Subclass. IL. Lrcu. ASCIOCARPI, Schrad. 
Ord. Enpocarrear. Fries, 
Gen. Pertusarta. DC, 
communis, DG, 
« _@. P. sorediata. Fries, 
« b. globulifera, Fries. 
« « ec. orbiculata, Fries, 
W. S. In corticibus variis; @. b. c. ZB, 
frequenter occurrunt in Ulmo, Salicibus, 
Pyris, etc. 
Ord. Vrarvcanreag. Fries. 
Gen. Verrucaria. Pers. 
rupestris. a, calciseda. Fries. ZB. In muris 
passim. 
alba, Schrad. ZB. frequens in cortice Ulmi, 
Salicum, etc. 
« _ B. (V.)laevigata. Pers. Crusta cartilaginea, 
laevigata (hypophloeode persistente), apo-= 
theciis minoribus. Fries. p. 444, ZB. In 
cortice Pop, moniliferae, 
epidermidis. Fries. ZB. In cortice laevigata 
Pop. albae, Betulae vulgaris. 
