11. Soluble brown pigment only occasionall}^ produced; growth usually colorless; odor very strong. 73. Streptomyces odorifer. C. No soluble pigment produced in organic media. 1. Proteolytic action strong. a'. Growth yellowish to orange-brown. b^ Aerial mycelium white to rose-colored. 74. Streptomyces roseoflavus. h^. Growth only on potato and serum yellowish; aerial my- celium white. 75. Streptomyces putrificus. a*. Growth yellowish green to citron-yellow; aerial mycelium white to yellow to pinkish. 76. Streptomyces citreus. a'. Growth golden yellow to orange-colored; soluble pigment yel- low to orange; growth may also be red-brown and pigment orange. 77. Streptomyces fulvissimus. a*. Growth colorless to cream-colored; aerial mycelium scant, white. 78. Streptomyces chrysomallus. bi. Pigment on nutrient agar faint yellowish. 79. Streptomyces gougerotii. h^. No soluble pigment; forms oidiospores. 80. Streptomyces farinosus. b^ Pigment on synthetic media yellowish. 81. Streptomyces albidus. a*. Growth white to cream-colored; aerial mycelium flesh-colored to light cinnamon-colored. 82. Streptomyces cinnamoneus. a*. Growth on synthetic media dark to black to almost bluish black; aerial mycelium white to gray. b^ Soluble pigment produced on autolysis. 83. Streptomyces violaceoniger. b^. No soluble pigment. 84. Streptomyces gedanensis. aJ. Growth colorless to yellowish to olive-buff; aerial mycelium water-green. 85. Streptomyces griseus. a^. Growth bright orange to golden red; aerial mycelium white to yelow. 86. Streptomyces longissimus. a^. Growth yellow to olive-ocher; aerial mycelium mouse-gray. 87. Streptomyces olivaceus. a^". Growth yellow; aerial mycelium scant or rose-j^ellow. 88. Streptomyces microfiavus. a". Growth yellowish to brown to reddish brown. Aerial mj^celium white to mouse-gray. 89. Streptomyces cacaoi. a^2. Aerial mycelium white; conidia gray to dark gray. 90. Streptomyces marinus. 2. Proteolytic action limited. a'. Soluble pigment produced on synthetic agar.
