MUSHROOM SPORE-PRINTS 



293 



served when lifting the pasteboard box which had 

 been placed above the mushroom to absolutely ex- 

 clude the air. The explanation was simple when I 

 discerned that the tapering elongation pointed direct- 

 ly to a tiny hole in the box barely 



Affected larger than a knitting-needle. 

 by a pin°hoIe ° .° ^ i • i 



draft The greatest portion of the myriads 



of spores are wafted to the ends of the 

 earth, and form an important element in the so-call- 

 ed " dust " so unwelcome to the tidy housewife. A 



FUNGUS SPORES 



sticky glass slide exposed to the deposit of such dust, 

 and placed beneath the microscope, will reveal many 

 fungus spores. The air is full of them. 



