Explanation of Plate 24 



I. Chlorosplenium jeruginosum (CEaer) DeNotaris. 



a. Plants natural size. 



b. Two plants X 5. 



c. Aseus with paraphysis and spores X 1500. 



d. Spores X 3000. 



II. Chlorosplenium versiforme (Pers.) DeNotaris. 



a. Plants about natural size. 



b. Aseus with paraphysis and spores X 2000. 



c. Spores X 4000. 



III. Dasyscypha pygm^a (Fries) Sacc. 



a. Plants natural size. 



b. Several plants X 3. 



c. Aseus with paraphysis and spores X 1000. 



d. One spore X 3000. 



150 



