Explanation of Plate 29 



I. Ascobolus carbonarius Karst. 



a. Group of plants showing habitat natural size. 



b. Several plants X -. 



c. Ascus and paraphyses X 500. 



d. Diagram section X 4. 



e. One spore showing markings X 1200. 



II. Ascobolus stercorarius (Bull.) Schroet. 



a. Group of plants natural size. 



b. Plants showing projecting asci X 3. 



c. Ascus and paraphysis X 400. 



d. One spore showing markings X 1200. 



e. Diagram section X 5. 



J 88 



