42 CALIFORNIA ACADEMY OF SCIENCES. 



The relation of this fungus to the preceding is still in 

 doubt. I suspect it may be the same as that of Eurotium to 

 Aspergillus. 



Myriococcum sparsum. 



Perithecia scattered, yellowish brown. /* 170 — 180, sur- 

 rounded by scanty white subiculum : spores numerous, un- 

 equal-elliptic, hyaline, apiculate at each end, with a large 

 vacuole. yu7 — 9 X 4 — 6. 



On dead trunks of Acer macrophyllum, between the bark 

 and wood. Sunol, April. 2444. 



Lasiobotrys affinis. 



Hypophyllous, black, aggregated in circular groups 2 — 6 

 mm. in diameter, depressed, attached to radiating non-sep- 

 tate fibres : secondary perithecia reticulate, brown, globose, 

 /■i 70 — 100 : asci shortly stipitate, nearly cylindrical, j.i 60 — 

 70 x 12 — 14: sporidia fusoid, yellowish-brown, uniseptate, 

 with the septum near the larger end. /* 15 — 17 x 6 — 8. 



On living leaves of Lonicera hispidula. Tamalpais, June, 



2539. 

 Rosellinia (Coniochaeta) spinosa. 



Perithecia superficial, gregarious, globose, yu 300 in dia- 

 v meter, bearing numerous yellowish- white spines which are 

 very thick walled, inclosing a central canal filled with oil 

 globules, acuminate, often branching, 1 — 3 times, fx 200 — 

 300 X 18 — 22; asci 8-spored, cylindrical, 1-seriate, short-sti- 

 pitate, yu 50 x 12; paraphyses filiform; sporidia ovate-ellip- 

 tic, 2-celled; upper cell § — f the length of the spore, olive- 

 brown, with a large nucleus; lower cell conical, hyaline, 

 /*9 x 4, 



On decaying bark of Eucalyptus. San Francisco, Sept. 



2842. 

 Rosellinia (Coniochaeta) rhyncospora. 



Perithecia globose-conical, densely aggregated, superfi- 

 cial, covering large areas, studded all over with short black 

 spines; asci 8-spored, cylindrical, oblicp:iely 1-seriate, j-i 96 

 X 10, paraphyses filiform ; sporidia continuous, oval, or ellip- 



