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JU N G E R M A N N IA O R CA D EN S IS .
(TA B. L X X I .)
J u n g e rm a n n ia , caule erecto, simplici : foliis a rctè imbricatis, erectis vel pa tentibus, cordatoovatis,
apice em a rg in a tis, marginibus recurvis.
H a e . Upon the Wart hill, th e h ighe st mounta in of Hoy, in the Orkneys; found ne a r its
summit, in 1808.—Ambleside, in Cumberland; and a t Catlaw, Kinnordy, Scotland.
Mr. Lyell.—S ummit o f Brandon. D r . Taylor.
P l a n t e ithe r growing in loosely-matted patches o f a few inches in diameter, o r, more frequently,
scattered among mosses and othe r Junge rmanniæ.
Roots consisting o f dense, b ut short, simple, semipellucid fibres, which clothe the under
surface of the plant.
Stems from one to two inches in len g th , e re c t, filiform, flexuose, simple, or only producing
one or two innovations, and those generally towards the extremity o f the plant.
Leaves closely placed and subimbricated, scarcely half a line long, o f a widely ovate figure,
approaching to cordate, pa ten t, o r e re c t and secund, a t the base semiamplexicaul and
de cu rren t; a t the extremity, furnished with a ra th e r deep and obtuse notch. The margins
on each side of th e leaf a re recurved ( f .7 ) throughout the whole plant. T h e texture is
compactly c e llula r; th e cellules roundish. T h e color a brownish green.
N o Fru ctification, e ithe r Male or F em.ale, has yet been discovered; b u t
Gemma are found by Mr. Lyell on his Kinnordy specimens, situated on th e points o f th e
terminal leaves. They a re collected into compact balls o r spherules, and each granule, of
whicli they are composed, is pellucid, o f a yellowish gre en color, remarkably angular
( f .f . 7. 8).