176 



Mycologia 



25. Morchella semilibe'ra DC. 



On ground in prune orchard, Corvallis. April. Infrequent. Nos. 

 1 9 14, 19 1 6. 



26. Helvetia crispa Fries. 



In mixed woods, Corvallis. November. Infrequent. No. 2202. 



27. Helvetia elastic a Bull. 



On ground in coniferous forest, Corvallis. April. Infrequent. No. 

 1998. 



28. Helvetia lacunosa Afzel. 



On ground in coniferous forest, Corvallis and Mary's Peak. April. 

 No. 1764. 



This is the most common species of this order to be found in western 

 Oregon. It appears most profusely in the autumn. 



29. Helvetia infula Schaeff. 



On old log of Pseudotsuga taxifolia, on the east side of Alsea Moun- 

 tain. November. Not infrequent. Nos. 1798, 2196. 



30. Gyromitra esculenta (Pers.) Fries. 



Elgin, Union County. April to May. No. 2094. 



31. Spathularia clavata. (Schaeff.) Sacc. 



Very plentiful pn ground in coniferous woods, Mary's Peak. Novem- 

 ber. No. 1876. 



32. Trichoglossum hirsutum (Pers.) Boudier. 



In humus in open grassy woodlot north of Corvallis. April. Infre- 

 quent. No. 2004. 



This collection has uniformly 15-septate spores. The plants are black, 

 8-10 cm. high and solitary or gregarious. 



8. Family Tuberaceae 



33. Hydnotrya ellipsospora Gilkey. 



Under leaves of Quercus and Pseudotsuga, Corvallis. March. Rare. 

 No. 1901. 



34. Tuber candidum Harkness. 



On diggings of wood rat tinder oaks, on campus of McMinnville Col- 

 lege, McMinnville. December. This collection (No. 2164) was taken by 

 the writer and identified by Dr. Helen M. Gilkey. This is the most 

 common Tuber collected in California within the limited area of Alameda 

 and Placer Counties which hitherto has been its known limits of distribu- 

 tion. This is the first report of the species from Oregon. 



B AS IDIOM YCETES 

 1. Family Uredinaceae 



35. Puccinia Burnettii Griff. 



On Sidalcea, Linn County, east of Corvallis. July. No. 224S. 

 .36. Puccinia gigantispora Bubak. 



On Anemone, Mary's Peak. August. No. 2265. 

 37. Puccinia Lapsanae Fuckel. 



On Lapsona communis, Corvallis. August. No. 2245. 



