Plate 50 



\r'' ^^ X 1200 



\, Jx (;oo 



. ' X 600 



LEPTORHAPHIS EPIDERMIDIS Th. Fr. 



a. Whole plant, b. Portion of tballus and perithecia. c. Vertical section of 



thallus, d. Vertical section of perithecium. c. Ascus and paraphyses. 



/. Spores. 



