. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 200 MANUAL OF POISONOUS PLANTS. Fig. 43. Black Mould, Mucor rhUsopodiformis. Branched conidiophores, large columella and discharged spores around the same. After I^ichtheim. Mucor Trichisi, Lucet and Costantin This differs from M. corymbifer in a few characteristics of sufficient im- portance to cause Lucet and Costantin to consider it a distinct species, U. Trichisi having larger spores which are 4 M in diameter and sporangia 35 /i
. A manual of poisonous plants, chiefly of eastern North America, with brief notes on economic and medicinal plants, and numerous illustrations. Poisonous plants. 200 MANUAL OF POISONOUS PLANTS. Fig. 43. Black Mould, Mucor rhUsopodiformis. Branched conidiophores, large columella and discharged spores around the same. After I^ichtheim. Mucor Trichisi, Lucet and Costantin This differs from M. corymbifer in a few characteristics of sufficient im- portance to cause Lucet and Costantin to consider it a distinct species, U. Trichisi having larger spores which are 4 M in diameter and sporangia 35 /i in diameter. It was isolated from epidermal scabs appearing on a horse affected with tinea, produced by Trichophyton minimum. The M. Regnieri described by the same authors is similar to the preceding. Mucor rhizopodiform,is, F. Cohn Mycelium at first snow-white then gray, conidiophore single or clustered, â brownish, 125 m long, small rhizoid processes, columella broad, constricted at the base; sporangia spherical, at maturity blackish, spores spherical colorless, 5-6 M in diameter. Closely allied to M. stolonifer or M. inaequalis. Distribution. Not uncommon on bread in Europe. Pathogenic properties. Pathogenic like the preceding. When introduced into the circulation of guinea pigs it produces inflammation and the tissues of the spleen, liver and intestines are found to contain the mycelium of the fungus. The animal becomes inactive, lies on its side and drops its head. Small masses of the mycelium may be found in the kidneys. Mucor pusillus, Lindt. Mycelium spreading, with numerous chlamydospores which are capable of germination; conidiophores generally branched; sporangia spherical, brownish, 30-40 M in diameter; spores ellipsoidal or spherical, 5-8 m long, 3-5 m in diameter; columella pear-shaped; zygospores seldom produced, spherical, 70-84 i« in dia- meter, roughened, chlamydospores abundantly produced: species capable of â changing cane sugar into invert sugar, produ
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