— 148 — 
- b. Leaves long concave; alar cells well-defined. d 
aa. Leaves somewhat broadly ovate-lanceolate; apical -cells 
few suboval. 
10.F.squamosa L. dd 
Leaves not distinctly decurrent, subacute often with short 
point, more or less acuminate; middle cells lanceolate-linear, Um 
inner basal sublanceolate, alar impressed at angles. Capsule 
oval-oblong; teeth red; segments united; lid short-conic. Rocks 
in running water. — Eur. Germany: Schimper. Belgium: 
Gravet. France: Pelvet. Austria: Schmidt. Norway: Nyman. 
* F.Delamarei Renauld et Cardot. e 
Capsule smaller oblong-cylindrie; »teeth much shorter»: Cardot. — 
— Amer. r. U. 8. Miquelon: Delamare, com. Cardot. 
bb. Leaves narrowly ovate-lanceolate: alar cells not impres — 
sed, the others uniform narrow. : 
11.F.dalecarliea Schimper. 
Leaves decurrent gen. short-acuminate subacute; cells sub- 
lanceolate. Capsule oval-oblong; teeth orange-red; segments us, 
not wholly united; lid short subconvex obtuse. — Running | 
water or lakes in northern districts. Eur. Sweden not KO 
Swartz; R. Hartman. Amer. Can.: Macoun; Fowler. 
12 F.baltiea Klinggreeff. 
»Differs from the last: Leaves subulate long-acuminate. 
Peristomial teeth red; lid conic acute, Paroecious. — Lakes. 
Eur. Germany»: Limpricht. 
13.F.seriata Lindberg. ae C 
Leaves us. not distinetly decurrent, long-acuminate often. 2 
subulate with a short half-twisted point; cells sublinear. Cap - 
sules unknown. — Rivers r. Eur. Sweden: Conr. Indebetou, 
detector of this species. 
9. Latifoliz, 
A. Leaves of stem distant very concave inflated decurrent, 2 
sometimes conduplicate; cell-walls sinuous, 
14.F.Heldreiehii C. Mueller. 
Stem us. simple; its leaves cymbiform subcircular obtuse 
obtusate or short-acuminate; alar cells not well-defined, the — 
others sublanceolate, Capsules unknown. — Rivulets in alp. : 
region r. Eur. Greece: Heldreich. ha 
B. Leaves of stem distant, plieate in middle, decurrent u&. —— 
conduplieate; cells subfusiform not sinuous at walls. Us. dioecious. 
a. Endostome completely cancellate. Stem without special 7s 
branchlets, at 
