20 ICONES MUSCORUM. 



MICROMITRIUM, Austin. 



Capsula globosa, immersa, tenera, apiculata vel mutica, clausa 

 vel pressa in medio horizontaliter fatisceus, brevissime pedicel- 

 lata vel exacte sessilis. 



Calyptra minima, subdisciformis, stylidifera, arete adhserens. 



Flores synoici. 



Plantje minutissimae, in prothallio byssoideo diu persistente 

 nidulantes ; foliis ecostatis laxissime areolatis. 



Ephemera valde referens, distinctum tamen inflorescentia, 

 calyptrae forma, et minutie. 



MICROMITRIUM MEGALOSPORUM, Austin. 



Tab. 11. 



Plants minimae. Caulis perbrevis. 



Folia late ovato-lanceolata, obtuse serrata. 



Capsula apiculata, clausa, exacte sessilis ; vaginula majuscula 

 truncato-obovata ; calyptra concentrica ; sporis sublaevibus mag- 

 nis -j^ unc, diam. metientibus. 



MiCROMiTRiUM MEGALOSPORUM, Austin, Musc. Appalach. No. 47. 



Hab. With both congeneric species, very rare, Austin. This 

 species is easily distinguished from its congeners by its 

 broader slightly concave incurved leaves, the pale color of 

 the capsule, the size of the spores, etc. 



TAB. 11. — MiCROMTIRIUM MEGALOSPORUM. 



1. V\a.niai natxirali magnitudine. 6. Sectio longitudinalis capsulae. 



2. Plantae cum foliis et capsulis. 7, Calyptra. 



3. Capsulae libera;, folium pericliaj- 8. Folia. 



tiale, et calyptra. 9. Folium et ejusdcm areolatio. 



4. Capsula et ejusdem areolatio. 10. Antheridiura et paraphysis. 



5. Capsula fatiscens et sporse. 



