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plow o1ul0l108g 
poe or0z0do041g 
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poe o110uelyy 
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plow oruieaq 
plow olulleuley 
plow oljeurey 
plow o1irusy 
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plo’ o110uev1yV 
prow orurdin, 
plo’ ous 
plow o1ulisnol;xeq 
plow oruryjeusy) 
plow orprusnsytd 
plow oruty[eza1H 
plow orurzaTH 
plow o19volld 
poe ormryequeg 
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The question of the value of chemical tests has long 
been one of contention, though, undoubtedly, they may 
often be helpful. When, as in the case of Ramalina sub- 
