-49- 



Figure 45. ORSV-inf ected Cattleya leaf cells 

 photographed with epif luorescence 

 optics, showing the specific 

 fluorescence from stacked-plate 

 inclusions treated with TRITC- 

 conjugated ORSV antiserum. 

 Bar = 5 /am. 



Figure 46. The same field of Fig. 45 photographed 

 with visible light. SI : Stacked-plate 

 inclusion. Bar = 5 Mm. 



