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.—Hypnum Sullivantii.
1, 2. Plantæ femineæ et masculæ naturali magnitudine.
2. Ramulus.
4, 5, 6, 7, 8. Folia.
9, 10. Areolatio fblii baseos et apicis.
11, 12. Sectiones transversales ejusdem.
13. Perichætium.
14. Folium ejusdem.
15. 16. Capsulæ
17. Particula peristoma.
18. Eadem verticaliter secta.
19. Operculum cum columella.
20. Organa mascula.
