PLATE XVII. 

 Tolypella intricata Leonhardi. 



FIG. 



1. Plant, half natural size, from Egham, Surrey. 



2-5. Apices of dactyls, x c. 20. 



6. Fruiting branchlet. x c. 20. 



7. Oogonium. x c. 40. 



8. Apex of oogonium with coronula. x c. 80. 



9. Oospore. x c. 40. 



