MUSHROOM GROWING 



Turkey. It would seem that the majority 

 are found in the spring, but Tirmania is re- 

 ported to be ripe in October. 



Distribution. The excellent descriptions 

 of Chatin were made from terfaz material 

 sent to him in general from the markets of 

 the countries in which they occur. So far 

 as one can judge several of the finest species 

 have never been collected in place by bo- 

 tanists until a visit to Tunis and Algeria by 

 Patouilliard in 1894. The reported oc- 

 currence of these fungi on the roots of cer- 

 tain Cistacece was doubtless known through 

 the Arab or other native fungus hunters. 

 In the spring of 1906 the writer had the 

 pleasure of collecting and studying these 

 plants in their native habitats in southwest- 

 ern Algeria. They were found for the 

 most part in the flat grazing lands adjacent 

 to small oueds, or stream beds (Plate XIII, 

 a). The soil in which they occur is in- 

 variably sandy, sometimes a rich sandy 

 loam, and the dominant vegetation consisted 

 of the composite weed Artemisia herba-alba 



214 



