[ 2380 i
TRICHOSTOMUM pusilluin.
JJwarf Fringe-moss.
CRYPTOGAMIA Musci.
G e n . Char. Caps, oblong. Fringe o f 32 capillary,
straightish teeth, approximated or united in pairs.
Spec. Char. Leaves concave at the base, with a long
taper point. Capsule cylindrical, somewhat
ovate. Lid awl-diaped. Stem perfectly simple.
Syn. Trichostomum pusillunv, Hedw. Crypt. d, 1.74.
t. 28. Sm, FI. Frit. 1237.
Didymodon pusillum. Hedw» Sp< Muse. 104.
Swartz. Muse. Suec. 29.
Bryum pusillum. Dicks. Crypt, fasc . 2, 6 . With
8 1 2 , Hull. 257.
G a t h e r e d b y M r, Dickson in san d y g ro u n d . I t is ann
u a l, b e a rin g fru it in th e sp rin g , O u r specimens were commu
n ic a ted b y D r . Swartz ; M r. D ickson, th o u g h h e has lib
e ra lly su p p lied us w ith n e a rly all his ra re st mosses, not
h a v in g been able to fu rn ish t h i s ; b u t there is no d o u b t about
th e species o r its synonyms,
T h e ro o t is small an d fibrous. Stem so lita ry , short and
p e rfe c tly simple, leafy. Leaves lig h t green, im b ric a ted every
w a y , sometimes le a n in g to one side, c a p illa ry , a cu te , entire,
w ith a d ila te d co n cav e sh e a th in g base a n d a single midrib
. F ru its ta lk te rm in a l, e rec t, slender, sc a rc e ly an inch
h ig h , taw n y or rose-coloured, sh in in g . C ap su le erect, smooth
a n d even, lig h t b rown , c y lin d ric a l in c lin in g to o v a te , rather
sh o rt L id ta p e rin g , ob liq u e , red a t th e base, ab o u t half as
lo n g as th e c ap su le . F rin g e o f th irty -tw o u p r ig h t red teeth,
in p a irs.