Zeller: Contributions to Oregon Fungi 



177 



38. Polythelis thalictri (Cher.) Arthur. 



On Thalictrum occidentale, Corvallis. August. No. 2246, 



2. Family Ustilaginaceae 



39. Schizonella melanogrammia (DC.) Schroet. 



On Carex, Linn County, east of Corvallis. August. No. 2247. 



3. Family Tremellaceae 



40. Gyrocephalus rufus Bref. 



On humus in coniferous woods, Corvallis. October. Common. No. 

 2038. 



41. Tremella frondosa Fries. 



On oak stump, Corvallis. Infrequent. October to November. Nos. 

 2051, 2190. 



42. Tremella lutescens Pers. 



On stumps and fallen dead wood, Corvallis. Frequent. October to 

 November. 



43. Tremella mesenterica Retz. 



On oak stump, Corvallis. Infrequent. May. No. 1958. 



44. Naematelia encephala (Willd.) Fries. 



On Pseudotsuga and Abies, Corvallis. February. Frequent. Nos. 

 1894, 1901. This western variety is much larger than typical N. encephala 

 and the core is pure white. 



45. Exidia recisa Fries. 



On dead bark of apple and other deciduous trees, Corvallis. Novem- 

 ber. Infrequent. No. 1968. This species has a translucent wine color 

 and shades of brown. 



46. Exidia Zelleri Lloyd. 1 



On Sambucus glaucus, Corvallis. October. Infrequent. No. 1775. 

 " Plants applanate to gyrose, about 1 mm. thick, surface even ; color when 

 fresh pale purplish-gray, subtranslucent with faint violaceous cast, drying 

 darker. Papillae very few, scattered, globose. Basidia globose, hyaline, 

 12-14 (i, imbedded in a thin layer, close to surface. Spores 6x20 jx, 

 hyaline, curved or rarely straight." — Lloyd. This plant is very close to 

 Tremella violacea, according to Lloyd, but differs in size, size and shape 

 of spores, and in the fact that the basidia are embedded in a very thin 

 layer. 



47. Dacryomyces aurantia Schw. 



On fir stumps, Corvallis. May. Infrequent. No. 1957. 



' 2. Family Clavariaceae 



48. Sparassis radicata Weir. 



Parasitic on roots of Douglas fir, Philomath. November. Rather 

 frequent. No. 2163. 



49. Clavaria pistillaris Fries. 



On the ground in mixed woods, Mary's Peak, Tidewater and Corvallis. 

 December to June. Frequent. Nos. 1726, 1967. 



1 Lloyd, C. G. Mycological Notes 62: 931. 1920. 



