ioi4 Thompson.—On the Origin of the Multiseriate Ray. 
Fig. 15. The same. Tangential section of the adult wood, to show the absence of broad rays 
and presence of multiseriate type, x 45. 
Fig. 16. Cary a sp. Tangential section of seedling, showing presence of broad rays, x 45. 
Fig. 17. Casuarina equisetifolia. Tangential section close to the pith, showing broad ray. 
x 45 - 
Fig. 18. The same. Tangential section further from the pith than Fig. 17, to show the group 
of multiseriate rays resulting from the breaking up of a broad ray. x 45. 
Fig. 19. Fagus ferruginea. Tangential section near the pith, to show the broad unbroken 
rays, x 45. 
Fig. 20. The same. Tangential section, showing the vertical dissection of a broad ray by 
oblique fibres, x 45. 
Fig. 21. The same. Tangential section of adult wood, x 45. 
Fig. 22. Fagus sylvatica. Transverse section, showing oblique dissection of a broad ray. 
x 60. 
Fig. 23. Carpinus japonica . Transverse section of a seedling, showing a broad ray splitting 
into two of the multiseriate type, x 60. 
Fig. 24. Ostrya virginiana. Transverse section of the root of a seedling, showing a broad 
ray splitting into three of the multiseriate type, x 60. 
