96 MEDICAL MYCOLOGY 



(3) Considering all proposals for the modification of the Rules 

 and reporting thereon to the next Congress. 



(4) Reporting on the effects of modifications of the Rules accepted 

 at the preceding Congress. 



Art. 74. These Rules can be modified only by competent persons at 

 an International Botanical Congress convened for the express purpose. 

 Modifications accepted at one Congress remain on trial until the next 

 Congress, at which they will receive sanction unless undesirable conse- 

 quences, reported to the Executive Committee, show need for further 

 amendment or rejection. 



*Appendix I. — Regulations for determining types. 

 *Appendix II. — Nomina conservanda familianim. 



Appendix III. — Nomina generica conservanda. 

 *Appendix IV. — Nomina ambigua. 

 *Appendix V. — Nomina dubia. 

 *Appendix VI. — Nomina confusa. 



*Appendix VII. — Representative Botanical Institutions recognized 

 under Art. 34. 



Appendix VIII. — Nomenclature of Garden Plants. 



♦Drafts of these Appendixes will be prepared for submission to the next Inter- 

 national Congress. 



