MUSCI. (MOSSES.) (77) 677 
irregularly pinnate and, like the branchlets, subjulaceous ; leaves patent-in- 
htly s sule ob- 
long, oblique, slightly incurved, narrowly annulate ; operculum > A 
scarcely ro rostrate ; pedicels 6-7" long; perichetial leaves filiformly a’ ed 
— Mountains of New England, Oakes, Frost, James, Eaton. — oyna the 
last species ; but that is twice as 1 and has more elongated, s ‘ 
membranous, pe distant, and less concave leaves, with a more sey sur- 
he h, ramification, and operculum separate it from H. hian: 
§ 18. CAMPYLIUM, Sulliv. — Stems prostrate, with an irregular, crowded ra 
Pires or ascending and fastigiately branched : leaves suddenly inn 
from a broadly ovate base, subsquarrose, scarcely costate, pageant Rte cea 
han Aue: capsule indrical, erect-cernuous : Op ex: 
67. HA. steliatuum, Schreb. Dicecious ; stems ascending, fastigiately 
branched, 3/-4/ high, rather eed leaves deltoid-ovate, long-acuminate, entire, 
soraee the margins reflexed below, the basal angles excavated and furni ished 
th large diaphanous cellules S Bigs te and marshes: grows in compact turfs. 
wWrait rare: foliage eltwith, shining. (Eu.) 
68. H. polymérphum, Bryol. Europ. Diccious ; a more slender 
than the preceding ; stems procumbent, subpinnately ramulose ; leaves 
contateorae at the base, entire, less squarrose, unicostate half-way ; without 
us cellules at the basal angles. — Moist and shaded clayey banks. (Eu.) 
69. HI. hispiduluma, Brid. Moncecious, much smaller than the last ; 
trees, or on the ground; rocky hill-sides : forming close bright-green mats. 
$19. HETEROCLADIUM, ae Europ. ane gece divided, radicu- 
ly ramulose : leaves of two forms ; 
the rete ‘Tangenjees te-lanceolate; squarrose ; the ramuline roundish-ovate, = 
suberect ; all denticulate and obscurely Sitnitats at the base, more or less papillose 
central areole larger, oblong-hexagonal, the marginal subquadrate: capsule dinng, 
cernuous : operculum conic, obtuse or slightly rostellate. 
70. HW. dimérphum, Brid. Diccious; stems 1/- -2! long, filiform, 
rigid, fragile, with minute, opaque, dark green and lustreless leaves. — Dry 
shaded seit Ellis River, White Mountains of New Hampshire, James. (Eu.) 
§ 20. AMBLYSTEGIUM, Bryol. Europ.— Stems creeping, much and irregu- 
larly branched : leaves erect-patent, rarely hferiously nasa ovate and ovate-lan- 
ceolate, mostly entire; areolation hexagonal-rhomboi sta variable: capsule 
oblong or cylindrical, more or less curved : operculum conver-conic. 
71. Hi. saibtile, -Hoffm. aight branches crowded, erect; leay 
“distant, ovate-lanceolate, acuminate, ecostate, spreading or slightly secund, with 
a loose areolation; capsule oblong, stati or slightly cernuous ; ome um 
large, apiculate ; the basal membrane of the internal peristome narrow ; ciliolee 
absent. — Trees, New England. — A very minute species. (Eu.) 
57 * 
