. Annual report of the New York State College of Agriculture at Cornell University and the Agricultural Experiment Station. New York State College of Agriculture; Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). Fungous Flora of the Soil 459 Colonies gray or weak blue-gray. Sporangiophores erect, up to 2 cm. high, sympodially branched with few long branches, ending in a sporangium. Side branches long (2-3 times as long as with M. sylvaticus), usually 600-1,500JU long by io-15/i thick, frequently more or less refiexed and ending in sporangia. Sporangia spher
. Annual report of the New York State College of Agriculture at Cornell University and the Agricultural Experiment Station. New York State College of Agriculture; Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). Fungous Flora of the Soil 459 Colonies gray or weak blue-gray. Sporangiophores erect, up to 2 cm. high, sympodially branched with few long branches, ending in a sporangium. Side branches long (2-3 times as long as with M. sylvaticus), usually 600-1,500JU long by io-15/i thick, frequently more or less refiexed and ending in sporangia. Sporangia spherical, 50-60 (-70)^1 in diameter, with quickly dissolving membrane. Columella ovate or suboval, almost always 3-6/z higher than broad, 27-33^ broad and 30-36/x high, with or without colorless contents and usually with an inconspicuous basal collar. Spores oval or ellipsoidal (larger With. ), 5-7 (-8) by (-6)/i- Zygospores unknown. Hab. Especially numerous in old decaying bark of conifers, and in old wood as well, seldom in the soil, Norway, Hagem. Mucor Jansseni Lendner, Bui. Herb. Boissier ser. 2,7:—. 1907. Les Mucorinees de la Suisse, 88-89. fig- JO- 1908. Sporangiophores 2-6 mm. high, branched in corymbs or sympodia with each branch ending in a sporangium, with membrane having oblique strias; sporangia dark bluish black, 50-70/i in diameter, with finely granu- lated, nondissolving, but fracturing, membrane; columella sometimes spherical with widened flat sessile base, sometimes more elongated and conical, dark black or grayish, maximum 30JU broad by 34/x long, the smaller proportionately longer, measuring 20^ broad by 26/x long; spores globose, generally 5 to 6ju in diameter, the smallest 3-4^1 in diameter. Hab. Soil of the Janssen Cabin, summit of Mt. Blanc, 4,810 m., summer 1906, Lendner. Mucor plumbeus Bonorden, Abh. Naturf. Gesell. Halle 8: 109. 1864. Syn Mucor spinosus van Tieghem, Ann. Sci. Nat. ser. 6, 4: 390. 1876. Mucor aspergilloides Zopf,
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