Explanation of Plate 18 



I. Otidea oxotica ochracea (Fries) Sace. 



a. Several plants natural size. 



b. Ascus and paraphysis X 800. 



c. Spores X 2000. 



II. Otidea leporixa (Batseh) Fuckel. 



a. Plants natural size. 



b. Ascus and paraphysis X 700. 

 e. One spore X 2000. 



166 



