217 



Fig. 10. A single aerial root from the Avicennia-iiee shown in Fig. 9. 

 (Thornam del.) (about '/s nat. size.) 



Fig. 11. Young plant of Avicermia nitida Jacq. (Thornam del.) 



(about 'Is nat. size.) 



Botanisk Tidsskiift. 29. Bind. 15 



