266 CALIFORNIA ACADEMY OF SCIENCES. [Proc. 3D Ser. 



Under shrubs in sandy soil, Auburn, Placer County, 

 Calif., December. 



Hydnobolites Tul. 



Hydnobolites Tul., Fungi Hypo., p. 126. 



Integument replaced by white, evanescent down. Hymenium complicated 

 with sinuous lacunjE, ending at the surface. Asci elliptic. Sporidia globose. 

 (Berk. Outlines Brit. Fung., p. 377.) 



68. Hydnobolites excavatum, sp. nov. 



I cm. in diam., color brown; peridium smooth; gleba brown, cavernous; 

 asci subrotund, 8-spored, 65x54/^; spores globose, 25 /z in diam. 

 Type, No. 189, Harkness Coll. 



Under vegetable humus in sandy ground, Auburn, Placer 

 County, Calif., May. 



Hydnotrya B & Br. 



Hydnotrya B. & Br., Ann. & Mag. Nat. Hist., ist Ser., Vol. XVHI, 1846, 

 p. 78. 



Common integument minutely papillose, not distinct. Hymenium compli- 

 cated with gyrose lacunae, leading to the surface. Asci oblong. Sporidia 

 globose, tuberculate. (Berk. Outlines Brit. Fung., p. 377.) 



69. Hydnotrya cerebriformis, sp. nov. 

 Plate XLIV, Figs. 190-19/ 



Large, 3 cm. in diam., color salmon, subrotund, smooth, brain-like mark- 

 ings upon the surface; gleba white or faintly citron, canals gjTOse; hymenium 

 covered with clavate villi between and extending beyond the asci; asci cylin- 

 drical, briefly stipitate; spores globose, brown, foveolate, 25 , a in diam. 



Type^ No. 37, Harkness Coll. 



Among fir trees, Donner Lake, Nevada County, Calif., 



July. 



The slight pits upon the spore give it a rough appearance. 



