674 
MtJSCI. (MOSSES.) 
oblong, nodding ; lid conic, acute. —Woods; dry, rocky hill-sides, on 
the ground. Fruits abundantly; much smaller than the last. 
§11. Stems vaguely branched ; leaves erect-spreading, elongated , acute 
{small species). — Serpentia. 
33. H. serpens, L. Leaves loosely placed , varying from ovate 
acuminate to linear-lanceolate, entire, the nerve vanishing short of the 
apex ; capsule cylindrical , erect-nodding; lid convex-conic , acute. 
{Muse. Meghan. Nos. 29, 30.)— Everywhere, extremely variable. 
34. II. siibslvnplex, Hedw. Stems and branches prostrate; 
leaves loosely 2-ranked, spreading , oblong-lanceolate , slightly serrulate, 
nerveless, pellucid; capsule oblong , nodding ; lid convex-conic, short- 
beaked. — Moist places, on the ground and decayed wood. 
35. H. adnittum, Hedw. Stems creeping; branches crowded, 
terete ; leaves closely imbricated , ovate-lanceolate , concave, entire, 
nerveless; perich. leaves eroded-denticulate at the apex ; capsule ovate , 
nodding, annulate; lid short-conic, obtuse. — Dry woods, on rocks 
near the ground. 
36. H. Conferva, Schwaegr. Stems rather pinnately branched} 
branches rigid, terete ; leaves distantly placed , when dry closely op¬ 
pressed , when wet erect-spreading , nearly entire, nerveless, loosely 
reticulated, those of the stems broadly ovate and pointed; branch- 
leaves much smaller, oblong-ovate, narrower than the branches 
perich. leaves lanceolate, laciniately serrate; capsule obovate , nod¬ 
ding, annulated ; lid hemispherical-conic, acute ; inner peristome with 
single ciliolae between the processes. —Pennsylvania, in shady places, 
on limestone near the ground. Very minute, the smallest of our spe¬ 
cies ; monoecious, probably different from the European plant. 
§ 12. Stems much elongated , irregularly branched : leaves hooked 
or curved {sicamp species ). — AdtJnca. 
3/. H. aduncum, L. Leaves scythe-shaped, one-sided, lance- 
awl-shaped, entire, nerved beyond the middle, the margins of the upper 
portions involute ; capsule nearly cylindrical, nodding; lid depressed- 
conic, acute. — Swamps. 
38. II. 11IIC ill fit 11 m, Hedw. Leaves bristle-awl-shaped, scythe¬ 
shaped, one-sided, striate, serrate, the nerve vanishing below the 
summit; capsule cylindrical, curved ; lid conic, apiculate. — Wet places 
in mountainous districts. Foliage bright green or yellow, shining* 
39. H. fluitaus, L. Leaves loosely placed, variously directed, 
the upper only one-sided and scythe-shaped, awl-shaped from an ovate, 
base, scarcely serrulate , the nerve extending nearly to the apex ; cap¬ 
sule oblong, nodding; lid elongated-conic , pointed. — Standing water,&c. 
40. H. scorpioides, L. Stems and branches ascending, tur¬ 
gid, flaccid ; leaves closely imbricated , erect , oblong , acute, entire , nerve¬ 
less, the upper ones pointed, one-sided and curved; capsule oblong, 
