80 EXPLANATION OF PLATES. 



Fig. 3. Splicer op horon compressum, Ach. (p. 9.) 



A. Vertical section of apothecium. b. b. Sporidia. a. Medul- 

 lary layer, h. Asci. c. Torus, d. Sporidia discharged 

 of internal granular matter, e. Sporidia with internal 

 granular matter, f. Cortical layer. 



4. Endocarpon miniatum^ a. umbilicatumj Hook. 



(p. 11.) 



A. Vertical section of thallus and apothecium. b. Sporidia. 

 c. Perforated dark brown spot surmounting the peri- 

 thecium. a. Cortical layer, b. Green layer, c. Medul- 

 lary layer, d. Apothecium. e. Perithecium. /. Nucleus. 



Plate II. 



Fig. 1. Endocarpon miniatum, j3. complicatum, Hook. 



(p. 11.) 



a. Vertical section of thallus and apothecia. b. Sporidia. 

 a. Cortical layer, h. Green layer, c. Medullary layer. 

 d. Apothecium. e. Perithecium. /. Nucleus. 



2. Endocarpon leptophyllum, Ach. (p. 12.) 



A. Vertical section of thallus and apothecium. b. Sporidia. 

 a. Cortical layer, h. Green layer, c. Medullary layer. 

 d. Apothecium. e. Perithecium. /. Nucleus. 



3. Endocarpon eiiplocum, Ach. (p. 12.) 



A. Vertical section of thallus and apothecium. b. Sporidia. 

 a Cortical layer, h. Green layer, c. Medullary layer. 

 d. Apothecium. e. Perithecium. /. Nucleus. 



4. Endocarpon psoromoides, Hook. (p. 13.) 



A. Vertical section of thallus and apothecium. b. Sporidia. 

 c. Perforated dark brown spot surmounting the perithe- 

 cium. a. Cortical layer, h. Green layer, c. Medullary 

 layer, d. Apothecium. e. Perithecium. /. Nucleus. 



