24 MUSCI. (MOSSES.) 
&c.; common: ripens its fruit (which is scarce) in October and November. 
(Tab. 16.) (Eu 
s, Hampe. Besides numerous discrepancies, singly of not 
much importance, this species differs from the last in its much smaller size, its 
preference for dry localities, and the time (May and June) of ripening its fruit. 
— On the ground, dry woods; not rare. (Eu.) 
Tre VI. FISSIDENTES. 
Av. FISSIDENS, Hedw. (Tab. 15.) 
Calyptra cuculliform, or conic-mitriform. Capsule oval or oblong, erect or 
cernuous, mee eee ean uae conic-rostrate. Peristome single: 
eeth 16 n Dicranum, Inflorescence various. 
Be alike plants; the leaves atte two-ranked, inserted on opposite sides of 
the stem, their proper lamina infolded-boat-shaped, p 
equitant blade, which forms the principal portion 
hexagonal-rotund. 
oducing from the keel an 
of the leaf; arecolation minute, 
(Name from the me sil split, and dens, a tooth.) 
Frui 
. FE. hyalinus, Hook, & on soo 1-2" high, erect, simple; 
leaves oblong-lanceolate, acute, hearty any costa; areolation large and hya- 
line ; capsule erect, oval; calyptra conic, entire at the base. — Damp earth, in 
shady woods, near Cheeiniiati, ok: found only by the late 7. G. Lea. 
2. F. obtusifolius, Wils. Stems simple, 2/'-3" high; leaves —_ 
nvex-conic, with a very s pores lz 3; cals 
dicecious ; male flower terminal.— Wet and shaded rocks, near rivulets ; Cen- 
tral and Southern Ohio. 
. FF. ex Size, inflorescence, and calyptra as in the last; 
leaves oblong-lanceolate, costa ceasing near the apex ; capsule oval, somewhat 
ique ; operculum rather short-rostrate. —Damp rocks in shaded ravines, &¢-5 
commo 
4. F. minittulus, Sulliv. Size, inflorescence, and calyptra as in the 
two preceding species ; leaves linear-lanceolate, with a transparent wavy bor- 
der ; costa vanishing near the summit; capsule oval, erect; operculum rather 
long-rostrate. — With the last. 
ledw. Somewhat larger than the last three; capsule 
ale flowers nu- 
merous, axillary. — Moist and shaded banks. 
= e. .  epaneg. Sulliv. Size, calyptra, inflorescence as in ong 2; 
near ostate to the apex, mails, repand-dent 
oe margins of the As lamina, denticulate on 
opaque; capsule elliptic-oblong, eT (Mem. A 
171, t. 2.) —Damp ground, 8. Carolina, Ravene 
ae ie; Tia pen 
ag ay n. ser., 4, 
‘ Cae 
7. F. osmundioides, Hedw. Stems oe, v= bigh, branched; 
5: 
q 
a 
