638 (38) MUSCI. (MOSSES.) 
(Name from kdéexwor, a sieve, and 68er, @ tooth, in allusion to the perforated 
teeth of the peristome.) 
1. C. Wrightii, Sulliv. Monecious ; tufts compact , hoary; stems 3/— 
4/' high, clavate; leaves closely imbricating (the lower smaller, oval, the upper . 
larger, obovate), very concave, serrate above, suddenly produced into a long 
=m denticulate hair-point, costate half-way; areolw at the base oblong, 
. those near the apex oval, both pellucid, the central ones roundish and chloro- 
carr capsule oblong:ov. , truncate at the base, on a very short curved 
pedicel ; ute; annulus large, compound. — Rocks, near San 
Marcos, Texas, Wright. — C. pulvinatus, its only congener, has a piggies and 
longer pedicel, obovate capsule, lanceolate leaves, and is dicecious. (Tab. IV.) 
39. RACOMITRIUM, Br. & Sch. (Tab. IT.) 
Calyptra conic-mitriform, subulately rostrate, solid and papillose at the apex, 
membranous and multifid at the base. Operculum conic, with a short or long 
subulate rostrum. Capsule a nearly cylindrical or om ae erect, 
i e ents 
largest among the Grimmioid Mosses ; stems Hddaaavaly irregularly 
branched ; leaves pa Ea with or without a Siskadesd hair-point, 
costate-carinate ; areolee above mostly quadrate, below enlarged, linear, with a 
sinuous outline. (Name rani paxos, a shred, and pirpior, a veil, referring to the 
lacerate base of the calyptra.) 
$1. DRYPTODON, Br. & Sch. ne dichotomous ; the innovations 
simple, fastigiate 
1. R. aciculare, Brid. Loosely ‘ihe: dull green; stems procum- 
bent and leafless below, ascending, 1’-3' long; leaves crowded, spreading every 
way or secund, ovate-oblong, the costa vanishing below the toothed or entire 
obtuse point; capsule elliptic-oblong, its mouth small ; mks of peristome deep- 
ly 2-3-fid; operculum long, subulate-rostrate.—On wet rocks, Alleghany 
Mountains. (Eu.) 
2. B. Sudéticum, Br. & Sch. Patches loose, grayish or — stems 
as in the last; leaves from an erect base, spreading, recurved or incurved, linear- 
lanceolate, with a rather short denticulate pellneia coma capsule small, 
oval or elliptic-oblong on a short erect or curved pedicel; operculum shortly 
rostrate. — Exposed rocks, Alleghany Mountains. 2 
§ 2. RACOMITRIUM Proper. — Ramification eneiuale ; branches ramulose ; 
the innovations not 
iculare, Brid. Patches loose, i a light green color ; stems 
oor y urge’ hed ; 8 with numerous fasciculate short 
ong, ass nt, bran che 
ranchlets; leaves crowded, spreading, linear-lanceolate, tapering, without a 
i i ve and below elongated and 
sinuous ; Tr Laima = spare - calves er, nggiee its whole 
leng — Moist rocks, 
‘etieahiery ‘aan (Tab. II.) (Eu.) 
