Explanation of Plate 19 



I. Macropodia macropus (Pers.) Fuckel. 



a. Plants of different ages natural size. 



b. Ascus with paraphyses and spores X 300. 



c. One spore X 800. 



II. Acetabula sulcata (Pers.) Fuckel. 



a. One plant natural size. 



b. Ascus with paraphysis and spores X 400. 



c. One spore X 1200. 



III. Acetabulum acetabulum (L.) comb. nov. 



a. Two plants natural size. 



b. Ascus with paraphysis and spores X 500. 

 e. One spore X 1200. 



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