Explanation of Plate 31 



I. ASCOBOLUS ■ IMMERSUS PerS. 



a. Several plants natural size. 



b. Mature and immature plants X 5. 

 e. Mature plant X 25. 



d. Asciis with spores and paraphyses just before maturity X 300. 



e. Mature spores showing markings X 600. 



II. ASCOBOLUS GLABER PerS. 



a. Several plants natural size. 



b. Mature plant with projecting asci X 20. 



e. Same as preceding removed from substratum. 



d. Ascus with mature spores and paraphyses X 400. 



e. Mature spores showing markings X 1200. 



192 



