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I . LEERSIA ALPINA (SfflZZA) ¿ ¿ » ¿ i .
Autoicous ; dichotomously branched. L e a v e s e recto-paten t, subsquarrose,
o v ato -lanceo la te , acuminate, nerve excur rent in a long point.
Caps, gymnostomous; beak o f ca lyp tra glabrous. (T. X L I I , A.)
S y n .— Encalypta iHtermedia F e o e l i c h MSS. in herb. Wulfen.
Encalypta alpina S m i t h Eng. Bot. t. 1419 (1805). W a h l e n . Fl. lapp. 312 (1812), Fl.
carpat. 335 (1814), Fl. suec. 2 ed. ii, 790 (1833) excl. syn. L i n d b . in Act. soc. sc.
fenn. x, 269 {1872).
Encalypta affinis (non H e d w .) S c h w a e g . Suppl. I, P. I, 58, t. 16 (1811). R o e h l .
Deutsch. fl. iii, 53 (1813). F u n c k Moost. 12, t. 7 (1821). B r id . Bry. univ. i, 143
(1826).
Encalypta ciliata fi. alpina HooK. T a y l . Musc. brit. 35 (1818). H o o k . Fl. scot. 128
(1821).
Encalypta ciliata fi. pilifera H o o k . T a y l . M u s c . b r . 2 e d . 6 3 ( 1 8 2 7 ) . B r . f l o r a i i , 18
(1833)-
Encalypta coniimitata N e e s H o r n s c h . Bry. germ, ii, P. I, 46, t. 15, f. 4 (1827). H u e b e n .
Musc. germ. 100 (1833). B r . S c h im p . Bry. eur. fasc. 4, p. 8, t. i (1839). R a b e n h .
Deutsch. kr. fl. ii, S. 3, 170 (1848). C. M u e l l . Synops. i, 513 (1849). W i l s . Bry. brit.
141, t. 44 (1849). S c h im p . Synops. 285 (i860), 2 ed. 340. B e r k . Handb. br. m. 246
(1863). D e N o t . Epil. bri. ital. 325 (1S69). M i l d e Bry. siles. 181 (1869). H o b k .
Syn. br. m. 74 (1873). J u r a t z . Laubm. oesterr.-ung. 213 (1882). L e s q . J a m e s Mosses
N. Amer. 180 (1884).
Encalypta lacera D e N o t . Syllab. 2 6 8 ( 1 8 3 8 ) . C. M u e l l . Synops. i , 5 1 4 ( 1 8 4 9 ) .
E. cancasica R u p r . in Bull. soc. imp. de nat. Mosc. 1846, p. 521. C. M u e l l . Synops. i,
522.
Lecrsia alpina L i n d b . M u s c . s c a n d . 2 0 ( 18 7 9 ) .
Au to icou s ; in dull yellow-green tufts, i in. high, dicho tomously
branched, radiculose. L ow e r lea ves ov a to -lan c ., upper from an erect
sheathing base, e recto-paten t and subsquarrose, elonga ted, acuminate,
cu spid ate w ith the excur rent nerve, subundulate above the base, flat at
margin; cells at base la x rufous, the marginal narrow and linear, forming a
ye llow ish limb, above small, opake, but little inc ra ssa te , papillose.
Pe rich. b ra c ts shorter, ovate ; seta longish, tw is ted to the right above,
purple, v agin u la th ick , o vo id ; ca l. rea ching below capsu le , glossy, fu sce
scent, with a smooth spadiceous point, irregularly torn a t the paler
b a s e ; caps, ovato-cylindraceous, stra ight or curving, fuscous, smooth,
glossy, fa in tly striolate, stomata a t base numerous, annulus narrow, the
narrow mouth girt by a thin horizontal membrane, peristome none, lid
conic, lon gly rostrate. Male infl. gemmiform, terminal on short la teral
branches, b ra c ts ovato-lanc. ap icu late , nerved.
H ab.— Crevices of mountain rocks ; rare. Fr. 7— 8.
Ben Lawers (HooA«'and Grevillc)\\ Craigailleach (IF«son) ! Ingleborough {Hooker).
B e n L e d i {Holmes 18 8 0 ) !
Var. fi. imberbis Lindh.
Plants tall, densely tufted ; leaves with the apex subcucullate from the
incurved margins, and the nerve vanishing at the rather obtuse point.
(T. X L I I , B, S.)
PIa b .— Ben Laoigh, Perthshire {Holt, July, I I
This species is best distinguished by the smaller dense cells in the upper
part of the leaf, which is also more acuminate than in any of our other
species.
2. LEERSIA EXSTINCTORIA (L.) Leyss.
Autoicous ; short, radiculose. L e a v e s oblong-lanc., obtuse or
apiculate with the excurren. nerve. Cap s, cy lin d ric , smooth ; ca lyp tra
pale, entire a t base, scabrous a t apex ; per. none or pale and very
fugacious. (T . X L I I , B.)
S y n .— Muscus trichoides minor pileis magnis acutis M e r e . Pinax 89 (1667). R a y Synops.
2 ed. 324 (1696).
Adiantum aurcum perpusillum foliis congcstis acutis, pileolo extinctorii figura R a y Synops.
2 ed. 32, n. 24.
Bryum ercctis capitulis, calyptra laxa conica, foliis serpylli pellucidi angustioribus D i l l .
Cat. Giss. 223 (1719), in R a y Synops. 3 ed. 92 (1724).
Bryum calyptra exstinctorii figura, minus D i l l . Hist. musc. 349, t. 45, f. 8 (1741) et
Herbar.
Bryum exstinctorhim L. Sp. pl. 1116 (1753); Syst. nat. ii, 701. H u d s . Fl. angl. 405
(1762). W e i s s Cr. goett. 185 (1770). N e c k . Meth. musc. 207 (1771). W i t h . Bot.
arr. br. veg. ii, 672 (1776). L i g h t f . Fl. scot, ii, 718 (1777). W e b . Spic. fl. goett. 98
(1778). R e l h . Fl. cant. 402 (1785). S m . Eng. bot. t. 558. Fl. dan. t. root. A b b o t
Fl. bedf. 239 (1798). H u l l Br. fl. P. 2, 258 (1799).
Leersia vulgaris H e d w . Fund. I I , 88 (1782), Musc. frond, i, 46, t. 18 (1787). R o t h
Fl. germ, i, 455 (1788). T im m Fl. meg. n. 730 (1788). S c h r a n k Baiers fl. 11, 443
(1789). B e i d . M u s c . rec. II, P. I , 51 (1798).
Leersia exstinctoria L e y s s e r Fl. hal. n. 1053 (1783). B r o c k m . Beitr. kr. fl. Mekl. 23
(1863).
Mnium exstinctorhim S w a r t z Meth. musc. 365 (1787).
Encalypta exstinctoria S w a r t z Musc. suec. 24 (1799). H a r t m . Skand fl. W a h l e n b .
Fl. upsal. 385 (1820). B r o c k m . Laubm. Mekl. go {1869).
Encalypta vulgaris H e d w . Sp. musc. t. 60 (1801). S m . FI. brit. iii, 1180 (1804). T u r n .
musc. hib. 17 (1804). R o e h l . Moosg. deutsch. 89 (1800), Deutsch. fl. iii, 52 (1813),
Ann. Wett. ges. iii, 115. P. B e a u v . Prodr. 56 (1805). S c h u l t z Fl. starg. 281 (1806).
W e b . M o h r Bot. Tasch. 106(1807). B r i d . Sp. musc. I, 88 (1806), Mant. 28 (1S19).
Bry. univ. 1, 139 (1826). S c h w a e g . Suppl. I, P. I, 56 ¡1811). V o i t Musc. herb. 20
(1812). W a h l e n . Fl. lapp. 311 (1812), Fl. carp. 335 (1814). M a r t . Fl. cr. erl. 115
(1817). H o o k . T a y l . M u s c . br. 35, t. 13 (1818). G r a y Nat. arr. br.pl. 1, 725 (1821).
H o o k . Fl. scot. P. 2, 128 (1821), Br. fl. 11, 18 (1833). F u n c k Moost. 11, t. 7 (1821).
N e e s H o r n s c h . Bry germ, ii, P. I, 32, t, 14, f. i (1827). H u e b e n . Musc. germ. 98
(1833). M a c k . Fl. hib. P. 2, 13 (1836). B r . S c h im p . Bry. eur. fasc. 4, p. g, t. 2 (1839).
D e N o t . Syll. 269 (1838), Epil. bri. ital. 324 (1869). R a b e n h . Deutsch. kr. fl. ii, S. 3,
169 (1848). C. M u e l l . Synops. i, 516 (1849). W i l s . Bry. br. 142, t. 13 (1855).
S c h im p . Synops. 286 (i860), 2 ed. 341. B e r k . Handb. br. m. 246, t. 22, f i (1863).
M i l d e Bry. siles 181 (i86g). H o b k . Syn. br. m. 75 (1873). H u s n . Mouss. nord-ouest
I I I (1873). J u r a t z . Laubm. oesterr.-ung. 214 (1882). L e s q . J a m e s Mosses N. Amer.
j 8 i (1884).
Encalypta Orsinii D e N o t . Syllab. 267 (1838).
Encalypta leptodon Var. exstinctoria Lindb. in Act. soc. sc. fenn. X, 268 (1872).
A u to ico u s ; densely tufted, radiculose a t base, dark green, with
short th ick branches. L e a v e s e recto-patent, when dry incurved and
subcomplicate, lingula te, ap icu late or obtuse, subundulate, nerve strong,
reddish, vanishing a t or below apex or excurrent ; cells at mid-base
more la xly rectangular, very thin, at margin narrow and yellowish.