166 ICONES MUSCORUM. 



sparsely papillose on the lower surface. In H. Whippleanum 

 the exannulate capsule is abruptly horizontal, the rostrum of the 

 operculum is shorter, the roughness of the pedicel is variable, 

 and the leaves are of a thicker texture, differently areolated, 

 strongly papillose, and with a pellucid costa reaching nearly to 

 the apex. 



TAB. 105. — Hyi>num Sullivantii. 



1, 2. Plantae feminese et mascula; naturali magnitudim 

 o. Hamulus. 

 4, 5, 6, 7, 8. Folia. 

 9, 10. Areolatio fblii baseos et apicis. 

 l], 12. Sectiones transversales ejusdem. 



13. Perichsetium. 



14. Folium ejusdem. 



15. 16. Capsular 



1 7. Particula peristoma. 



18. Eadem verticaliter secta. 



19. ( Operculum cum columella. 



20. Onrana mascula. 



