660 (60) MUSCI. (MOSSES.) 
67. CLASMATODON, Hook. & Wils. (Tab. V.) 
Calyptra cuculliform. Operculum conic-rostellate. Capsule oval, erect, pedi- 
cellate. Peristome Regie : teeth 16, short, 1 -2-divided into irregular segments, 
remotely articulated. Annulus large, husoek: somewhat persistent. Spores 
1 £ small i i i 
: oO 
ne, irregularly branched stems, and broadly ovate-acuminate semi-costate 
leaves, of an oval-elliptical areolation. — (Name from KAdopa, a fragment, and 
édeyv, tooth, descriptive of the peristome.) 
rvulus, (Hampe,) Hook. & Wils. Leaves concave, pai 
vula, Hampe. LL. Sullivantii, Bryol. Europ.? Anisodon tenuirostris, Bryol. 
urop. Clasmatodon pie, Hook. ! “ or ‘the bark of trees, in dry 
places, or on their roots in loc t : very common in the 
uthern States. — A variable sisi, " (Tab. NV.) 
‘Tre XXVIU. THELIER. 
68. THELIA, Sulliv. 
mort tra cuculliform, narrow. Operculum conic, rostrate. Capsule ovate- 
drical, erect, pedi te. Peris tome double; the dias 16 long, linear- 
mult, — rg distantly articulated teeth; the interior a carinate 
the length of the teeth, with or without rudimentary 
cilia. — Growing in compact glaucous: or yellowish-green mats ; stems villous 
with a radicular tom imexieamy, cree , throwing up densely crowded sho 
slenderly pointed leaves, composed of pellucid elliptical and conspicuously uni- 
papillate ihe (Name from @7An, a papilla, referring to the prominent pa- 
pills of the leaf.) 
Ma, (Hedw.) Sulliv. — Leaves inclining to a dark yello ng 
e bac k, the papilla e sonennd, curved, simple ; pekichielial eaves Sa 
(Pestepanine drum hirtellum, Hedw.)— Roots and trunks of 
2. 'T. asprélla, (Schimp.) Sulliv.— Growing with No. 1, formerly con- 
founded with it; distinguished by the glaucous-green color of its leaves, their 
papill nies at the apex 5 and by the narrower, _ and nodose teeth of 
the peristome, an (Lesk i P. Sch.) — Northern 
and “Middle Sic and westward. 
3. ms Lesetirii, Sulliv. (Muse. Bor.-Amer., No. 249.) Near the last 
species ; ramification more fasciculate, not so condensed ; the branches longer; 
leaves pesimaeinsites with a bluish tinge, shorter, hoonier, not so acuminate, 
the areolation much smaller, not so pellucid, the papille 3-lobed at the apex; 
pedicel twice as long; capsule longer, often slightly curved, the mouth with a 
