PLATE 32 



mm - 



§85 



- 3k <3.- 



i 



-\W 







190 



■>■; 



190 Dendrobium fitullayanum. Ti i tionofroot, bowing narrow velamen and small vascular cylinder. 



I'M Dendrobium nobile. The same, showing wide velan en and wide vasculni cylinder. 



1 92. I), ndrobium cybt U . The same, showing velamen . nd vascular cylinder in width between (he two parents. 



193. Dendrobium fuidlayanum Transverse section of leaf inidwaj between apex and base, showing deep 



large lower epidern :il cells and large bundle. 



194. D< ndrobium nobilt . The same, show ing slightlj larger tidges, large lower epidermal cells, and slightly smaller 



bundle. 



195. !>• ndrobium cybi h . The same, showing fainl ridges, smaller epidermal cells, and smaller bundle than in either 



parent . 



