Belonium 171 



3. Belonium introspectum (Cooke) Sacc. Syll. Fung. 8: 498. 



1889. 



Peziza introspecta Cooke, Hedwigia 14: 84. 1875. 



Apothecia gregarious, or scattered, sessile, translucent, at 

 first hemispherical, finally expanded and nearly plane, .3-. 4 mm. 

 in diameter; asci clavate, 8-spored; spores fusiform, straight, or 

 curved, with four or five oil-drops, finally 5-septate, 8 X 40-50 y.; 

 paraph\ses filiform. 



On rotting wood. 



Type locality: New Jersey. 



Distribution: Known only from the type locality. 



4. Belonium tympanoides (Ellis & Ev.) Seaver, comb. nov. 

 Belonidium tympanoides Ellis & Ev. Proc. Acad. Sci. Phila. 1893: 149. 1893. 



Apothecia gregarious, fleshy, sessile, black, closed when dry, 

 hemispherical when fresh, .3-.5 mm. in diameter; hymenium 

 concave, pallid; asci clavate-cylindric, reaching a length of 80- 

 100 jx and a diameter of 12 m, 8-spored; spores ellipsoid-cylindric, 

 becoming many-septate, 2.5 X 40-60 m; paraphyses filiform, 

 curved at their apices. 



On rotten wood. 



Type locality: London, Canada. 



Distribution: Known only from the type locality. 



5. Belonium Parksi (Cash) Seaver, comb. nov. 

 Belonidium Parksi Cash, Mycologia 28: 248. 1936. 



Apothecia gregarious, cup-shaped, sessile, externally fuscous, 

 furfuraceous, the margin inrolled, hysteroid, triangular, or 

 irregularly folded; hymenium glaucous-green, drying chromium- 

 green; asci clavate-cylindric, narrowed above, gradually tapering 

 into a short stem, reaching a length of 65-80 fx and a diameter of 

 6-8 /x, 8-spored; spores fusoid, straight, or slightly curved, 

 obliquely 1 -seriate below, 2-seriate above, becoming 1-3-septate, 

 about 3 X 13 m; paraphyses filiform, slightly enlarged above, 

 1.5-2 11 thick. 



On decorticated stems of Vaccinium parvifolium, Rhamnus 

 purshiana, Garrya elliptica, Physocarpus capitatus and Castanop- 

 sis chrysophylla. 



Type locality: Humboldt Co., California. 



Distribution: California. • 



Illustrations: Mycologia 28: 250,/. 2. 



