Plate 18 



.♦V 



• • 



X. 



I • 



m « 



hr'Tn^T^-vr^r-, 



• ix'pvf- 



X35 



xiooo 



X600 



LECANACTIS PREMNEA Wedd. 



a. Plant on bark. h. Portion of thallus and apothecia. c. Vertical section of 



thallus. d. Vertical section of apothecia. e. Ascus and parapliysis. 



/. Spores. 



