1 5° 



Mycologia 



Explanation of Plate 44 



1. Alectoria ochroleuca Cincinnati (Fr.) Nyl. Specimen in the herbarium 

 of the New York Botanical Garden. X t. 



2. Alectoria nigricans (Ach.) Nyl. from St. Michael's island, Alaska. Spe- 

 cimen in the herbarium of C. E. Cummings, Wellesley College. X §• 



3. Alectoria ochroleuca (Ehrh.) Nyl. from St. Michael's island, Alaska. 

 Specimen in the herbarium of C. E. Cummings, Wellesley College, X §• 



4. - Alectoria ochroleuca (Ehrh.) Nyl. showing apothecia. Specimen from 

 Norway in the National Herbarium. X i. 



5. Apothecia of Alectoria Freinontii Tuck, much enlarged. 



6. Apothecia of Alectoria sarmentosa (Ach.) much enlarged. 



7. Apothecia of Alectoria oregana Nyl. ex Tuck, much enlarged. 



Explanation of Plate 45 



1. Type of Alectoria divergens (Ach.) Nyl. in the Acharian Herbarium. 

 X 1. 



2. Type of Alectoria sarmentosa (Ach.) in the Acharian Herbarium. X 1. 



3. Type of Alectoria nigricans (Ach.) Nyl. in the Acharian Herbarium. 

 X 1. 



4. Acharian plate of Lichen sarmentosa, evidently drawn from type speci- 

 men. X 1. 



5. Dillenian plate of Usnea jubata on which Linnaeus based his species 

 Lichen jubatus. X 1. 



