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



24. Octaviania rosea Hk. 



Octaviania rosea Hk., Bull. Call. Acad. Sci., Vol. I, No. i, 1884, p. 29. 



Gregarious, peridium fibrillo-rugose, irregularly lobed, 1-3 cm. in diam., 

 with distinct absorbing base, pale rose color, deepening within; basidia 1-2- 

 spored; sterigmata filiform, capitate, as long as the diameter of the spore; 

 spores globose, hyaline, pale; epispore covered with short, obtuse spines, 

 i4-i7.«- 



Type^ No. 117, Harkness Coll. 



Under shrubby oaks, at Golden Gate Park, San Fran- 

 cisco, Calif., January. 



25. Octaviania mutabilis Roum. 



Octaviania mutabilis Roum., Revue Mycologique, Ann. VII, 1885, p. 23. 



Subglobulosa, alba, tactu vinosa, dein nigrescens, basi fibrillis albis instructa; 

 peridio separabili, tomento fugaci obtecto; gleba primum alba, dein, griseo- 

 brunnea; cellulis irregulariter rotundatis, albidis, saepe interruptis, centralibus 

 majoribus; sporis globulosis, 12-15// in diam., echinulatis, brunneis. 



No. 138, Harkness Coll. 



Under Arctostaphylos, Auburn, Placer County, Calif., 



March; Calistoga, Napa County, Calif., March. 



26. Octaviania socialis, sp. no v. 



Plate XLII, Figs. 5^-5^. 



Epigaeous, large, 8 cm. in diam., surface deeply furrowed, furrows extend- 

 ing to its base; base distinct, with numerous branching threads; gleba rose- 

 pink; cells irregular; spores globose, echinulate, having about ten pointed 

 projections on the circumference, 12-14 ^t in diam. 



Type, No. 232, Harkness Coll. 



In groups upon the surface of the ground beneath Ettca- 

 lypitis globulus, Belmont, San Mateo County, Calif., 

 January. 



27. Octaviania citrina, sp. no v. 



Globose, white; common integument flakey, imparting an earthy appear- 

 ance; absorbent base spongy; fibrillse wanting; gleba orange, cells irregular, 

 basidia prominent, 4-spored; spores stipitate, brown, globose, echinulate, 

 10-12 /x in diam. 



Type, No. 157, Harkness Coll. 



