BOT.-VOL. I.] HARKNESS-CALIFORNIAN HYPOGAil. 253 



Collected under Arctostafhylos glaucus at the following 

 localities in California during April : Oat Hill Quicksilver 

 Mine, Solano County; Camp Taylor, Marin County; and 

 Calistoga, Napa County. 



28. Octaviania occidentalis, sp. nov. 



Plate XLII, Figs. \a-i,d. 



Large, 2.5 cm. in diam.; color white turning brown, semiglobose; common 

 integument flakey; absorbent base firm, terminating in branching fibrillar; 

 gleba white; cells oblong or subrotund, basidia 4-spored; spores briefly stip- 

 itate, white, globose, echinulate, having about twenty blunt projections on the 

 circumference, 14 ij. in diam. 



Type, No. 137, Harkness Coll. 



Wire Bridge, Placer County, Calif., March. 



At irregular intervals, a flasked-shaped cystidium which 

 springs from the parenchyma is to be found protruding 

 from amid the true basidia for a distance of 18 /* and termin- 

 ating in a conical point. These bodies are filled with what 

 appears to be crystals and are destitute of sporophores. 



29. Octaviania compacta TuL 



Octaviania compacta Tul., Fungi Hypo., p. 79. 



Minor, polyrrhiza, nivea; peridio moUiusculo insolubili tomentello-gossy- 

 pino; cellulis rotundis oblongisve, minutissimis, mox obliteratis, oppletis; 

 septis vix conspicuis; sporis innumeris minutissimis, sphsericis, scabriusculis, 

 flavidis, tandem ochraceo-auratis. 



No. 19, Harkness Coll. 



Under oaks at Wire Bridge, Placer County, Calif., April. 

 Collected by Chas. L. Phillips. Mill Valley, March. 



Previously collected at Tamalpais, Marin County, Calif., 

 and Blue Canon, Placer County, Calif., under leaves, May- 

 July- 



30. Octaviania Stephensii Tul. 



Octaviania Stephensii Tul., Fungi Hypo., p. 78. 



Hydnangium Stephensii Berk., Ann. & Mag. Nat. Hist., ist Ser., Vol. 



xni, p. 352, also Vol. xvni, p. 76. 



Irregular, oblong, externally rufous, plicato-rugose at the base, cribrose, 

 white within, milky, at length, when exposed to the air, rufous; spores globose, 

 at length echinulate. (Berk. Outlines Brit. Fung., p. 292.) 



No. 148, Harkness Coll. 



