Pyrenopeziza 225 



and a diameter of 15 ju; spores 2-seriate, ellipsoid, with two oil- 

 drops, 10 X 20 m; paraphyses stout. 



On dead stems of PotentiUa. 



Type locality: Red Mountain, Colorado, elevation 12,000 



feet. 



Distribution: Known only from the type locality. 



11. Pyrenopeziza Cephalanthi Fairman, Jour. Myc. 10: 229. 

 1904. 



Apothecia scattered, small, sessile, black outside, the margin 

 occasionally white; hymenium white at first, growing yellowish, 

 then black with age; asci clavate-cylindric, reaching a length of 

 60 n and a diameter of 6-7 n; spores cylindric, or elongate- 

 fusoid, 2-3 X 10-13 m with several oil-drops; paraphyses filiform. 



On dead limb of Cephalanthus occidentalis l>ing in a ditch. 



Type locality: Ridgway, New York. 



Distribution: Known only from the type locality. 



12. Pyrenopeziza calif ornica Sacc. Ann. Myc. 2: 15. 1904. 

 Pezizella californica Rehm, Ann. Myc. 5: 520. 1907. 



Apothecia superficial, gregarious, cyathiform, base contracted, 

 black outside and inside, smooth, when dry mouth contracted, 

 externally striate, .5-1 mm. in diameter, the margin conspicu- 

 ously laciniate; asci clavate, reaching a length of 50-68 n and a 

 diameter of 5.5-6.5 m, 8-spored; spores 1-seriate, ellipsoid, 

 3.5-4.5 X 9-12 m; paraphyses filiform, enlarged above. 



On dead stems of Linum Lewisii. 



Type locality: Mt. Eddy, Siskiyou Co., California. 



Distribution: Known only from the type locality. 



Saccardo suggests that this might be the type of a new genus 

 (Geasterina). 



13. Pyrenopeziza compressula Rehm in Rab. Krypt.-Fl. V: 618. 

 1892. 



Apothecia gregarious, at first globose and immersed, becoming 

 erumpent and sessile, cup-shaped, externally brown to brownish- 

 black, .1-.35 mm. in diameter; hymenium concave, gray, or 

 slightly rose-colored; asci clavate, reaching a length of 45-60 n 

 and a diameter of 5-6 m, 8-spored; spores fusoid, occasionally 

 slightly curved, 1.5-3 X 8-12 m; paraphyses filiform, 2 m in 

 diameter. 



