246 Carol. Muller. 



Habitatio. Brasilia, Rio de Janeiro, Corevea bona, ad vias 

 sylvestrcs, Aug. 1893: E. Ule, Coll. No. 1048; INIinas Geraes, Caraga, 

 in solo sylvestri, Martio 1892: idem, Coll. No. 1308. 



A Ph. sylvestri differ! foliorum formatione. 



28. Physcomitrium flavum n. sp.; monoicuni; pusillum ces- 

 pitulosum flavum; caulis simplex paucifolius subrosulatus; folia parvula 

 crecto-patula siccitate complicata nee crispula, e basi pro folio 

 longiuscula angustata sensim oblongo - ovata breviter acuminata, 

 cellula unica mucronata, firmiuscula parum carinato-concava, superne 

 cellulis protuberantibus majusculis grosse serrata, nervo angusto 

 laxe celluloso supra medium dissoluto exarata, e cellulis magnis 

 laxis fiavissimis pachydermis amplis hexagonis basin versus longion- 

 bus laxioribus grosse reticulata; theca in pedunculo breviusculo tenui 

 rubente erecta parvula , e coUo brevissimo oblonga macrostoma , 

 humore ampliusculo-urnigera. Caetera nulla. 



^ Habitatio. Brasilia, Sa. Catharina, Tubarao, in viris cavis, 

 Sept. 1889: E. Ule, Coll. No. 589. 



Foliis e basi angustata anguste ovatis firmis laxe cellulosis 

 fiavissimis atque theca parvula oblongo-ampullacea prima inspcctione 

 species propria pulchra. 



29. Physcomitrium sylvestre n. sp.; monoicum; perpusillum 



cespitulosum ; caulis simplex paucifolius robustiusculus; folia majus- 

 cula erecto-patula, e basi spathulata late ovata in acumen brevis- 

 simum cellulis laxis erectis protuberantibus serrato-dissolutum pro- 

 ducta complicatula tenera, nervo angusto dilute ferrugineo ante 

 apicem evanido vel in mucronem excedente exarata, e cellulis 

 teneris utriculo primordiali, tenero repletis mediocribus basin versus 

 longioribus laxioribus reticulata, theca in pedunculo perbrevi rubente 

 erecta majuscula, e collo brevi amplo-urnigcra fusca, operculo conico 

 in rostrum breve crassum rectum obtusum producto, calyptra glabra; 

 sporae magnae globosae. 



Habitatio. Brasilia, Sa. Catharina, in viis sylvcstribus monta- 

 nis Serrac do Oratorio prope Orleans, Sept. 1889: E. Ule, Coll. 

 No. 540; Tubarno, in solo culto, Octobri 1889: idem Coll. No. 591, 

 forma teneriore (sub Physcomitrio nano); Serra Geral, in terra 

 araucarleti, Majo 1890, sterile: E. Ule, Coll. No. 821 (sub Ph. 

 nano). 



Physcomitrii platyphylli veluti diminutiva species, parvi- 

 tatc surculi atque reticulatione minorc primo visu diversum. 



30. Physcomitrium serricolum n. sp.; monoicum; perpusillum 

 cespitosulum vel gregarium; caulis pcrbrevis paucifolius; folia e basi 

 longiuscula spathulato- ovata breviter acuminata mucronata, margine 

 cellulis longioribus angustioribus veluti angustissime marginatis ser- 

 rulala flaccidissima, nervo angustissimo flexuoso ante summitatem 



