A. LUISIER I LES MOUSSES DE MADÈRE 



113 



«Dioicum, foliis patentibus obovatis rigidis nervo crasso brevi- 

 ter excurrente mucronatis, margine crasso tereti superne parce in- 

 distincte denticulato, cellulis fere omnibus conformibus utriculo 

 repletis basi nec oblongis nec rectangularibus, theca in pedúnculo 

 elongato clavato-cylindracea pêndula, operculo cónico, peristomio 

 normali.» 



Mitten ajoute : «Like B. Donianum, Grev., in size and habit, 

 but with leaves tvvice as wide, having a firm terete margin, and 

 cells much smaller» (loc. cit.) — PI. (111). 



Bpyum canariense Brid. Mant. Musc. (18 19). 



Madère {Bourgeau, Johnson) ; Monte, Curral das Freiras (Ar- 

 mztage); Ribeiro de Santa Luzia, c. fr., 1500'; entre Fayal et 

 Santa Anna, stér. et c. fr. ; entre São Vicente et Seisal, c. fr. 

 (Fritzé). 



Açores, Canaries. 



Portugal, Corse. 



Bryum serrulatum Card. in Eight Ann. Rep. of the Missouri 

 Bot. Gard. p. 74, PI. II (1897). 



Funchal, c. fr. {Trelease, juin, 1896); Pico de S. João, c. fr. 

 [Menezes, janv. 1895). 



Voici la description originale de M. Cardot: 



«Dioicum, nitidum, lutescens. Caulis brevissimus, simplex vel 

 sub perichaetio innovans, vix 3-4 mill. altus. Folia in comam 

 densam congesta, mádida rosulatim patentia, sicca appressa, 

 superiora oblongo-lanceolata, breviter acuminata, costa excurrente 

 mucronata, 1,50-2 mill. longa, inferiora minora, angustiora, longius 

 acuminata, omnia marginibus e basi usque ad apicem versus an- 

 guste revolutis, superne minute sed distincte serrulata, costa basi 

 dilatata, breviter excurrente; cellulis oblongo-hexagonis, inferiori- 

 bus rectangulis. Folia perichaetialia externa comalibus subsimilia 

 sed integra vel subintegra, intima multo minora, longius acumi- 

 nata, marginibus planis integris. Capsula in pedicello rubello, 

 circa 15 millim. longo, inclinata vel subhorizontalis, obovato- 



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