radiculose. Branches subpinnate, branchlets numerous. — Trees 
and rocks. Amer. princ. in alp. regions of Pacif. distr., there 
corresponding to P. atrovirens. Alaska: J. M. Macoun. Can.: 
J. Macoun; Drummond n, 225. U. S.: Roell, com. Cardot. 
13.P.bieolor Kindberg n. sp. (Lescursea?). 
Differs from the last: Leaves longer-acuminate, their middle 
cells sublanceolate. Costa of stem-leaves long-excurrent. Cap- 
sules unknown. Tufts sparingly radiculose, dark brown with 
green branch-tops. Stem irregularly divided. — Schistose alp. 
rocks r. Eur. Sweden in Lapland near lake Virijaur: E. Ny- - 
man 1893. 
14.P.atricha Kindb. note on Can. bryol. 1893. 
' Leaves ovate-oblong short-acuminate; cells sublanceolate con- 
flated irregularly sinuous; costa not excurrent. Capsules un- 
known. Tufts brownish or olivaceous with green branch-tops, 
loosely cohering without rhizoids. Branches subjulaceous irre- 
gularly divided; paraphyllia very few. — Rocks in higher alp. 
region r. Amer. Can. Pacif. distr.: Macoun. 
b. Leaves gen. smooth and long-acuminate; costa not excur- 
rent. Capsule gen. symmetric suberect; peristome golden yellow. . 
aa. Stem much divided. Endostomial segments broad rimose. 
15-F deeipiens Limpricht. — Ptychodium Limpr.; Pseudoleskea 
indb. 
Leaves gen. denticulate above; upper cells linear, middle 
lanceolate-oblong; costa vanishing below acumen.  Stem-leaves 
from subovate-oblong base abruptly tapering; branch-leaves 
more gradually attenuate. Tufts green or yellowish. Branches 
us. not curved. »Inner perichetial leaves gradually acuminate, 
denticulate nearly all around; costa short faint. Capsule sub- 
oval»: Limpricht. Confounded with Lescurwa striata “saxicola, 
princ. differing in endostome and narrower leaf-cells. — Stone 
in alp. region r. Eur. Norway, Switzerl.! 
16.P.Pfundtneri Limpr. — Ptychodium Lpr., Pseudoleskea 
indb. : 
»Leaves gradually acuminate gen. entire; upper cells subli- 
near, the others rhomboidal or rhombic-hexagonal; costa sub- 
percurrent, Stem-leaves from ovate-oblong base long-subulate; 
branch-leaves lanceolate. Perichetial leaves abruptly long-subu- 
late; costa indistinct. Capsule broad-oval strangulate; pedicel 
. 5—7 m. m. long. Tufts pale or yellowish green. — Stone in 
higher alp. region r. Zur. Austria, Germ., Switzerl.»: Limpricht. 
bh. Stem nearly simple denudate below. Capsules unknown, 
