Explanation of Plate IV. 

 Pyronema aurantio-rubrum {Fckl. ) Sacc. 



Fig. i, a. Group of plants, natural size. 



Fig. I, b. Same enlarged to show habitat. 



Fig. i, c. Two plants removed, x 10. 



Fig. i, d. Ascus and paraphyses, x 1200. 



Fig. I, e. One spore, x 2500. 



Pyronema melanoma (Fr. ) Fckl. 



Fig. ii, a. Group of plants, natural size. 



Fig. ii, b. Several cups enlarged, x 5. 



Fig.- ii, c. Ascus and paraphyses, x 700. 



Fig. ii, d. Spores with guttulae, x 1000. 



Fig. ii, f. Hair-like structure from cup, x Too. 



