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H Y P N U M illecebrum.
Glass-wort Feather-moss.
CRYPTOGAMIA Musci.
Gen. Char. Caps, ovate-oblong, from a lateral scaly
sheath. Outer fringe of 16 teeth, dilated at the base :
inner a variously toothed membrane. Veil smooth.
Spec. Char. Stem irregularly branched. Branches
obtuse. Leaves elliptical, inflated, obtuse with a
small point, and a single obsolete nerve.
Syn. Hypnum illecebrum. Hedw. Sp. Muse. 252.
t. 66. f . 1, 2? Sm. FI. Brit. 1314. Huds. 504.
With. 862. Hull. 273. Siblh. 300. Schreb. Lips.
95. Winch, v. 1. 110.
H. cupressiforme rotundius, vel Illecebras semulum.
Dill. Muse. 311. t. 40. f . 46.
H. terrestre erectum, ramulis teretibus, foliis subro-
tundis albo-virentibus cinctis. Rail Syn. 81, under
n. 7. m
F e W p la n ts h av e b e en m o re co n fu sed th a n th is Hypnum,
w h ic h is so ve ry n e a r purum, t. 1 5 99, th a t m a n y p e rsons have
th o u g h t it o n ly a v a rie ty . I t differs chiefly in its m o re tu rg id
a sp e c t, b lu n te r b ra n c h e s , an d bro ad e r m o re concave leaves.
N o fru c tific a tio n h a s ever b e en fo u n d u p o n it by an y B ritish
b o ta n is t. I t g row s e ith e r in d ry b a rre n p a stu re s , w h e n th e
p la n t is sh o rt an d u p rig h t, as g a th e red by th e late R ev . M r .
B ry a n t a t H e y d o n , N o r f o lk ; o r in d am p m ore sh ad y pla c e s,
w h e n , as in o u r sp e c im en s from M r . L y e ll, th e stem s are
m o re e lo n g a ted an d p ro c um b e n t, and th e c o lo u r tin g e d w ith
b row n .
D ille n iu s ’s fig. C , copied from V a illa n t, B o t. P a r. t. 2 5 ,
sh ow s th e c ap su le s, w h ic h are o v a te , sh o rt an d c u rv e d ; b u t
we su sp e c t th e P e n sy lv a n ia n m o ss, considered by h im as a g re e in
g ex a c tly w ith th is figure, m ay b e d ifferen t.
L in n a e u s 's H. illecebrum is Mnium arrhenopterum, Sm . T r .
o f L . S o e . v . 7. 262. H e dw ig ’s is o f P e n sy lv a n ia n o rig in .
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