26o CALIFORNIA ACADEMY OF SCIENCES. [Proc. 3D Ser. 



49. Melanogaster tuberiformis Cor da, 



Melanogaster tuberiformis Corda., in Sturm's Deutschl. Fl., Abth. Ill, 

 Heft II, X831, p. I, Tab. I. 



Hypogaeus rotundatus, fusco-cupreus, intus ater, radiculis fibrillosis atris 

 tectus; sporis atris obovatis, deorsum attenuatis. (Tul. Fungi Hypo., p. 95.) 



No. 5, Harkness Coli. 



Amongst small oaks, Mill Valley, Marin County, Calif., 



April. 



50. Melanogaster durissimus Cooke. 



Melanogaster durissimus Cooke., Grevillea, Vol. VHI, p. 94, 



Subglobosus, compressus, difformis aut sulcatus, laevis, durissimus, atro- 

 fuscus, demum nigrescens. Peridio crasso, subnitido; carne mire lacunoso, 

 ochraceo albo; lacunis majusculis, creberrimis, atris. Sporis oblongo-ellip- 

 ticis, inaequalibus, brunneis .005-.008X .0x33-. 005 mm. Odore fortissimo. 



No. 2id, Harkness Coll. 



Collected amongst oaks at the following localities in Cal- 

 ifornia during April: Auburn and Wire Bridge, Placer 

 County; Mt. Tamalpais and Sausalito, Marin County. 



51. Melanogaster aureus Tul. 



Melanogaster aureus Tul., Fungi Hypo., p. 97. 



Octaviania aurea Vitt., Monog. Tub., p. 20, Tab. HI, fig. 14. 



Oblongus uniformis, basi radicatus; peridio levi subalbido; carne primo 

 dura aurea, venis albidis (cellularum parietibus) variegata, demum molli et 

 nigrescente; cellulis subcavis. 



No. 68, Harkness Coll. 



Amongst oaks, Wire Bridge and Auburn, Placer County, 



Calif., February. 



52. Melanogaster sarcomelas Tul. 



Melanogaster sarcomelas Tul., Fungi Hypo., p. 96. 



Octaviania sarcomelas Vitt., Monog. Tub., p. 16, Tab. HI, fig. 3. 



Minor, difformis; peridio levi nigro; rfesticulis nullis; carne nigerrima uni- 

 colore; cellulis regularibus, substantia pultacea sporifera repletis; sporis oval- 

 ibus majusculis, levibus. 



No. 128, Harkness Coll. 



