Cenangium 299 



reaching a diameter of 2-5 mm. and of equal height, fleshy- 

 leathery, substipitate, exterior furfuraceous, dull purplish- 

 black to brownish-black when moist, darker when dry, margin 

 lacerate, becoming inrolled when dry and triangular or hysteroid ; 

 hymenium light ochraceous-buff ; asci cylindric, reaching a 

 length of 70-85 jjl and a diameter of 9-12 ji, 8-spored; spores 

 broad-ellipsoid, irregularly 1-seriate, hyaline, simple, containing 

 several granules, 5-8 X 9.5-11 ju; paraphyses hyaline, un- 

 branched, enlarged at their apices, 3-5 fj, in diameter. 



On dead twigs Finns nigra, P. Mugho, P. pungens, P. rigida, 

 P. virginiana, P. Taeda and P. sylvestris. 



Type locality: Sugar Loaf Mountain, Maryland, on Finns 

 nigra . 



Distribution: Maryland to Pennsylvania and Georgia. 



Illustrations: Mycologia 32: 729,/. I, A, B. 



3. Cenangium acuum Cooke & Peck; Cooke & Ellis, Grevillea 

 7:40. 1878. 



Peziza Pinastri Cooke & Peck; Cooke, Bull. Buffalo Soc. Nat. Sci. 1: 297. 



1875. Not Cenangium Pinastri Hazsl. 1887. 

 Mollisia Pinastri Sacc. Syll. Fung. 8: 327. 1889. 



Apothccia erumpent through the epidermis of the host, at 

 first closed, soon opening with an irregular aperture leaving the 

 margin irregularly toothed, externally reddish-brown, reaching 

 1 mm. in diameter; hymenium concave or nearly plane, lighter 

 than the outside of the apothecium; asci clavate, reaching a 

 length of 80-100 ji and a diameter of 8-10 m. tapering into an 

 abrupt, stem-like base, 8-spored; spores fusoid, 3-4 X 12 14 m; 

 paraphyses filiform, enlarged above, reaching a diameter of 2 3 ju. 



On needles of Finns Strohus and other species of Finns. 



Type locality: Albany County, New York. 



Distribution: New York and New Jersey to British Co- 

 lumbia; also in Europe. 



ExsiccATi: Ellis, N. Am. Fungi 367; Rehm, Ascom. 82Z 

 (from Newfield, N. J.), 82Z b (from Lake Huron, Ontario); 

 Sydow, Fungi Exotici Exsicc. 275 (from Lake Huron, Ontario) ; 

 Rab.-Winter, Fungi Eu. 3365 (from Newfield, N. J.); Ellis & Ev. 

 Fungi Columb. 642; Barth. Fungi Columb. 4705. 



Pezizella ontariensis seems to differ in the color and size of the 

 spores. However, it is suggestive of this species. 



