26 V. F. Brotheeus. 



Bh. Kegelii (C.-Mll.) C.-Mull. Syn. II p. 325 (sub Hypno). 

 Prov. Minas Geras, Sitio, ad corticem arborum; fertile. 



Potamium Mitt. 



P. commutation (C.-Mill.) Mitt. Musci austro-americani p. 472. 

 Prov. Minas Geras, Sitio, ad ligna putrida; fertile. 



STEREODONTACEAE. 



Microthamnium Mitt. 



M. Widgrenii Angstr. Primae line p. 43. 



Rio de Janeiro, Sitio et Lafayette, ad ligna putrida; fertile. 



M. flavidum Angstr. 1. c. p. 43. 



Prov. Minas Geras, Sitio; fertile. 



Ectropothecium Mitt. 



E. Wainioi Broth. 



Autoicum; csespitosum, cspitibus densis, mollibus, lutescenti-viridibus, ni- 

 tidis; caulis flexuosus, dense foliosus, irregulariter dense pinnatus, ramis cras- 

 siusculis, insequalibus; folia falcata, in apice ramorum adunca, concava, lanceo- 

 lata, late cuspidata, niarginibus erectis, apice serrulatis, nervis binis brevibus 

 vel nullis, cellulis elongatis, angustissime linearibus, basilaribus brevioribus et 

 latioribus, infimis Iaxis, hyalinis, omnibus lsevissimis ; bracte perichiii exter- 

 nse e basi lata subito longe loriformi-attenuat, remote serrulat, laxius reticu- 

 latae, intimae multo minores et angustiores; seta ad 2,2 cm. usque alta, flexuosa, 

 basi ssepe genuflexa, 0,i7 0,i8 mm. crassa, rubra, lvissima; tl/eca pendula, 

 breviter subovato-oblonga, l,u mm. longa et 0,8 mm. crassa, collo nullo, sicca 

 sub ore haud constricta, fuscidula, l?evissima; peristommm duplex, exostomii 

 dents 0,57 mm. longi et 0,n mm. lati, lutescentes, dense lamellati, densissime 

 striati, linea mdia flexuosa notati, apice pallidi, scabridi; endostomitm sordide 

 lutescens, ubique minute panillosum, processus carinati, auguste perforati, cilia 

 nulla; spori 0,0125 mm., obscure virides, granulati; opereulum convexum, brc- 

 vissime rostratum, rostro obtuso, subobliquo. Calyptra ignota. 



Prov. Minas Geras, Lafayette, in terra argillosa. 



