APPENDIX 101'? 



5. Culture Solution V. (Rodhe, Symbol. Bot. Upsal, 10 (1): 1-149. 

 1948). 



* "The dissolution of CaCOs can be accelerated by bubbling through CO2." 



t 'The iron stock solution is autoclaved separately and is added to the sterile 

 culture solution. It must be kept in the dark." 



