PLATE 31 



LECIDEACEAE— PARMELIACEAE 



(a. Habit; b. Ascus and paraphyses xSOO; separate spores xlOOO; 



c. Section of apothecium) 



1. Gyrophora vellea (L.) Ach. 



(Merrill T.ich. Exs. no. 45) 

 a. xl (Lind. Flecht. 130:148); detail of lobe 

 of thallus x5 



2. Umbilicaria pustulata (L.) Hoffm. 



(Dec. N. A. Lich. no. 15) 

 a. xl; detail of lobe of thallus x5 



3. Lecanora subfusca (L.) Ach. 



(Id. no. 22) 



c'. (Lind. lb. 166:209) 



4. Psoroma hypnorum (Dicks.) Hoffm. 



(Clem. Colo.) 



a. x5 



b. x500 



5. Icmadophila ericetorum (L.) Zahlbr. 



(Alerrill Lich. Exs. no. 9) 

 a. x5 



6. Diploschistes scruposus (L.) Norm. 



(Zahlbr. Nat. Pfl. p. 141, after Reinke) 



a. x5 (Merrill Lich. Exs. no. 102) 



b. x500 



7. Pertusaria bryontha (Ach.) Nyl. 



a xl (Lind. lb. 166:200) 



c. x30 (Zahlbr. lb, p. 218, after Reinke) 



8. Acarospora chlorophana (Wahlb.) Mass. 



(Clem., Colo.) 

 a. x5 



9. Thelotrema lepadinum Ach. 



(Zahlbr. lb. p. 138) 

 a. (After Reinke) 



10. Gyrostomum scyphuliferum (Ach.) Fr. 



(Merrill Lich. Exs. no. 35) 



a. xlO 



b. x500 



c. (Zahlbr. lb. p. 140) 



11. Gyalecta cupularis (Ehrh.) Fr. 



(Zahlbr. lb. p. 146, after Reinke) 

 b. (Lind. lb. 55:66) 



12. Lobaria pulmonaria (L.) Hoffm. 



a. xl (Dec. N. .'\. Lich. no. 16) 



b. (Zahlbr. lb. p. 184) 



