 In deposit , the spores appear brown . Viewing them with a light microscope reveals finer details of their structure : they are roughly spherical but end abruptly in a small point , their surfaces are covered with small , wart @-@ like nodules , and their size is between 5 @.@ 0 – 5 @.@ 3 by 4 @.@ 0 – 4 @.@ 7 µm . The spores are in amyloid , meaning they do not absorb iodine when stained with Melzer 's reagent . 
 In deposit , the spores appear brown . Viewing them with a light microscope <a href='uninflect' title='1'><mark>reveals</mark></a> finer details of their structure : they are roughly spherical but end abruptly in a small point , their surfaces are covered with small , wart @-@ like nodules , and their size <a href='drop_aux' title='2'><mark>is</mark></a>between 5 @.@ 0 – 5 @.@ 3 by 4 @.@ 0 – 4 @.@ 7 µm . The spores are in amyloid , meaning they do not absorb <a href='negative_concord' title='3'><mark>iodine</mark></a> when stained with Melzer <a href='null_genetive' title='4'><mark>'s</mark></a>reagent . 
In deposit , the spores appear brown . Viewing them with a light microscope reveal finer details of their structure : they r roughly spherical but end abruptly in a small point , their surfaces are covered with small , wart @-@ like nodules , and their size between 5 @.@ 0 – 5 @.@ 3 by 4 @.@ 0 – 4 @.@ 7 µm . The spores arrn amyloid , meaning they do not absorb no iodine when stained wit Melzer  reagent .