FUNGI 



]\r.\ 



most of tliciii oiil (»r our carpets and lioincs with a \acuuiii 

 cleaner, but tliis \\(>nl(l not be worth oui while if it were 

 not for the fact that they are associated in the (hist with Ics> 

 reputable bacteria. 



There is just one point that we should learn in a wav we 

 can never foro-et. 11 ic skins of fruits, of course, art' c(»vcrc(l 



Fin. 1*4. Kxpi'iiiiu'iits in mnwiiii; yi'ast 



1, yoast i)liuit<Ml ill inolnsst's 1 part, water ."> parts, kt>i)t at iiioiu iriupfiiiiurr : 



'_', same, kept in dark: •>, i)laiitt'(l in tiltercd, Ixiilrd, or distilit'il watir: \. ««;niif 



as 1, not i)lanttMl : "t, sanu» as 1, kept in crafkfd icr 



witli yeasts and with spores of molds. This fact is rtdatcd it» 

 one of the large industries of the world — the picking, hand- 

 ling, and marketing of fruits. 



K\ I'KKi.MKX r 1. Have llic class collect a iniinl»fr of tin- fruits aviiil- 

 alilf at tiic season. Scrape the sui-face lightly with a sliar|i. clean scalpel 

 ]t(»iiit oi- kriife-ueedle (or wash with a tine l>nis!i iiiln a <lrn|i of water mi 



