— 154 — 



a. Leaves limbate by 2 rows of linear cells; costa dentate 

 above at back. Capsule cylindric. 



2.C.lindalata L. — Bryum L.; Catharinea Weber et Mohr; 

 Atrichum Br. eur. 



Leaves narrowly lanceolate acuminate acute, dentate also 

 below middle, very chlorophyllose, spreading when moistened, 

 gen. large and green; lamellae us. 2 — 4. Capsule us. large 

 curved; pedicel often very long. Paroecious or polygamous; 

 male plants rare. — Earth and wet rocks princ. in lower regions, 

 common. Eur. Sweden, Norway, Switzerl.! Amer. Can.: Macoun. 

 U. S.: Roell; SuUivant, com. C. Mueller. 



S.C.Haussknechtii Juratzka et Milde. — Atrichum J. et M.; 

 Catharinea Brotherus; C. anomala Bryhn. 



Differs from the last: Leaves lanceolate short-acuminate sub- 

 obtuse, less large. Capsules smaller and nearly straight, some- 

 times clustered. More often paroecious. — \^^et earth in woods 

 r. Eur. Norway: Bryhn. Amer. N. Foundl.: Waghorue. 

 4.C.angUStata Bride! . — Atrichum Br. eur. 



Leaves lanceolate or oblong-lanceolate short-acuminate sub- 

 obtuse, entire below middle, faintly chlorophyllose and often 

 subpellucid, patent when moistened, less large and less undu- 

 late than in the both last and gen. olive-green; lamellae us. 5 — 7. 

 Capsule less large and nearly straight; pedicel red shortish. 

 Dioecious. Male plants abundant in separate tufts with cup- 

 shaped flowers; perigonial leaves with thick costa. — Sandy 

 and clayey earth, often on rocks and stone-walls. Eur. princ. 

 in southern distr. Switzerl.! Amer. more common. Can.: Ma- 

 coun. U. S.: Wetherby. 

 * C.xanthopelina C. Mueller. — Atrichum Lesq. et Jam. 



Leaves more distinctly obtuse with smaller teeth. Pedicel 

 of capsule long and pale. — Airier, r. U. S.: Boll, com. C. 

 Mueller; Langlois, com. Kenauld. 



b. Leaves indistinctly limbate by one row of linear cells; 

 costa nearly smooth. Fruiting stem unknown. 

 5.C.rosulata C. M. et Kindb.; Atrichum cat. Canad. m. 



Shoot-leaves short rosulate: upper oblong-lanceolate subobtuse 

 dentate above middle and scarcely undulate, spreading when 

 moist, often without scales at back. — On old stumps r. Amer. 

 Can. Brit. Col.: Macoun. 



2. Leiophyllse. 

 G.C.crispa James. — Atrichum SuUiv. icon, muse. 



Leaves large distant obtusate obtuse ovaJ.-oblong or oblong- 



