ON THE BUXBAUMIA APHYLLA, 



Explanation of Plate XXI. 



. 1. A leaf about double the natural size. 



S. The first kind of leaf magnified. 



3. A leaf of the same kind more highly magnified.. 



4. The second kind of leaf highly magnified. 



5. The reticulations of the same very highly magnified. 



6. A section of a full sized, but not mature capsule, 



shewing the hollow communication between the 

 cervix, the globe, and the duct supporting the 

 seminal bag. 



7. Section of a young capsule just beginning to as- 



sume the gibbous character. When under the 

 microscope, the duct appeared to be continued 

 in the form of something like a columella, to 

 nearly the summit of the seminal bag, which 

 seemed to be enclosing it. It was also more 

 transparent than the rest. 



8. Section of the root, shewing the seta passing down 



and losing itself in the substance of the root ; 

 also the hollowness of the root towards its extrer 

 mity, and its division into a few large branches. 



9. View of a pistil growing by the side of an old seta, 



natural size. 



10. The same magnified. 



11. Plants of Buxbaumia, in different stages of growth, 



natural size. 



VOL. III. 



