5/8 



M A R S I L E A C E JE 



3. Portion of female 250, septa now incomplete : recepta- 

 cle solid, central tissue fucescent along the middle of 

 the brown parent cells. 



4. Parent cell represented detached, but they now adhere 

 to the surrounding tissue, and easily burst. 



5. Parents developing ; 1st. earlier, 2nd. division commen- 

 cing. 



6. Ditto later, the future spores are separating. 



7. One in iodine, 7#> 550. shews that the nuclei or spores 

 have an outer proper tegument. 



8. More advanced, shews that the parent cell becomes di- 

 vided, also it forms the mucilagino- hyaline coat of the 

 spore, or the mucilaginous opaque fuscous one of the 

 ripe one. 



9. Long section of male and female 1-10, but light fusces- 

 cent. 



10. Transverse of male near its immersed part. 250. 



11. Transverse ditto above 250. 



12. Portion of fascial lamina shewing it to be deliques- 

 cent. 550. 



13. Part of female, 250, the central tissue more discolored. 



14. Male and female more advanced. 



PI. CXVIII. {Leftside.) 



1. Front view of base of leaf, and male and female scale 

 represented as mostly removed. 



2. Long section of the same. 



3. Part of lamina of male shewing the grumous turgid 

 cells towards the centre. 



4. Parent cells just developing. 



5. Base of leaf more advanced, scale in situ. 



6. Ditto obliquely, scale reflexed, the male is seen to have 

 deliquesced nearly to the base. 



7. Another similar view but earlier, in this case, there was 

 a lamina, but this is the appearance under £ inch lens. 



8. Long section of 5. 



9. Parent cells, 1-250, 10 Ditto 550. 



