— 15f5 — 



4.0.parallelTim Mitten. — Atrichum Mitt.; Sull. ic. m.; Oligo- 

 trichum Kindb. 1. c. 



Leaves sublanceolate (or in male plant oval-oblong) acute or 

 short-acuminate, dentate to below middle, marked with longi- 

 tudinal stripes at back; costa scarcely percurrent also in the 

 nearly similar perichetial leaves. Capsule as in the last but 

 thicker; lid rostrate; pedicel thick longish; calyptra unknown. 

 — - Wet rocks in alps r. Amer. Brit. Col. in higher alp. region: 

 Macoun. Eur. Norway: E. Nyman. 

 S.O.leiophyllum Kindb. — Atrichum in bull. Torr. club. 



Differs from the last: Leaves not striped, upper longer-acu- 

 minate; perichetial with still longer acumen and excurrent 

 costa. Capsule longer. Calyptra nearly glabrous. — Damp 

 earth in alp. regions. Amer. Alaska: J. M. Macoun. Can. 

 Brit. Col. and Vane, isl.: J. Macoun. 



70. Psilopilum Biidel. 

 l.P.laeyigatuni Wahlenberg. — Polytrichum Wahl. fl. lapp.; 

 Psilopilum Limpricht. 



Leaves short ovate-oblong eubobtuse crenulate above, not 

 dentate at back. Capsule large broadly subovate more or less 

 curved; pedicel not long. — Sandy or turfy soil in arctic distr. 

 Eur. Spetsbergen: A. E. Nordenskioeld; Berggren. Amer. Can.: 

 Breutel. Alaska: Palmer and J. M. Macoun. Greenl.: Berggren. 



71. Bartramiopsis Kindb. revue bryol. 1894. 

 l.B.Lescurii James. — Atrichum Jam.; Bartramiopsis Kindb.; 

 Oligotrichum Mitten. 



Leaves linear-lanceolate short-acuminate, sharply dentate to the 

 sheath, not much loosely disposed, more or less incurved when 

 dry, nearly straight and spreading when moist; lameUse 4 — 8. 

 Stem 2 — 3 ceutim. long nearly eradiculose, naked and filiform 

 below. (Described to specimens from Japan). » Capsule erect 

 short cylindric-ovate constricted below mouth; pedicel short »: 

 Lesq. et Jam. — Amer. »Alaska»: Lesq. et Jam. (Japan: Bisset, 

 determ. Mitten). 

 * B.sitkana Kindb. 1. c. 



Leaves longer, long-subulate more loosely disposed, cirrate 

 when dry. Capsules unknown. Habit of Bartramia crispa. — 

 Amer. Alaska, Sitka: J. M. Macoun. 



72. Catharinella Kindb. rev. bryol. 1894. 



A. Leaves short-acuminate sheathing; marginal teeth large 

 with a single red cell at apex; lamellae 20 — 30. Stem and 

 pedicel not long. 



