Explanation of Plate XXIV. 



Bulgaria Rui-a Schw. 



Fig. I, a. A cluster of cups showing habitat, natural size. 

 Fig. i, b. One cup removed showing stem, natural size. 

 Fig. i, c. Ascus and paraphyses with spores, x 500. 



Bulgaria ixouixaxs Fries. 



Fig. II, a. Young and mature plants to show habitat, natural size. 



Fig. ii, b. One plant removed to show stem. 



Fig. ii, c. Ascus and paraphyses, x 750. 



Fig. ii, d. One spore with guttulse, x 2000. 



