Explanation of Plate Y. 



Sph^rospora coxfusa ( Cke. ) Sacc. 



Fig. i, a. Cups, natural size. 



Fig. i, b. One cup, x 3. 



Fig. i, c. Aseus and paraphysis, x 500. 



Fig. i, d. Hair from margin of cup, x 500. 



Fig. i, e. Diagram section, x 3. 



Fig. i, /. One spore removed, x 1200. 



XEOTIEI.LA LUTEO-PAI.LKNS ( Nyl. ) Sacc. 



Fig. ii, a. Several cups, natural size. 



Fig. ii, b. One cup, x 10. 



Fig. ii, c. Ascus and paraphysis, x 600. 



Fig. ii, d. Hair from cup, x 600. 



Fig. ii, c. Ascus to show operculum, x 1200. 



Fig. ii, f. Diagram section, x 10. 



Fig. ii, g. One spore, x 1500. 



