Explanation of Plate 36 



I. Karschia taveliana E«hni. 



a. Plants natural size. 



b. Plants a little enlarged. 



c. Ascus with paraphyses and spores X 800. 



d. Portion of an empty ascus X 1000. 



e. Two spores X 1800. 



II. Hysteropatella clavispora (Peck) comb. nov. 



a. Plants natural size. 



b. Plants a little enlarged. 



c. Several plants showing different forms X 5. 



d. Ascus with paraphyses and spores X 800. 



e. Two spores X 1500. 



III. Patellaria tetraspora Massee & Morgan. 



a. Plants natural size. 



b. Ascus with spores X 1000. 



c. Plants X 3. 



156 



