Comprehensive Description
provided by North American Flora
Creonectria atrofusca (Schw.) Seaver, Mycologia 1 : 186. 1909
Sphaeria atrofusca Schw. Trans. Am. Phil. Soc. II. 4 : 206. 1832. Neciria atrofusca Ellis & Ev. Jour. Myc. 1 : 140. 1885.
Stromata fleshy or subfleshy, rather dark-colored, erumpent but not rising much above
the surface of the bark ; perithecia in cespitose clusters on the stroma, the clusters variable
in size, averaging 1-2 mm. ; individual perithecia subglobose with a prominent papilliform
ostiolum, mostly collapsing when dry, dark-colored, nearly black in dried specimens,
brownish-black with transmitted light, small, mostly less than 200 /^ in diameter ; asci sub-
cylindric, 45-50 X 7 /i, 8-spored; spores partially 2-seriate above, 1-seriate below, hyaline,
1-septate, slightly constricted at the septum, subfusoid with the ends slightly narrowed.
On dead branches of Staphylea irifolia Iv. Type locality: Bethlehem, Pennsylvania. Distribution : Pennsylvania.
- bibliographic citation
- Fred Jay Seaver, Helen Letitia Palliser, David Griffiths. 1910. HYPOCREALES, FIMETARIALES. North American flora. vol 3(1). New York Botanical Garden, New York, NY