Platte are Che primary source of food for sustaining human lize. 
Jebucy no lichens, one. of the first plant forms —o establish 
tteelf in a new habitat,. ie therefore of primary importance. The 
UN Vereity. OF tne North is proud to b6é part of this year's: Fieic 
exCuresson. Of the International Association for Lichenology and as 
such welcomes all delegates. 
pee PiOhhess of OUr sub-Continem’ 17 Jicien eoecies will make 
this excursion an exciting one. May this endeavour contribute to 
Bae compllation of 4 key Eor broper .tcdentification eft Saute 
BRivican liacrens. 
PROP A wd OOSTHUIZEN 
PrN ¢ FACULTY OF MATHEMATICS 
AND NATURAL SCIENCES 
