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T o r t u l a c e .e .] 218 [Tortula.
S y n .— Barbuta niiiralis fS. rupcttris S c h u l t z R e c e n s . 2 2 1, t. 34, f. 29 B . B r id . B r y . u n iv . i,
5 48. SCHIMP. 1. C.
Tortala muralis S . rupestris W i l s . I. c .
H ab.— Wet, shady rocks and rotten trees, most frequent in limestone
districts.
Var. y. aestiva (Brid.).
Plants short in large flat tufts ; leaves longer, narrower, lineal, nerve
ending in a mucro or very short hair ; caps, shorter on a shorter seta.
Syn.— Mollia tegularis S c h r a n k Baiers. fl, ii, 457.
Tortilla muralis fl. auliva B r id . M u s c . rec. II, P. I, 137. H o o k . T a y l . M u s c . br. 30.
Tortula cestiva P. B e a u v . Prodr. 91.
Barbula cuneifolia W e b . M o h r B o t . T a s c h , 207. T u r n . M u s c . h ib . p.p.
Barbnla «stiva S c h u l t z R e c e n s . 223, t , 34, f. 32. B e i d , B r y . u n iv . i, 548.
H ab.— On sandstone and calcareous rocks ; rare.
Henfield, Sussex (Borrer) ! Ashley Mill, Cheshire (Dr. Wood).
One of our commonest mosses and also a most variable one in size of
leaf, seta and capsule ; the obtuse leaves with strongly recurved margins and
smooth white hair points are the most distinctive characters of the species.
The hair points are longest when the plants grow in dry exposed localities,
but this condition is hardly sufiicient to constitute a distinct variety.
13. TOETULA MUCEONATA (Brid.) Linib.
Dio icous ; ta ll, branched, deep green. L e a v e s elongato-lingula te,
papillose on both sides, mucronate w ith the stout nerve, suddenly
incrassa te at margin. Caps, cy lin d ra ceou s, lid with an oblique b eak;
te e th on a narrow basal membrane, c la thra te at base. (T . X X X I I , A.)
S y n .— Barhula mucronata B r id . S p . m u s c . I, 26S (1S06).
Rlmcomitrum fiavipes B r id , Mant. 81 ( 18 19 ), B r y . univ. i, 224 (18 2 6 ) .
D e sm a t o d o n d i c h o t o m u s B r id . Bry. u n iv . i, 823.
T r i c h o s tom um , f i a v i p e s S t e u d , N om e n c i . 4 2 1 (1824 ). D e N o t . S y l l. 183 (1838).
B Erebissoni B e id . B r y . u n iv . i, 834 ( 18 2 7 ) . S c h im p . B r y . e u r . S u p p l. fa s c , 3 — 4 ( 18 6 6 ),
S y n o p s . 2 e d . 222 (18 76 ). M i l d e B r y . s ile s . 122 (1869). H u s n . M ouss . n o rd -o u e s t. 80
{18 73 ).
Didymodon Cinclidotus D e N o t . in M em . a c a d , T o r in . x l , 325 (18 38).
Tortula Brebissoni F io e . -M a z z . B r y . rom. 2 e d . g ( 18 4 1 ). D e N o t . E p i l. bri. ita l. 547
( i 85g).
Cinclidotus riparius Var. j}. terrestris B r . S c h im p . Bry. eur. fasc. 16, p. 11, t. 2 (1842).
W i l s . Bry. brit. 138, t. 44 (1853). S c h im p . Synops. 195 (i860). B e r k . Handb. br. m. 248
(1863).
Tortala cylindrica W i l s . in Phytol. 1845, p. 282.
Cinclidotus fiavipes De N o t . MSS. i 85i.
Guembelia riparia Vax. fi. terrestris C. M u e l l . Synops. ii, 651 (1851).
Barbula romana C. M u e l l . in Bot. zeit. 1856, p. 419.
Tortula mucronata L in d b . d e Tort. 239 {18 64). H o b k . S y n . b r . m. 66 {1873).
Desmatodon Brebissoni J u r a t z . Laubm. oesterr.-ung. 136 (1882).
Dioicous ; la xly tufted, i — 2 in. high, bright green above, dull
green below, dirty fuscous at base, fa stigia te branched, with red radicles
and persistent nerves o f d ecay ed lea ves at lower part. L e a v e s crowded
and e recto-patent above, tw isted when dry, elongato-lingulate, niucro-
nate w ith the stout semi-terete nerve, concave, margin ligh tly recurved,
suddenly incrassate, exc ep t at the hyaline base, densely and minutely
papillose above ; cells at base lax, hexagono-rectang. hyaline, median
oblongo-hexag. chlorophyllose, apical minute, subpunctiform, rounded
hexag. Pe rich. b ra c ts with a thinner nerve, narrower, not recurved,
the margin s ca rc e ly incrassate ; caps, on a stout y ellow seta, le p to dermous,
erect, elongated, cylindraceous, slightly incurved, pale fuscous,
ca lyp tra large brownish, lid orange, conica l with a blunt oblique beak,
falling with the columella, annulus none; teeth on a narrow basal
membrane, cla thrato-conjoined at base, once twdsted, orange red,
fugacious.
Male plants intermixed with female, infl. terminal, gemmaceous,
outer b ra c ts ovato-lanc., inner bro adly ovato-acumina te.
H ae.— At roots of old trees by rivers, not common. Fr. 5.
Near the Mole at Beeching wood, Mickleham (Borrer) ! ! Llanffinnan, Anglesey (Wilson
1828) ! Stapleton, Bristol (Thwaites 1843) ! ! Hurstpierpoint (Mitten) ! Great Bard-
field, Essex (Borrer 1844) ! Tyffry, Anglesey (Hunt 1858) ! Eggleston bridge, Teesdale
(spruce 1845) ' Willenhall cemetery (Kirk 1863) 1 Brighton (Davies 1868) ! !
Plymouth (Holmes 1868) ! ! Banks of the Alne, Wootton (Bagnall 1873) I ! Sherborne,
and by the Monnow and Wye, Monmouth (Boswell 1877) ! 1 Menmmr and Caterthun
Forfar (Anderson). Kinnordy (Fergusson). Houghton, Northampton (Dixon) ! 1
Glanvilles Wootton, Dorset (Rev. H. Wood 1880) ! !
Although long united to Cinclidotus riparius, that moss differs from the
present by its cladocarpous fruit, its lurid blackish colour, the leaves straight
and appressed when dry, with plane margins and more slender nerve lost m
the apex, the basal cells quadrate, incrassate, the upper rounded, 4— 6 angled
and quite smooth.
Neat specimens of this moss are difficult to meet with, as its close
vicinity to streams renders it liable to receive deposits of mud, and the soft
laminae of the leaves are easily abraded.
Sect, 2. Z Y G O T R IC H IA (Brid.). Stems short; leaves spathulate,
green, pointed with the excurrent nerve. Peristome combined at lower part
into a long tube, spirally tessellated.
14. TOETULA SUBULATA (L.) Hedw.
Autoicous ; leaves spathulate-oblong, rosaceous, entire, with a
yellowish border, nerve excurrent in a mucro. Caps, v ery long,
cylind ric , slightly curved, the tube o f per. obliquely tessellated.
(T. X X X I I ., B.)
S y n .— Muscus trichoides minor, capitulis longissimis Doody. R a y . Syn. Stirp. hr. 243 (1690).
Muscus capiUaris corriiculis longissimis incurvis R a y Syn. 2 ed. 2g (1696).
I I