GEOIvOGY OF LA SALLE COUNTY. 



147 



SERIES II. ANGIOCARPI. 



TRIBE V. VERRUCx^RIACEI. ENDOCARPEI. 



ENDOCARPON, Hed^Y., Fr. Thallus foHaceous, or 

 crustaceous, peltate, apothecia imbedded, mi- 

 nute. Spores colorless. 



E. miniatum, L,, Scha^r. Tliallus cinereous, larg-e, 

 peltate, lobate-crenate, umbilically af&xed, un- 

 derside smooth or rvio-ose, fulvous, apothecia 

 numerous and minute, immersed, brownish. On 

 calcareous rocks. The species has a wide dis- 

 tribution ; is found in Europe and Japan, being- 

 used in the latter country as an article of diet. 

 The thallus is often one inch or more in diame- 

 ter. Abundant on Covel Creek. 



E. miniatum, L., Schaer., var. complicatum, Sch^r. 

 A polyphyllous form. Found on limestone rocks, 

 Deer Park. 



E. miniatum, L., Schaer., var. muhlenberg-ii, Ach. 

 Occurs with the first named and is scarcely dis- 

 tinct. 



E. hepaticum, Ach. Thallus fuscous, squamose, 

 small, round or ang-ular, apothecia numerous, 

 blackish. On calcareous earth. 



E. pusillum, Tuckerm. Thallus very small, g-reen- 

 ish, thin, apothecia minute, imbedded. Very 

 abundant throughout on various rocks and 

 stones. The g-enus Endocarpon was founded 

 upon this species. 



