—- 154 — 
a. Leaves limbate by 2 rows of linear cells; costa dentate 
above at back. Capsule cylindric. 
2.C.undulatía 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; lamelle 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; Sullivant, com. C. Mueller. 
3.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. — Wet earth in woods 
r. Eur. Norway: Bryhn. Amer. N. Foundl.: Waghorne. ; 
4.C.angustata Bridel. — 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; lamella 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. Mur. prine. — 
in southern distr. Switzerl.! Amer. more common. Can: Ma — 
coun. U. 8: Wetherby. zin 
* C.xanthopelma C. Mueller. — Atrichum Lesq. et Jam. — 
Leaves more distinctly obtuse with smaller teeth.  Pedicel ; 
of capsule long and pale. — Amer. r. U. S.: Boll, com. C. — 
Mueller; Langlois, com. Renauld. 
b. Leaves indistinctly limbate by one row of linear cells; - 
costa nearly smooth. Fruiting stem unknown. 
5.C.rosulata C. M. et Kindb.; Atrichum eat. Canad. m. 23 
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. Leiophylle. 
6.C.erispa James. — Atrichum Sulliv. icon. muse, ^ 1 
Leaves large distant obtusate obtuse oval-oblong or oblong- 
