. Cultural studies of species of Penicillium. Penicillium -- Cultures and culture media; Fungi -- Cultures and culture media. SPECIES FOBMING PINE SCLEROTIA. 79 media with cane sugar produce Bclerotia more aumerously and more quickly (5 da than without sugar. Butterfal as a sourceof carbonin Dox'sfluid, typical colonies. Milk, typical; curdling ( per cenl calcium chlorid added I in 9 days; digestion, Blow; color in milk, none. Pen n m X". 30. Colonics on sugar gelatin and potato or bean agar gray-green or green persistently, Burface growth mostly of crowded conidiophores and producing
. Cultural studies of species of Penicillium. Penicillium -- Cultures and culture media; Fungi -- Cultures and culture media. SPECIES FOBMING PINE SCLEROTIA. 79 media with cane sugar produce Bclerotia more aumerously and more quickly (5 da than without sugar. Butterfal as a sourceof carbonin Dox'sfluid, typical colonies. Milk, typical; curdling ( per cenl calcium chlorid added I in 9 days; digestion, Blow; color in milk, none. Pen n m X". 30. Colonics on sugar gelatin and potato or bean agar gray-green or green persistently, Burface growth mostly of crowded conidiophores and producing pink Bclerotia al the surface or parti) embedded in thesubstratum L50 300u in diameter, broadly spreading. Conidiophores from 240 525>, usually aboul 300/i, in length either arising separately from the substratum or as branches verj close to its surface. 30/z. Conidia elliptical or Bubglobose by 'â [â â oiZfi, withaslighl green- ish color. Colonics liquefy sugar gelatin rather -lowly, and give an acid reaction with Fig. M.âPenicilliuin No. 29: a, b, conidlophore and verticil of conidiiferous cells (X 'J00); c,d, e, germina- tion of conidia i < 900);/, g, h,j, sketches of conidia! fructifications i 04. CULTURAL HA l \ Color green or grayish green, persistently, with abundanl pink sclerotia; reverse UUColored; color in media, none. (>dor, none. Fifteen percent gelatin in water, typical; Liquefaction rather-low; litmus reac- tion acid. Potato agar and bean agar, typical. Potato plugs, typical. Cohn's solution, germination only. Synthetic fluid (Lox'si, carbon supplied as: Cane sugar, rich growth. Lactose 3 per cent, slowly typical colonies, acid reaction. Lactic acid per cent, weak growth. Levulose 3 per cent, medium growth. Galactose 3 per cent, typical. Gly- cerin :; per cent, very weak growth. Butterfat, slow , bul characterislic colonies. Milk, curdling ( per cent calcium chlorid added I in 9 days; digestion, slow but complete; color in milk,
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashi, bookyear1910
