Explanation of Plate 25 



Trichopeziza tili^ (Peck) Sacc. 



a. Plants natural size. 



b. Plants of different ages X 10. 



c. Hairs from exterior of cups showing markings. 



II. Trichopeziza comata (Schw.) Sace. 



a. Plants natural size. 



b. Two plants X 10. 



c. Hairs from exterior of cup. 



III. Dasyscypha nivea (Hedw.) Sacc. 



a. Plants natural size. 



b. Several plants X 10. 



c. Hairs from exterior of cups. 



d. Ascus with paraphyses and spores X 1000. 



e. Spores X 3000. 



152 



