Calyx (upper surface) .......................................................................................................... ^
Interior o f the Calyx, ivith ihe Gerinen .................................................................. ^
Calyptra, with the barren P istilla and the lower p a r t o f the Peduncle ------ 3
Calyx, with the two Perichætial Leaves, Peduncle, and Capsule; the latter ^ ^
in the act o f bursting and discharging its seeds .....................................
Upper p a r t o f the Peduncle and Capsule ; the valves expanded and retain- | ^
ing the spiral filaments ...........................................................................................
S p ira l filaments enclosed in their t u b e ............................................................................ ^
S e e d s ............................................................................................................................................ ^
The same ................................................................................................................................ ^