Comprehensive Description
provided by North American Flora
Hypocrea sulphurea (Schw.) Sacc. Syll. Fung. 2: 535. 1883
Sphaeria sulphurea Schw. Trans. Am. Phil. Soc. II. 4 : 193. 1832.
Stromata broadly effuse, forming irregular patches often several cm. in diameter, at first consisting of small tufts of white mycelium, the central part soon assuming a lemon-yellow color, at maturity consisting of a bright lemon-yellow stroma with a pale, whitish margin, the color in dried specimens fairly constant, rarely slightly faded; perithecia entirely immersed and appearing as minute glands, slightly darker than the stroma ; asci cylindric, 80-110^ in length ; spores about 4X5^, subglobose or commonly subcuboid from mutual pressure, granular within.
On bark of various kinds of trees and shrubs, Acer, Alnus, Salix, Tilia, etc., often on Exidia glandulosa (Bull.) Fries.
Type locality : Salem, North Carolina.
Distribution : Connecticut to North Dakota, Alabama, and South Carolina.
- 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
