Camarosporium laburni Sacc. et Roum.
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PYCNIDIA (p) separate, immersed, subepidermal, globose to subglobose, dark brown to black, unilocular, 400-800 µm wide, with a single, circular, central, occasionally papillate ostiolum.
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all (w) thick, composed of thick-walled, dark brown, angular cells in the outer region and paler and thin-walled cells in the conidiogenous region.
Conidiophores absent.
Conidiogenous cells (cc) holoblastic, annellidic, discrete, indeterminate, smooth, hyaline, formed from the inner cells of the pycnidial wall.
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CONIDIA (c) ellipsoid, brown, muriform, with transverse, longitudinal, and oblique eusepta, smooth or verruculose, 10-22 x 6-13 µm.
HOST PLANT AND DISTRIBUTION. The host of the specimens of C. laburni presented here was Laburnum anagyroides Medik. (Madej 1974).
Camarosporium laburni has a world-wide distribution (Sivanesan 1984).
NOTES. The teleomorph C. laburni is Cucurbitaria laburni (Pers.: Fr.) de Not.
Camarosporium laburni is a saprobe occupying dead twigs of plants of the genera Cytisus and Laburnum (Sivanesan 1984).
REFERENCES
Madej T. 1974. Materialy do mikoflory roslin woj. szczecinskiego. Rozprawy nr 35. Akad. Roln. Szczecin.
Sivanesan A. 1984. The bitunicate ascomycetes and their anamorphs. J. Cramer. Fl-9490 Vaduz.
