14 STATE HORTICULTURAL SOCIETY 



93. 0. chrysoperma, Currey. 



On the inner bark of trees, especially oak ; not common. 



94. 0. ivrightii, Berk, and Curtis. 



Common on the inner side of bark of fallen trees. 



Perich^ena, Fries. 



95. P. depressa, Libert. 



In crevices and on the inside bark of fallen trees. 



96. P. corticalis, (Batsch) Rost. 

 Inner side of bark of fallen trees. 



Lachnobolus, Fries. 



97. L. occidentals, Macbr. 

 Not common. 



Arcyria, (Hill) Pers. 



98. A. nutans, (Bull.) Grev. 

 On fallen willows. 



99. A. incarnata, Persoon. 

 Common. 



100. A. denudata, (Linn.) Sheldon. 



To be found at all seasons on the lower side of fallen 

 sticks. 



101. A. cinerea, (Bull.) Pers. 



A very common little species, easily recognized by its 

 color and habit. 



102. A. digitata, (Schw.) Rost. 

 On rotten wood. 



102a. A. pomiformis, (Leers) Rost. 

 A minute, rare species. 

 Hemitrichia, Rost. 



103. H. vesparium, (Batsch) Macbr. 

 A common species on rotten wood. 



104. H. stipata, (Schw.) Macbr. 

 Not rare. 



105. H. intorta, Lister. 

 Rare. 



106. H. clavata, (Pers.) Rost. 

 Common. 



