— 166 — 
above and denticulate below, r. nearly entire, us. large and 
papillose at back. i 6 
4. Osmundoidei. Capsule terminal or (in F. taxifolius) — 
basilar. Leaves uniformly crenulate all around, gen. notlarge. - 
IV. Eu-Fissidens. Leaves unistratose limbate (in F. exiguus 
sometimes not limbate), gen. small and entire or at apex faintly — 
denticulate. Capsule terminal or (in F, floridanus) lateral; lid — x 
gen. rostellate (in F. rufulus very short obtuse). 
I. Aneuron Kindb. 
1.F.hyalinus Hooker et Wilson; Sulliv. icon. muse. 
Leaves entire in few pairs: lower very small, uppermost 
suboblong subacute much larger; wings short sinuolate; cells 
large round-hexagonal. Capsule ovalobovate or euboblong; lid 
as long; teeth deeply cleft; calyptra conic covering only the — 
beak. — Moist rocky ledges r. Amer. »U. S. Ohio»: Sullivant. 
II. Pachyfissidens C. Mueller. 
2.F.grandifrons Bridel. 
Leaves rigid sublinear obtuse very densely crowded; cells 
roundish; costa not percurrent. Tufts dense high.  Dioecious. 
Capsules unknown. — Wet calcareous rocks r. Eur. France! 
Spain: Levier. Amer. Can.: Macoun. — »The fruiting F. gran- 
difrons from Asia» Barnes and Limpricht is F. subgrandifrons 
C. Mueller in Bot. Zeit. 1864. j 
III. -Aloma Kindb. 
1. Camptodontii. 
3.F.Closteri Austin; Sulliv. icon. muscor. 
Leaves entire short-ovate subacute often with wantinglamina, 
very minute and pellucid. Capsule narrow subclavate erect or 
inclined; lid rostrate. Calyptra mitriform or cucullate. Plant 
minute. — On the ground r. Amer. »U. S: Austin»: Sullivant. | 
4.F.paupereulus Howe. 
Leaves uniformly crenulate, suboblong or short-lanceolate | 
subacute, larger than in the last: cells chlorophyllose pellucid. 
Capsule narrow subcylindrie often slightly curved, cernuous. - 
Calyptra cucullate. Plants small not or very loosely tufted. — 
— Stony ground r. Amer, U. S. California: M. A. Howe. 
2. Obtusifolii. ae 
5.F.obtusifolius Wilson; Sull. ic, m. — F. Arnoldi Ruthe. 2 
Leaves oval-oblong pellucid; costa not percurrent. Capsule 
suboval. — Wet sandstone or calcareous rocks r, Amer. U.8- 
Henry, com. Cardot. Eur. »Germany»: Limpricht. 
