' 
MUSCI. (MOSSES.) (59) 659 
squarrose, somewhat ligulat inate from a broad ] base, 
crenulate on the margins by the large protuberent cellules ; costa ‘indistinct, ma 
om acing half-way. — Leskea fragilis, Hook. §- he in Drum. Mosses, 2 
. No. — Hypnum triste, Mull. Synop. Muse. 2. p. 478.) — Very common 
thong a United States ; on trees, particularly the Hornbeam. Fruit un. 
known. (Eu.) 
66. LESKEA, Iedw.; eo Europ. (Tab. V.) 
orm. Operculum conic, acuminate or rostrate. aa 
oval or cylindrical, pedicellate. eae. ‘pode: the iual 16 lanceola 
speoneee ger the interior 16 narrow cilia, as long as the teeth, arising Pa a 
Ann ers rescen. 
Stems prostrate, irregularly or subpinnately branched ; leaves of the stem and 
branches uniform, ovate-lanceolate, more or less acuminate, mostly costate, 
smooth or papillose, with close subrotund or oval areolation aa oe for WV. 2 
ay an early German botanist.) 
. L. polycarpa, Hedw. Monecious; stem 2! long or more, irregularly 
neni branches ascending, 3/-1' high; leaves Eabiornae trom aoe or 
secund, recurved on the margins below, Hiteagly coe near the apex; cap- 
sule cylindrical, slightly curved; operculum conic, acute; perichetial lenves 
striate. — Roots of trees, in wet places. ) 
2. L. Obsctara, Hedw. Moncecious; smaller than No. 1; ramification 
the same; leaves ovate or oblong-ovate, rather obtuse, opaque, the margins be- 
low recurved ; costa reaching to the apex ; aN er are rata oper- 
culum short, conic; cilia of the inner ~~ e perfo within 
reach of floods: fruits copiously. (Tab 
3. L. mic sdebrioead tee” wh FP: Seb. in Fite Moncecious ; stems subpinnate 
ly branched ; leaves val, concaye, , Spread 
ing, rather lax; costa reaching ay to the poin i 1-obl te 
nervosa, Muse. Alleghan., No. 69.) On roots of fick: a wet woods, ead Mont- 
mery, Alaba 
plant, its leaves more spreading, not so recurved on the margins, nor so attenu- 
oa at the point; the costa extending higher up; capsule not cylindrical ; peri- 
tome smaller and lighter-colored, the interior more imperfect; and mainly 
the ad sliaies iffe 
4. L. rostrata, Hedw. Dicecious; branches erect, crowded, fasciculate, 
rete; leaves closely imbricating, ovate-lanceolate, long and slenderly 
nate, siglo on both surfaces, the margins broadly recurved below ; costa pel- 
i ite. — 
, in dense and extensive mats, on the base of trees: frequent. (Eu.) 
? denticulata, Sulliv. Dicecious; branches ascending, crowded, 
scaniewhiat compressed ; leaves closely ‘cohetintiie, slightly secund, concave, 
ovate, suddenly and rather long acuminate, denticulate, ecostate; areolation 
oval; capsule oblong; aan ae eser (Muse. Alleghan., No. 
62.) — Base of trees in the tern States: fruit very rare, 
fei tn Seal sepa, paleopr peer 
