EXPLAXATIOX OF PLATES. 



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Plate fier. 



I. 1. Goatbbeai'd with its cluster-cups (JEcidi/m Tra^i 

 2)ogoins). 



2. Fragment of same, slightly magnified. 



3. Section of cluster-cup, further magnified. 



4. Leaf of AVood Anemone with its cluster-cups {JHci- 

 d'lUM leucosperm nm ) . 



5. Portion of same, slightly magnified. 



6. Anemone cluster-cups, further magnified. 



7. Leaf of Berberry with cluster-cups {J^cidunu J]er- 

 beri(Ux). 



8. Cluster of cups from the Berberry, as seen with a 

 lens. 



9. Cluster-cups of Berberry, magnified. 



10. Nettle-stem distorted by growth of cluster-cups 

 {^cidlum TJrticfB). 



11. Nettle cluster-cups, magnified. 



II. 12. Leaf of Pilewort with groups of cluster-cups {JEcidium 

 Hanunculacearmi) . 



13. Group of cluster-cups from Pilewort, as seen with a 

 lens. 



14. Section of Pilewort cluster-cups, magnified. 



15. Bed straw cluster-cups {/Ecidiicm Galii) on the Great 

 Hedge Bedstraw. 



IG, Tip of leaflet with cluster of cups, viewed through a 

 lens. 



17. Bedstraw cluster-cup from same, magniOcd. 



18. Leaflets of Mountain-ash with horn-shaped cluster- 

 cups {Ixcestelia cornutd). 



10. Group of Mountain-ash cluster-cups, magnified. 



20. Pear-leaf with its cluster-cups [lloestelia cancellatu). 



21. Cluster-cup from the same, magnified. 

 23. Leaves and fruit of Hawthorn with lacerated cluster- 

 cups {Jladelia lacerata). 



23. Elongated cells formmg the walls of the cluster-cups, 



X 250. 

 21. Single cell, more highly magnified, with its parallel 



striae. 



