MUSCI. (MOSSES.) 71 
horizontal surfaces, it assumes om —— and larger growth, ani becomes H. 
Marylandicum and H. Carolinianum, Mull. Synop. (Eu.) 
roc uma, ©. Mall. Mon neecious ; growth close and en- 
tangled; branches short, recurved ; | 
narrowly oblong-lanceolate, concave, obsoletely short-costate ; capsule more or 
less symmetrical, erect or inclined; ciliole of the peristome often 
(Leskea adnata, Michx.) — Tranks of trees, in the Southern States. 
27. H. cylindricarpum, Mull. Synop. (1851). Diccious; stems 
prostrate, Bi devcids se branched ; leaves narrowly lanceolate, with a long-atten- 
uated serrate aa bifariously imbricated, falcate-secund, ecostate ; capsule 
elongated-cylindrical, regular and erect, or slightly unequal and curved ; ciliolae 
of the inner siertantiaa ean (Muse. Alleghan. No. 60. Leskea tenuiros- 
tris, W. P. Sch.; Ed. 1, 1848.) —- Grows in close, yellowish, shining mats on 
logs, in woods, ey Mountains and Central Ohio. 
28. H. rectirvanms, Schwegr. Monecious ; forms palish-green shining 
mats, fruiting abundantly ; leaves earidasty imbricating, ovate-lanceolate from 
a constricted base, secund-falcate, strongly eee near the point, thy two faint 
costz at the base ; capsule short-oval, | urved. — Decayed logs, Alle- 
ean Mountains. Very common, and vasable io in size. 
9. H. albulum, C. Mull. Moneecious; stems and branches flat ; leaves 
oe spreading, bifarious, oblong-lanceolate, slightly serrulate and subsecund, 
dark to pale-whitish green: difficult to distinguish from small forms of H. re- 
curvans ; the alar cellules less distinct and inflated. 
#10. LIMNOBIUM, Bryol. Europ. — Main stems prostrate, irregularly branched, 
ascending: leaves varying from orbicular to elongateddanceolate, shortly unicostate 
or obsoletely bicostate; cellules oblong or linear : cae = or oblong, cer- 
nuous : operculum hemispherical, apiculate, or short-con 
30. H. eugyrium, Bryol. Europ. (Muse. Bor.-Am ‘0. 303.) Mo- 
were ve pest — —_ — iroguarly divided ; leaves 
, concave, more 
or ties complicate and contorted, secund, subfaleate, shortly bicostate, the ex- 
cavated basal angles composed of large pellucid falvous cellules; capsule oblong, 
zernuous-incurved ; annulus very broad. (H. palustre, James, in Pioceed. Acad. 
Nat. Sci. 1855. Limnobium rufescens, Schimp. ined.) — White nese New 
page ana Oakes, James. Smoky Mountains, Tennessee, Rugel. — H. palustre, 
L., Bryol. Europ., (common in vernon eaten Drummond,) not yet found within 
our Taidul has no annulus ; les of the | re different. (Eu.) 
31. Hi. méille, Dickson. Monucens: somewhat larger than the preced- 
capsule anes, turgid. — — Mountain rivulets, North Carolina, Curtis, Lesquereux, 
Eu.) 
