MUSCI. (MOSSES.) 27 
* Teeth i the peristome arising from a short basilar membrane. 
1. B. unguiculata, Hedw. Stems }/- 1! high, branched ; leaves crect- 
patent, * Singin rather obtuse, shortly eas by the excurrent costa, 
revolute on the margins; capsule cylindrical, erect; annulus none: dicecious ; 
wer terminal. a ey soil, &c.; frequent. (Tab, 15.) (Eu 
, cx » Schwegr. Stems short, condensed; leaves crowded, 
linear-oblong, shortly acuminate, cuspidate by the slightly excurrent costa, un- 
dulate on the margins ; ee cylindrical, erect or subarcuate ; annulus none : 
moneecious ; male flower axillary. — Woods, about the roots of trees. — Readily 
known by its pale-green dai and yellow capsule with a red operculum. (Eu.) 
3. B. convola H Stems short, crowded ; leaves spreading, ob- 
long-ianceolate, rather obtuse, the margins plane; costa ceasing at or below the 
ch 
apex; perichetial leaves oblong, almost truncate, convolute, the upper 
eae capsule —? oblique ; annulus distinct ; pedicel - high) ney 
low; — Raccoon Mts., Alabama, Lesquereuz. 
4. B. tortudsa b. & Mo Stems 1/-3! high, aiesaicaadly 
branched ; leaves very long, linear-lanceolate, spreading, flexuose, undulated on 
the margins, crisped when dry, costa slightly excurrent; caps ae cylindrical, 
inclined : dicecious.— On rocks, Alloghisty Mountains. — One of the largest 
species of the genus. ( is 
5. B. iekeei te . Stems loosely czspitose, 1’-2! long, branched ; 
leaves long, from a broad panrnint base, 8 arrose-recurved, narrowly lan 
late, denticulate dees eae crisped when dry, longer and crowded at the 
s below Faded costa slightly excurrent. 
(Caps le ind slightly i soiliaad annulus simple: diccious. B ur.) 
ry. E 
amp, a quarter of a mile south of Lebanon, Wilson 
County, i auniates Robinson, 1842. Without fruit. (Eu.) 
* * Teeth of the ai arising ge a long tubular and tessellated membrane. 
6. B. mucronifolia, Br. & Sch. Stems short and thick; leaves con- 
densed, oblong or obovate-oblong, mucronate by the excurrent costa; capsule 
cylindrical, regular or slightly curved ; oo double ; ose re short: 
inflorescence as in No. 2.— y ms, &e.; frequent. (Eu.) 
7. B. ruralis, Hedw. Stems 1/-3’ Fak branched, loose; leaves squar- 
rose-recurved, oblong or obovate, very obtuse, concave-carinate, reflexed on the 
ge epee — into a s Tong, spinul nee white, capillary point; 
: dicecious. — On By 
htl arcuate, ann 
Nahant, Massachusetts, D. ini Texas, Wright. 
* * * Inflorescence and fruit unknown. 
8. B. papilldésa, Wils. Stems short (3-4! high), thick, crowded ;_ 
hortly 
u 
to 5 clustered roundish green cellules. — (Pottia Russellii, Sulliv. mss., has: - 
of Elm trees, Mass., J. L. Russell, 1843; common. — Until lately com 
sidered a gemmiparous state of the last species. (Eu.) 
