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



Collected at the following localities in California during 

 March: under oaks at Laundry Farm, Alameda County; 

 at Mill Valley and Kents, Marin County; amongst Sequoias 

 at Mt. Tamalpais. 



Previously collected at Tamalpais, Marin County, Calif., 

 and Alta, Placer County, Calif., May-July. 



31. Octaviania monticola, sp. nov. 

 Plate XLII, Figs. 3^-3^. 



Large, 3 cm. in diam., irregular, globose, rough, flexible, buff"; absorbent 

 base prominent, fibres uniting, with earthy particles enclosed; gleba spongy, 

 chestnut-brown; cells minute; basidia 4-spored, -spores ovate, echinulate, 

 10x12 II. 



Type, No. 13, Harkness Coll. 



Mountain regions in sandy soil, Auburn, Placer County, 



Calif., April. 



Hysterangium Vitt. 



Hysterangium Vitt., Monog. Tub., p. 13. 



Peridium entire, indehiscent, well marked, dissolving readily or splitting off 

 naturally, either thin or somewhat thickish, firm, fibrous or membranaceous, 

 provided with a mycelium; gleba perforated with cells which are at first hollow 

 but are at length somewhat filled up, small, rounded or narrowly linear; par- 

 titions of the cells of very unequal thickness, tough, bearing basidia on both 

 sides; basidia slender, generally 2-spored; spores ellipsoidal or lanceolate, 

 with short sterigmata, very abundant, smooth and usually pale-colored and 

 pellucid. Fungi of gregarious and hypogseous habits, of regular spherical 

 shape; polyrrhizous, with the abundant white mycelium which is floccose in 

 a peculiar fashion without being filamentous, either completely or partly cov- 

 ered, or at length attached to a nearly simple, rope-like mycelium and then 

 naked, monorrhizous; with a distinct odor when mature. (Translated from 

 the original. ) 



32. Hysterangium cinereum, sp. nov. 



Plate XLII, Figs. 2a-2b. 



Oblong-rotund, 5 cm. in diam., color brownish white, elastic, smooth; 

 gleba ashy, cut surface showing abundant veins irregular in outline; spores 

 elliptical, white, 6 x 14 /Lt. 



Type, No. 31, Harkness Coll. 



