Fruits in Spring.
D im e n s io n s .— Stems i to 1 inoli long, 7 5 mm. to T mm.
broad, '2 mm. thick at the middle; calyptra 2'5 mm. long x 75
mm. thick; spores '02 mm.; elaters '2 mm. long x '01 mm.
thick ; andrcecia 75 nnn. long x '2 mm. broad.
H ab.—D amp woods, wet bogs, sides of ditches, or on san d stone
rooks.
1. Cornwall, W. Cmoio. 2. Hampshire. 3, 4, 5. Synnerton,
B. Garner ; Synnerton Old Park ; Sherbrook Valley, Staffordshire,
./ F. Bagnall 6-8, 9. Stream near Stonyhurst and near Loud
l!ower Bridge, Lano., JFheldon. 10. Bracken Ghyll. Dent.
G. Stabler. 11, 12. Mardale; near Ulverston, Westmorland,
G Stabler. 13. Bennan Hill, New Galloway, J. MoAndreto ;
Oolvend; Whitcomb, Br. JF. Nichol. 14, 15, 16. Moidart, West
Inverness, S. M. Macvicar.
I. “ Common in Ireland,” Dr. D. Moore. Hill of Howth.
D. Mo Ardle; Killakeen, Co. Cavan, D. McArdle; Killarney,
McArdle & Lett.
Found on the Continent and in North America.
Obs. ^The only species likely to be confounded with it is
Aneura latifrons Lindb., whicli see.
The stations given are those recorded by several authorities
and collectors, but they probably include Aneura latifrons^ and
Aneura ambrosioides (Aneura multifida, var. ambrodoides), which I
consider a distinct species.
D esciuption of P late CC.—Figs. 1-3. Plants natural size.
4. (Ditto) X 11 (C. and P. n. 62). 5-7. Cross-sections of
stem X 24 (ditto). 8. Fertile branch x IQ a $ b calyptra,
c immature ? (ditto).
453
3. Aneura ambrosioides (Nees).
A nm ra multifida, var. amh-osioides, Kees, N a t. E u r. Leb. I l l , p. 450 (1838),
G. L. N. Syn. Hep. p, -iO? (1844).
Riccardia multifida, v a r. ambrosioides (Nees), Lindb. Acta Soc. Sci. Fenn. 10,
511 (1875).
Monoicous, loosely cæspitose or creeping amongst mosses,
small, dark green, turning dark brown, when young light green
in colour. Stems prostrate, narrow, subpinnate ; pinnæ ascending,
irregular in length, sometimes attenuate; cross-section
bi-c’onvex or plano-convex ; margin minutely crenulate, composed
of a single row of cells; texture rigid; exterior cells small,
quadrate, much smaller than the inner, 40 to 60 round, walls
dark firm ; inner cells medium to rather large in size, 4-6-sided ;
4 to 6 cells thick near the middle. Female flowers lateral on the
main stem ; braots small, laciniate. Calyptra relatively very
large, cylindrical, smooth. Androecia lateral, long, linear, in
which are imbedded about 6 roundish-oval antheridia.
I have never met with perfect fruit.
D im e n s io n s .— Fronds 1 inch long x 5* to 10’ mm. broad,
stem 75 mm. broad x '2 mm. thick ; cells interior -03 mm.
X -05 mm., exterior '02 mm. ; male catkin 1 mm. long x '4 mm.
broad. „
H ab. Amongst wet mosses or on shaded wet rooks, somewhat
rare.
1 Mousehole Cave, Penzance, Cornwall, Mitten fl Curnow.
7 Tyn-y-Groes, Merionethshire, JF. H. P .; Ogwen Valley,
Dr.Carrington fl JF. H. P. 9. Hayfield, Derbyshire, G. A. Holt.
12. Grisedale, Barnes ^ Stabler ; Broad Gate Bog, Ings,
Westmorland, G. Stabler. 16. Common on wet rocky banks,
especially in ravines, Moidart, West Inverness, S. M. Macvicar.
I. Ventry; Connor’s H ill; O’Sullivan’s Cascade, &c., Dr.
Carrington and others.
Found on the Continent.
Obs.—This has always been considered by previous writers as
a variety of / . multifida, but its usually dark brown colour, rigid