MUSCI. (MOSSES.) 77 
_ irregularly pinnate and, like the branchlets, subjulaceous; leaves patent-in- 
scarcely rostrate ; pe eds 6"”—7" long ; pericheetial leaves filiformly attenuated. 
— Mountains of New England, Oakes, Frost, James, Eaton. — Approaches the 
last species; but that is twice as large, and has more elongated, spreading, 
membranous, plicate, distant, and less concave leaves, with a more glossy 
face. e growth, ramification, and operculum separate it from H. 
§ 18. CAMPYLIUM, Sulliv.— Stems prostrate, with an irregular, crowded rami- 
fication, or ascending and fastigiutely branched : leaves suddenly long-acuminate 
Jrom a broadly ovate base, rrose, scarcely costate, scarious ; areolation sre 
linear, esc capsule subcylindrical, erect-cernuous : ae convex-coni 
. HW. stelatum, Schreb. Diccio stems ascending, kedguang 
Siealictiall es 4! high, rather stout ; leaves Aititllevate long-acuminate, entire, 
ecostate, the margins reflexed below, the basal angles excavated and furnished 
with wig diaphanous cellules. Bees and marshes: grows in compact turfs. 
t rare: foliage yellowish, shining. (Eu.) 
rphum, Bryol. Europ. Dicecious ; a more slender 
; ro 
cordate-ovate at the base, entire, less squarrose, unicostate “way ; without 
diaphanous cellules at the basal angles. — Moist and shaded clayey banks. (Eu.) 
69. H. hispidulum, Brid. Monecious, much smaller than the last ; 
©) 
tate at the base; the margins minutely dentate.— Dry places, at the base 
trees, or on the ground; rocky hill-sides : oie close bright-green mats. 
§ 19. HETEROCLADIUM, Bryol. Europ. — Stems prostrate, divided, radicu- 
lose, sparingly ies, irregularly and subpinnately ramulose : leaves of two forms ; 
the cauli ima a opted the ramuline roundish-ovate, obtuse, 
ber li denticulate and state at the base, more or less papillose ; 
central ioule se shlang-hexaagoecd; the marginal subquadrate: capsule oblong, 
cernuous : operculum conic, obtuse or slightly rostellate. 
70. HW. dimor IY, Brid. Diccious; stems 1/-2! long, filiform, 
rigid, fragile, with minute, opaque, dark green and lustreless leaves. — Dry 
shaded rocks, Ellis hives, White Mountains of New Hampshire, James. (Eu.) 
§ 20. AMBLYSTEGIUM, Bryol. Europ. — Stems creeping, much and irregu- 
larly branched : leaves erect-patent, rarely bifariously directed, ovate and ovate-tan- 
ceolate, mostly exes areolation heragonal-rhomboidal ; costa variable: capsule 
g or cylindrica or less curved : operculum convex-conic. 
71. WH. ia, Hoffm. Monecious; branches crowded, erect; leaves 
distant, ovate-lanceolate, acuminate, ecostate, spreading or slightly secund, with 
um 
