—41— 



Rhahdoweisia fugax (Hedw.) Bry. Eur. 

 Rhacomitrium aciculare (L.) Brid. 

 Rhacomitrium canescens (Weis, Timm.) 

 Brid. 



Rhacomitrium fasciculare (Schrad.) 

 Brid. 



Rhacomitrium heterostichum (Hedw.) 

 Brid. 



Rhacomitrium lanuginosum (Ehrh., 



Hedw.) Brid. 

 Rhacomitrium patens (Dicks.) Hueb. 

 Rhacomitrium sudeticum (Funck) Bry. 



Eur. 



Rhacomitrium varium (Mitt.) Lesq. & J. 

 Rhaphidostegium demissum (Wils., 



Sch.) DeNot. 

 Rhodobryum roseum (Weis.) Sch. 

 Rhytidiadelphus squarrosus (L.) Warnst. 

 Rhytidiadelphus triquetrus (L.) Warnst. 

 Rhytidium rugosum (Ehrh.) Kindb. 

 Saelania glaucescens (Hedw.) Broth. 

 Scleropodium purum (L.) Limpr. 

 Sphagnum acutifolium Ehrh. 

 Sphagnum cymbifolium Ehrh. 

 Sphagnum cuspidatum Ehrh. 

 Sphagnum fimbriatum Wils. 

 Sphagnum fuscum (Sch.) V. Klinggr. 

 Sphagnum Girgensohnii Russ. 

 Sphagnum imbricatum Hsch. 

 Sphagnum molle Sull. {S. compactum) 

 Sphagnum molluscum Bruch. 

 Sphagnum papillosum Lindb. 

 Sphagnum recurvum P. B. 

 Sphagnum Russowii Warnst. 



Sphagnum squarrosum Pers. 

 Sphagnum subnitens Russ. 

 Sphagnum subsecundum Nees. 

 Stereodon arcuatiformis Broth. 

 Stereodon arcuatus Lindb. 

 Stereodon circinalis (Hook.) Mitt. 

 Stereodon cupressiformis (L.) Brid. 

 Stereodon curvifolius (Hedw.) Brid. 

 Stereodon fertilis (Sendt.) Lindb. 

 Stereodon Haldanianus (Grev.) Lindb. 

 Stereodon imponens (Hedw.) Brid. 

 Stereodon plicatulus Lindb. 

 Stereodon pratensis (Koch) Warnst. 

 Stereodon reptilis (Rich.) Mitt. 

 Tetraplodon angustatus (L. f., Sw.) 

 Bry. Eur. 



Tetraplodon mnioides (L. f., Sw.) Bry. 

 Eur. 



Thamnium alopecurum (L.) Bry. Eur, 

 Thuidium delicatulum (Dill., L.) Mitt. 

 Thuidium minutulum (Hedw.) Bry. 

 Eur. 



Thuidium quadrifarium Mitt. 

 Tortella caespitosa (Schwaegr.) Limpr. 

 Tortella tortuosa (L.) Limpr. 

 Trichostomum cylindricum (Bruch.) 

 C. M. 



Trematodon longicollis Rich. 

 Ulota americana (P. B.) Mitt. 

 Weber a annotina (Hedw.) Bruch. 

 Webera cruda (L.) Bruch. 

 Weber a elongata (Hedw.) Schwaegr. 

 Webera longicolla (Sw.) Hedw. 

 Weisia viridula (L.) Hedw. 



THE GENUS CLAOPODIUM IN EUROPE 



William Edward Nicholson 



The name Claopodium was first used in 1884 by Lesquereux and James- 

 (Mosses of North America, p. 327) for a subgenus of Hypnum to include five 

 species from the northwestern portion of North America, allied to Thuidium in 

 the papillose areolation and the form of the leaves, but diff'ering in the absence 

 of filamentous paraphyllia. Lesquereux and James claim alliance with Eurhyn- 

 chium for the subgenus, but it is difficult to see any special relationship in this 

 direction, and Dr. G. N. Best in his Revision of the Claopodiums (Bull. Torrey 



