Comprehensive Description
provided by North American Flora
Physarum oblatum Macbr. Bull. Nat. Hist. Univ
Iowa 2: 384. 1893.
Craterium Maydis Morgan, Jour. Cine. Soc. Nat. Hist. 19: 15. 1896. Physarum Maydis Torrend, Broteria 7: 133. 1908.
Sporangia stalked, rarely sessile, globose or depressed-globose, 0.4-0.6 mm. in diameter, bright yellow or pale yellow; peridium membranous, roughened with clusters of yellow lime granules, the base tending to persist as an irregular cup ; stalk reddish-brown or smoky, translucent, slender, furrowed, mostly 1-3 times the diameter of the sporangium in height; columella none; capillitium composed of angular and branching yellow nodes, connected by hyaline or yellowish threads, sometimes badhamioid; spores blackish-brown in mass, violaceous-brown by transmitted light, minutely spinulose, 9-13 ju in diameter; Plasmodium bright yellowishgreen.
Type locality: Iowa.
Habitat: Dead leaves and herbaceous stems and wood. Distribution: Throughout North America; cosmopolitan.
- bibliographic citation
- George Willard Martin, Harold William Rickett. 1949. FUNGI; MYXOMYCETES; CERATIOMYXALES, LICEALES, TEICHIALES, STEMONITALES, PHYSARALES. North American flora. vol 1. New York Botanical Garden, New York, NY
Comprehensive Description
provided by North American Flora
Physarum oblatum Macbr. Bull. Nat. Hist. Univ
Iowa 2: 384. 1893.
Craterium Maydis Morgan, Jour. Cine. Soc. Nat. Hist. 19: 15. 1896. Physarum Maydis Torrend, Broteria 7: 133. 1908.
Sporangia stalked, rarely sessile, globose or depressed-globose, 0.4-0.6 mm. in diameter, bright yellow or pale yellow; peridium membranous, roughened with clusters of yellow lime granules, the base tending to persist as an irregular cup; stalk reddish-brown or smoky, translucent, slender, furrowed, mostly 1-3 times the diameter of the sporangium in height; columella none; capillitium composed of angular and branching yellow nodes, connected by hyaline or yellowish threads, sometimes badhamioid; spores blackish-brown in mass, violaceous-brown by transmitted light, minutely spinulose, 9-13 m in diameter; Plasmodium bright yellowishgreen.
Type locality: Iowa.
Habitat: Dead leaves and herbaceous stems and wood. Distribution: Throughout North America; cosmopolitan.
- bibliographic citation
- George Willard Martin, Harold William Rickett. 1949. FUNGI; MYXOMYCETES; CERATIOMYXALES, LICEALES, TEICHIALES, STEMONITALES, PHYSARALES. North American flora. vol 1. New York Botanical Garden, New York, NY