. Cultural studies of species of Penicillium. Penicillium -- Cultures and culture media; Fungi -- Cultures and culture media. PENICILLIUM NO. 28. 77 X? i I Ml I! \l. LATA. Color deep 'lull green; reverse cream, or Blight traces of pink or violet; color in media, none. ((dor, aone. Fifteen per cen! gelatin in water, .-low but typical; liquefaction, rather slow and variable; litmus reaction, acid. Potato and beau agar and potato plugs, typical, producing a very heavy layer of dark-green conidia when cane Bugar is added. Etau- 1 in's fluid, typical. Cohn's solution, germination only. Synthetic fl
. Cultural studies of species of Penicillium. Penicillium -- Cultures and culture media; Fungi -- Cultures and culture media. PENICILLIUM NO. 28. 77 X? i I Ml I! \l. LATA. Color deep 'lull green; reverse cream, or Blight traces of pink or violet; color in media, none. ((dor, aone. Fifteen per cen! gelatin in water, .-low but typical; liquefaction, rather slow and variable; litmus reaction, acid. Potato and beau agar and potato plugs, typical, producing a very heavy layer of dark-green conidia when cane Bugar is added. Etau- 1 in's fluid, typical. Cohn's solution, germination only. Synthetic fluid (Dox'g . carbon supplied as: Cane sugar, grows well up to 50 per cent solution with acid reaction. Lactose 3 percent, weak growth. Levulose 3 per cent, tj pical. ». in diameter, swelling to 5/i at apex, from aerial hyphse or ropes of hyphse. Conidial fructification a simple column. :!()()/( or even ">(>(>" in length by 10-15/i in diameter, produced from a single whorl of conidiiferous cells at the apex of the conidiophore. Conidia elliptical to globose, 2 3/zor2 by 3 in diameter, light yellowish green in mass, smooth. Colonic- liquefy Bugar gelatin. Litmus reaction strongly acid. (irow - readily upon all common media. Pound at Storrs, I onn . upon decaying mushroom. Very characteristic and read- ily recognized from others with related H I'n,. 33.—Penicillium No. 28: n, b, conidial fructifications each a single verticil (X 900); g, h, j. sketches of conidio- phores and fructification (X 140); /.', tip of conidiophore, swollen at apex, bases of lowesl two conidiiferous colls (X L,600 . i l III RAL OATA. Color gray-green; reverse yellow, or tan when sugar is present; color in i lia, more or less yellow, according to media. Fifteen per cenl gelatin in water, good growth, (dear croon; liquefaction Blow—2 weeks or more; litmus reaction acid. Potato agar, typical growth, acid reactions. Bean agar, typical growth, acid reactions. Rau
Size: 1222px × 2045px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashi, bookyear1910
