GENERAL PHYSIOLOGY OF FUNGI 



63 



Psalliola) campestris with a diameter of 8 cm. produced 1,800,000,000 

 ;pores, one of Coprinus comatus 5,000,000,000 and one of Polyporus 

 ■quamosus 11,000,000,000 spores. Buller has estimated that a large 

 ruit body of the giant puffball Lycoperdon hovista (40 X 28 X 20 cm.) 





Fig. 17. — Diagram of the discharge of spores from a fruit-body of Polystictus 

 'sicolor as seen by a beam of light. A stream of spores is carried round within 

 e beaker very slowly by convection currents and recorded. Reduced about 2/3 . 

 Ifter Buller: Researches on Fungi, 1909: 97.) 



intained 7,000,000,000,000 spores, or as many as 4000 mushrooms 

 the size above mentioned. 



Spores dropping from any fruit body which is suspended in a 

 3sed glass chamber can be seen in clouds, or individually, without the 



