14 Harahl Lindberg, Om Pohlia-former. 



bera pulcheUa Lesq. et James, Manual of the Moss, of N. Amer., 

 vara. Sasom utmarkande for denna i motsats till W. Lescu- 

 riana och W. carnea framhalles dess roda farg och den vid 

 locket kvarblifvande ringen, tvanne karaktarer, som endast till- 

 komma Pohlia decurrens. Sasom enda fyndorten i Nord Ame- 

 rika uppgifves British Columbia (Macoun): Pohlia decurrens ar 

 likaledes tagen i British Columbia, saledes afven i detta afse- 

 ende en pafallande ofverensstammelse mellan sistniimda arter. 



4. Pohlia atropurpurea (Wahlenb.). 

 Synon. 



Bryum atropurpureum Wahlenb. mst. in Web. et Mohr 

 Index Musei plantarum cryptogamarum, p. 4. (1803). 

 (Vidi specimina auctoris). 

 Bryum palchellum fi atropurpureum Wahlenb. Flora Lappo- 



nica, p. 360. (1812). 

 Bryum carneum var. inilchelliim Drumm. Musci Americani, 



II, N:o 261 (1828). 

 Bryum carneum /$ pulchellum Hartm. Skand. Flora, ed. Ill, 



p. 298, ex parte. (1838). 

 Bryum carneum C. Hartm. Skand. Flora, ed. 8, p. 364, ex 



parte. (1861). 

 Webera Columbica Kindb. in Macoun Catal. of Canadian 



Plants VI, p. 115, ex parte. (1892). 

 Pohlia borealis Arnell in sched. 

 Pohlia bardoensis Arnell in sched. 

 Pohlia Arnellii Lindb. fil. in sched. (21. 3. 99). 

 Figg. 1—15. 



Dioka, gregaria, gracilis, viridis vel ssepe rubescens. Cau- 

 lis ad 3 mm. altus, simplex, non bulbilliferus, ruber. Folia 

 infima breviora et remotiora, apicem versus sensim longiora et 

 in comam approximata, erecto-patentia, ovato-lanceolata, acu- 

 minata, 1.5—2.5 mm longa, 0.3—0.6 mm lata, non decurrentia, 

 margine piano vel vulgo revoluto, in dimidio superiore acute 

 dentato, basi rubra; nervus ruber, infra apicem dissolutus, raro 

 dorso obsolete clentatus. Cellulee pellucidse, in parte superiore 

 subflexuosse, 0.05—0.12 mm longae, 0.005—0.015 latse, basi bre- 



