— 211 — 
smaller. — Rocks in alp. prine. arctic districts r. Amer; Greenl.: 
Vanhoeffen. Can.: Waghorne. Eur. »Sweden»: Hartman. 
i 96. Rhabdoweisia Bryol. eur. 
Å. Peristomial teeth brittle us. with broad base. Leaves 
gradually acuminate us. entire. 
1.R.striata Schrader. — Grimmia Schrad: 1799; Rhabdoweisia 
Kindb.; Weisia fugax Hedwig 1801. 
Leaves sublinear acute, curled when dry. Capsule suboval 
pale ferruginous; pedicel yellow very short. — Fissures of rocks. 
Eur. not r. Sweden, Norway, Switzerll Amer. r. Can. Sudbury 
Junction: Macoun. ` 
B. Peristomial teeth persistent subulate. Leaves obtusate 
serrulate above. 
2.R.crispata Dickson. — Bryum Dicks. 1793; Rhabdoweisia 
Kindb.; Weisia denticulata Bridel 1806. 
Leaves linear acute, more or less curled. Capsule suboblong 
brownish; pedicel yellow. — Fissures of rocks. Eur. somewhat 
r. Sweden, Switzerl. Engl: Rogers. Amer. t. Can.: Drummond, 
com. Macoun. 
3.R.crenulata Mitten. —  Didymodon Mitt., Rhabdoweisia 
Jameson; Oncophorus Braithwaite. 
Leaves sublinear gen. obtuse, broader and more strongly 
serrulate than in the last, not much curled; cells larger. Cap- 
sule oval rufous or reddish; teeth sometimes cleft; pedicel finally 
pale red. — Wet rocks r. Eur. France cascade d'Enfer near 
Bagnéres de Luchon 1855! Engl.: T. Rogers. 
97. Oreas : Bridel. 
1.0.Martii Hoppe et Hornschuch. — Weisia Hop. et Hsch.; 
Oreas Brid.; Oncophorus Lindb. 
— Leaves entire sublinear acuminate or with broader base, re- 
curved below. Capsule suboval rostellate; pedicel arcuate when 
moist. Tufts very dense often high. — Rocks in alp. regions 
r. Eur, Switzerl.! Austria: Schimper. 
Fam. 22. Seligeriacee. 
98. Seligeria Bruch et Schimper. 
l. Anodus. Peristome none. Leaves denticulate. 
IL. Eu-Seligeria. Peristome present. Leaves entire or (some- 
times in S. pusilla) faintly crenulate. 
L  Anodus Bryol eur. i ser 
.. 18.Donii Smith. — Gymnostomum Sm.; Seligeria C. M. 
. Leaves channelled. shortish; costa long-excurrent. Capsule 
