— 53 — 



radiculose. Branches subpinnale, 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.: Eoell, com. Cardot. 

 IB.P.bicolor Kindberg n. sp. (Lescurgea?). 



Differs from the last: Leaves longer-acuminate, their middle 

 cells sublanceolate. Costa of stem-leaves long-excurrent. Cap- 

 sules unknown. Tufts sparingly radiculose, dark brovpn 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.P.decipiens Limpricht. — Ptychodium Limpr.; Pseudoleskea 

 Kindb. 



Leaves gen. denticulate above; upper cells linear, middle 

 lanceolate-oblong; costa vanishing belo^r 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- 

 ovals: Limpricht. Confounded with Lescurcea 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 

 Kindb. 



»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. Tafts pale or yellowish green. — Stone in 

 higher alp. region r. Eur. Austria, Germ., Switzerl. »: Limpricht. 



bb. Stem nearly simple denudate below. Capsules unknown. 



