t i ì
111 ,j
II!
1: Ì ’
ii
' ¿ 1 Ì
*•
' :ì »«
n
Pleuridium nitidum R a b e n h . Deuts. Kr. Fl. ii, P. 3, 79 {1S48). Br. S c h , Br. eur, fasc. 43
Suppl. t. I (1850}; Synops. 23 (i860), et 2 ed. 24 (1876). B e r k . Handb. Br. m. 298
(1863). M ild e Bry. siles. 132 (1869). De N o t . Epil. Bri. ital. 731 (1869).
Plcurld'mm axillare L in d b . in Ofver. Vet. Akad. forh. x x , 407 (1863), et x x i, 584. F a l k
Beskrifn. ofver Skand. musc. deist. 20.
Paroicous ; plants v e ry small, slender, simple or branched, pale
glossy green. L e a v e s and perich. bra cts alike, erecto-patent, lan ceo la
te or lineal-lanc. acute, serrulate a t apex, channelled, c a n n a te ; cells
large, lax, pellucid, linear -rectangular ; nerve slender, vanishing at f
length o f leaf. Capsule on a short pedicel, small, ellip tic-ov ate, shortly
ros tellate, pale brown, often pseudo-lateral with the se ta arcuate.
C a lyp tra covering only top o f capsule. Spores ferruginous.
H ab.— W et clay fields and banks and by dried up pools, not uncommon.
Fr. 10— 2.
Var. ¡3. strictum {Dich.)
Plants smaller, very short, lurid green ; leaves and bracts closer,
narrower, straight ; capsule nearly spherical.
Syn.— Phascnm strictum D i c k s . Cr. fasc. IV, i, t. lo, f. r (iSoi). Sm. Fl. Brit, iii, 1151 ; Eng.
Bot. t. 2093. B r id . Sp. musc. I, 5 ; Mant. 7 ; Bry. univ. i, 34. S c h w a e g r . Suppl. I, P.
I, I I . L a P y l . in Journ. Bot. 18 13 , p. 2 8 1 .
Pienrid. nitidum (3. minimum R a b e n h . Deutsch. Kr. Fl. ii, P. 3, 79.
Phase. ■nitiduniYa.T (3. strictum W i l s . Bry. Br. 35.
Hab.— Scotland [Dickson.)
Repeated innovation takes place on the same stem and thus several
capsules appear above each other, and being thrust aside by the new growth
acquire a lateral or axillar appearance.
2. PLETJRIDIUM: s u b u la tu m : [Huds.) Rabenh.
Pa ro icou s ; stems short, simple. Perichætial b ra c ts lanceolate-
subulate, minutely serrulate, nerve broad, continuous. Capsule
roundish-ovate. (T. X IV , C.)
S y n .— Mnscns trichoides minor acaulos, capillaceis foliis, D o o d y . R a y Synops. 2 ed. app. 324
{1696) ; Hist. PI. iii, 39 (1704).
Sphagnum acaulon trichoides D i l l . Cat. Giss. 22g (17 19 ) ; in R a y Synops. 3 e d . 105 (1724) ;
Hist. musc. 251, T . 32, f. 10 (1741), et Herb.
Phascnm subulatum H u d s . Fl. angl. 397 (1762). L. Sp. pi. 2 ed. ii, 1570 (1763). O e d e r
Fl. Dan. t. 249 (1766). W i t h . Bot. arr. Br. veg. ii, 660 {1776). C u r t . Fl. Lond. t. 67
{1778). R e l h . P'l. Cant. Suppl. i 5 (1786). S i b t h . Fl. Oxon. 272 (1794). A b b o t Fl.
bedf. 229 (1798). H u l l Br. Fl. P. 2, 251 (1799). Sm. FI. Brit, iii, 1149 (1804) ; Eng,
Bot. t . 2177. T u r n . M u s c . hib. i (1804). W e b . M o h r Bot. Tasch. 64 (1807).
S c h w a e g r . Suppl. I, P. I , 2 (1811). H o o k . T a y l . M u s c . Brit. p.p. 6, t. 5 (1818) G r a y
Nat. arr. Br. pi. i, 711 (1821). H o o k . Fl. Scot. P. 2, 121 (1821); Br. FI. ii, 3 (1833).
Hartm. Skand. FL N e e s H o r n s c h . Bry. germ, i, 63, p.p. t. 6, f. 16 (1823). B r u c h in
Reg. bot. Zeit. 1825, P. I , 27g, excl. syn. T . i . H u e b e n . M u s c . germ. 6, excl. syn. (1833).
B r . S c h im p . in Mem, soc. mus. Strasb. ii, 3, t . A . excl. syn. (1835) ; Bry. eur. i, Mon.
15, t. 7 (1837). M a c k a y Fl. hib. P. 2, 7 (1836). D e N o t . Syll. musc. n. 403 (1838).
F i o r . M a z . Bry. rom, 2 ed. i (1841). W i l s . Bry. Brit. 35, T, 5 d, excl. syn. (1855).
H u s n . M o u s s . nord-ouest 36 {1873). H o b k . Syn. Br. m. 30 {1873).
Astomum subzdatum H a m p e in Reg. bot. zeit. 1837, P. i , p. 285. C. M u e l l . Synops. i,
14 excl. syn. (184g).
Pleuridium subulatum R a b e n h . Deutsch. Kr. Fl. ii, P. 3, 79 excl. syn. {1848). B r . S c h .
Bry. eur. fasc. 43 Suppl. t. 1 excl. syn. (1850) ; Synops. 24 (i860), et 2 ed. 23 {1876).
B e r k . Handb. Br. m. 298 (1863). M i l d e Bry. siles. 132 (1869). D e N o t . Epil. Briol.
ital. 731 (1869).
Pleuridium acuminatum L in d b . in Ofv. vet. ak. forh. 1863, p. 406, et 1864, p. 585. F a l k
Beskrif. ofver Skand. muse, deist. 21.
Phascnm acuminatum L in d b . in H a r tm . Sk. Fl. g ed. ii, 78 (1864).
Paroicous ; pale green ; stems simple, caespitant. Le a v e s small,
o v ato-lanceola te ; perich. b ra c ts sometimes subsecund, lanceolate at
base, gradually subulate, rather glossy, channelled, minutely serrulate ;
nerve broad-and flat, continuous, scabrous a t b a ck of apex ; cells at base
rectangular, empty, upper much narrower, linear. Capsule brownish
yellow, spherical or oval, rather tru n cate at base, with a short straight
apiculus. Ca lyp tra covering J o f capsule. Spores ferruginous. Antheridia
naked in the axils o f the perich. bra cts .
H ae.— Sandy banks, heaths and sides of paths. Common. Fr. 3— 4.
3. p l e u r id iu m a l t e r n if o l iu m (Kaulf.) Rabenh.
Autoicous ; simple or w ith longish flagella . Pe rich. b ra c ts from an
oval base, abruptly narrowed into a v ery long subula, nerve broad and
th ick. Capsule oval, apiculate. (T . X IV , D.)
S y n .— Phascnm subulatum S c h r e b , de Phasco obs. 8 (1770) ; Spic. Fl. Lips. 71 (1771). H e d w .
Stirp. cr. i, 93 t. 35 {1787) ; Sp. musc. ig. R o e h l . Moosg. Deutsch. i, 26 (1800). R o th
Fl. germ.iii, P. i, log (i8oo). PIo p p e iu S t u r m Deutsch. Fl. ii, heft 6 (1803). S c h k u h r
Deutsch. Kr. Gew. P. II, 4, t. i (1810). B r id e l p.p. L in d b . in H a r tm . Sk. FL 9 ed.
ii, 78 (1864).
Phascnm alternifolium K a u l f . in S t u r m op. cit. heft 15 (18 15 ). B r u ch in Reg. bot. zeit.
182 5, P . I , 2 7 ? , t . I . H u e b e n . Bry. germ. 4 (1833). B r. S c h . in Mem. soc. mus.
Strasb. ii, i, t.“A (1S35) ; Bry. eur. i, 1 5 , t. 7 (18 3 7 ). D e N o t . Syll. musc. n. 402 (1838).
W i l s . Bry. Brit. 3 5, t. 37 (1855). H u s n . Mouss. nord-ouest 36 (1873). H o b k . Syn.
Br. m. 30 (1873).
Astomum altcrnifolhim H am p e in Reg. bot. zeit. 1837, p. 285. C. M u e l l . Synops. i,
14 (1849).
Pleziridium alternif. R a b e n h . Deutsch. Kr. FL ii, P. 3, 79 (1848). B r . S c h . Br. eur. fasc.
43, Seppi, t. 2 (1850). S c h im p . Synops. 24 (i860), et 2 ed. 26 (1876). B e r k . Handb.
Br. m. 299 {1863). M i l d e Bry. siles. 133 (1869). D e N o t . Epil. Briol. ital. 730 (1869).
B r id . Mant. musc. et Bry. univ. p.p.
Pleuridium suhzdatum L in d b . in Ofvers. Vet. ak. forh. 1863, p. 408, et 1864, p. 586. F a l k
Beskrif. ofver Skand. musc. cL 22.
Autoicous ; pale yellowish or dull green, 3— i in. high. Stems
simple, or with longish small-leaved flagella on the older plants.
Le a v e s ovato-lanceolate, with the nerve vanishing ; perich. b racts from
an oval or ellip tic base, s ca rce ly glossy, abrup tly a ttenuated into a very
long subula, channelled, densely serrulate on th e margin and back,
and mostly formed o f the broad th ick nerve which is faint at base ;
basal cells rectangular, chlorophyllose, upper much smaller, subquadrate.
Capsule immersed, pale brown, spheric-oval, rather lon gly and obliquely
apiculate, with a distinct neck. Ca lyp tra broad, covering h a lf capsule.