Box.— Vol. I.] HA RKNESS— CALIFORNIA N HYPOGMI. 267 



Pseudohydnotrya Fischer. 



Pseudohydnotrya Fischer, Tuberineae in Engler & Prantl's Die Naturl. 

 Pflanzenf., Teil I, Abth i, p. 282. 



Fungus irregularly rounded, perforated by hollow labyrinth-like passages 

 and chambers which open out at sfeveral places on the surface of the fungus, 

 and the walls of which are covered by hymenium. Surface of fungus cov- 

 ered with a pseudo-parenchymatic, hairy peridium, which often penetrates 

 deeply into the interior chambers and then continues directly into the hymen- 

 ium. Hymenium consists of paraphyses and of asci arranged like palisades. 

 Paraphyses cylindrical, septate, at apex knob-like. Asci cylindrical or some- 

 what globular, 8-spored, spores ellipsoidal, smooth, without color, uniseriate 

 or seldom biseriate. (Translated from the original. ) 



70. Pseudohydnotrya Harknessii Fischer. 



Pseudohydnotrya Harknessii Fischer, Tuberineae in Engler & Prantl's 

 Die Naturl. Pflanzenf, Teil I, Abth i, p. 282. 



Asci 140-160 fi long, 20-28 II broad, generally 8-spored. Spores 25-28 jj. long, 

 14-18 /x broad. Paraphyses 7-14 m thick at the swollen end. (Translated from 

 the original.) 



No. I, Harkness Coll. 



Under shrubs among vegetable humus. Mill Valley, 

 Marin County, Calif., April. 



71. Pseudohydnotrya carnea, sp. nov. 



Plate XLIII, Figs. i6a-i6/5. 



Minute, 1.5 cm. in diam., common integument, color pale brown, subglo- 

 bose, irregular, slightly tomentose, chambered; gleba white; parenchyma 

 convolute; asci cylindrical, 125 /jt in length, 8-spored; spores ellipsoidal, white, 

 guttulate, 22 X 15 /x; paraphyses hidden. 



Type, No. 181, Harkness Coll. 



Among shrubs, Auburn, Placer County, Calif . ; May; 

 under oaks. Mill Valley, Marin County, Calif., April. 

 This species is much infested by a parasitic SphcBria. 



72. Pseudohydnotrya nigra, sp. nov. 



Large, 2 cm. in diam., color dark brown, inclosed, peridium loosely adhe- 

 rent, tomentose; gleba white; parenchyma convolute; asci 120x8/^; spores 

 guttulate. 



Type, No. 216, Harkness Coll. 



