REVUE BRYOLOGIOUE 21 



allowed to drop into the category of synonyms, to the 

 great simplification of th'^ nomenclature ot this group of 

 mosses. 



23 Easl Park Parade, Northami>(on, England, 8 Dec. 1S98. 



H. N. Dixon. 



Geplialozia Hagenii sp. nov. 



t 



Habitu inter Cephaloziis elachisla et Tiirneri. Dioica, 



Pusilla, 2-3 mm. alta, fragilis, virescens, pellucida, ad 



terram argillaceam crescens 

 Gaulis pertenuis(diametro 0,06-0,08 mm. metiens), radi- 



cellosus, basi prostratus et rhizomatosns, dein assurgens, 

 suberectus et foliosus, ramosus rainis paucis posticalilms 

 et plerumque ramis 1-2 subfloralibus (sub flore femineo 

 sterili)^ vel cauli conformibus vel parvifoliisflagelliformibus. 

 Gellulae caulis corticales liyaliaae. 



Folia hyalina, parva, oblique vel fere transverse fixa, 

 baud decurrentia, concava, sub-carinata, increscentia, 

 obovalo-vcl quadrato-cuncata, caulium sterilium remota, 

 patula, ad 0,15 mm. longa et 0,10-0, '2 mm. lata, cau- 

 lium fertilium magis adproximata, fere subconferta, pa- 

 tentia 0,20-0,25 mm. longa et 0,12-0,20 mm. lata (femi- 

 iieorum 2-3 suproma latiora). omnia incisura acuta biloba, 

 caulinm sterilium ad vel infra medium, ut et caulium ferti- 

 lium inferiora mediaque, 2-3 suprema autem vix ultra 

 tertium folii, lobis ovato-triangularibus acutissimis, plus 

 minus divergcntibus, margine irregulariter grossespinoso- 

 dcntatis, lobo utroque interdum (in foliis caubum femi- 

 neorum 2-3 supremis) incisuris 1-2 profundioribus ad 

 quartum vel quintum lobi in lobulos 2-3 minores diviso. 



Foliola band visa. 



Gellulae minutae, 0,012-0,015 mm. diametro metientes, 

 rotundato-quadratae, leptodermicae (baud mcrassatae). 



Flores dioici. Planta mascula minor parcissimeque 

 ■ ramosa. Androccinm paucijugum medium basimvc caulis 

 ramive tencns. Bracteae 0,10 mm. longa, ovato-rotundata, 

 valdc concavae, ad medium fere incisura angusta bilobae, 

 lobis acutis parallelis vel subincurvis, obtuse denticulatis 

 vel subintegris. Anlberidiasolitaria, ovali-glabosa. 



Flores feminei in ipso caule inque ramis longioribus 

 terminalibus. Bracteae propriae 2-3 miijugae, a toliis 

 supremis vulgo sat dislantes, foliis multo majores (0,30- 

 0,40 mm. longae), vix ad tertium.incisura lata acute bilobae, 

 e basi ad altitudinem incisurarum in excipulam angulato- 



