10 STATE HORTICULTURAL SOCIETY 



DIDYMIUM, (Schrad.) Fr. 



39. D. crustaceum, Fries. 

 Rare. 



40. D. squamulosum, (Alb. and Schw.) Fries. 



Not uncommon in stable manure heaps, and on richly 

 manured lands. 



41. D. melanospermum, (Pers.) Macbr. 

 Common. 



42. D. minus, Lister. 



On rotten bark and stems, not common. 



43. D. clavus, (Alb. and Schw.) Eabenhorst. 

 Not common. 



44. D. nigripes, (Link) Fries. 

 Not common. 



45. D. xantkopus, (Ditmar) Fries. 

 On fallen sticks and leaves ; rare. 



DIDERMA, Persoon. 



46. D. reticulatum, (Rost.) Morgan. 

 Found in fallen dead twigs and leaves. 



47. D. globosum, Persoon. 

 Rare. 



48. D. crustaceum, Peck. 



Plasmodium develops in forests and orchards, among 

 decaying leaves. 



49. D. testaceum, (Schrad.) Pers. 

 On decaying leaves ; not common. 



50. D. hemisphericum, (Bull.) Home 



On fallen leaves of herbaceous plants; rare. 



51. D. stellar e, (Schrad.) Persoon. 

 Rare; on rotten logs. 



52. D. rugosum, (Rex.) Macbr. 

 Plasmodium gray. 



53. D. floriforme, (Bull.) Pers. 



On rotten oak logs; not common. 

 LEPIDODERMA, De Bary. 



54. L. tigrinum, (Schrad.) Rost. 

 On mossey logs; rare. 



