acumen. Stem irregularh- divided not creeping. Capsule and 

 Jid as in the last; peristome not seen. — Rocks r. Amer. Can. 

 Labrador: Waghorne. 



B. Costa of leaves long, also in the perichetial. 

 ll.A.nervosus Bridel. — Pterigynandrum Brid.; Anomodon 

 Huebener; Leskea Myrin. 



Leaves from short subovate base abruptly tapering to a long 

 subulate filiform-pointed acumen, recurved to it; middle cells 

 round-oval; costa subpercurrent or long-excurrent. Perichetial 

 leaves entire long-acuminate. Capsule oblong-cylindric; teeth 

 orange; segments short or rudimentary with indistinct basal 

 membrane; lid rostellate; pedicel shoi-t. Stem creeping; bran- 

 ches pinnate subjulaceous. R. fruiting. — • Rocks and trees. 

 Eur. not r. Sweden, Norway, Switzerl.! Amer. r. Can. less r : 

 ^Lacoun; Waghorne. 

 12.A.heteroideus C. M. et Kindb. catal. Canadian musci. 



Leaves gradually acuminate without filiform point, not re- 

 curved to acumen; middle cells roundish; costa not percurrent, 

 shorter and fainter than in the last. Perichelial lea^'es denti- 

 culate or sinuolate. Capsules unknown. Branches not distinctly 

 julaceous; branchlets flagelliform with very small nerveless leaves. 

 — Rocks and trees r. Amev. Can.: Macoun; Waghorne. 

 IS.A.Moseri Kindb. — Leskea note on Can. bryol. 1893. 



Leaves as in A. nervosus but smaller; cells more rotundate. 

 Perichetial leaves narrowly ovate-oblong, obtusate or short-acu- 

 minate, denticulate at least above middle. Capsule lanceolate- 

 cylindric small-mouthed; teeth pale; segments as high with di- 

 stinct basal membrane; lid apiculate; pedicel twice longer than 

 in A. nervosus. — On earth r. Eur. Can.: J. Moser, com. 

 Macoun. 



14.A.rupestris Berggren. — Leskea Bgr.; Anomodon K^indb.; 

 »Leskea nervosa*; Milde and Limpricht. 



Leaves smaller than in A. nervosus, narrowly ovate oblong 

 ur ovate-lanceolate, shorter acuminate, not recurved; cells oblong; 

 costa not much prolonged into acumen. Tufts brownish or 

 olivaceous. Capsules unknown. — • Rocks in alp. region r. Ear. 

 Norway] 



15.A.rigidulus Kindb. Laubm. Schw. u. Xorw. — »Leskea 

 nervosa » : Limpricht. 



Leaves much shorter than in A. nervosus, broadly recurved 

 all around; middle cells rotundate; costa percurrent. Stem-lea- 

 ves round-ovate obtuse; branch-leaves ovate-oblong gen. obtusate 



