158 



THE ACTINOMYCETES, Vol. II 



b 1 . Gelatin slowly liquefied. 



50. Streptomyces chibaen- 

 s is 



5. Soluble pigment yellowish to yellow- 

 green. 



a. Aerial mycelium white. 



51. Streptomyces chryso- 

 mallus 



b. Aerial mycelium white to yellow. 

 a 1 . Growth yellowish to green. 



134. Streptomyces lieskt i 

 b 1 . Growth yellow, becoming black. 



135. Streptomyces limosus 



c. Aerial mycelium gray. 



a 1 . Growth on sucrose nitrate agar 

 yellowish-green. 



85. Streptomyces fiavovi- 

 rens 

 b 1 . Growth on sucrose nitrate agar 

 yellow. 



47. Streptomyces cellulo- 

 flavus 



6. Soluble pigment yellowish-brown to 

 reddish-brown. 



a. Growth cream-colored. 



a 1 . Sporophores flexible and hooked. 

 112. Streptomyces griseolu- 

 teus 

 b 1 . Sporophores produced in clus- 

 ters. 



165. Streptomyces nitrospo- 

 reus 



b. Growth has rosy tinge. 



204. Streptomyces ramnaii 



c. Growth yellowish. 



17. Streptomyces ambofa 

 dens 



d. Growth has reddish tone. 



191. Streptomyces pluricolor- 



i seeus 



e. Growth becoming red. 



a 1 . Aerial mycelium white. 



70. Streptomyces eryth- 

 raeus 

 b 1 . Aerial mycelium white to gray 

 with greenish tinge. 



205. Streptomyces ramulo- 

 sus 



c 1 . Aerial mycelium mouse-gray to 

 drab. 



83. Streptomyces flavogri- 

 seus 

 d 1 . Aerial mycelium white to gray 

 to olive-buff. 



224. Streptomyces setonii 



7. Soluble pigment in synthetic media 

 brown. 



a. Growth coral-red. 



24. Streptomyces aurantia- 

 cus 

 1). ( iiowth yellow. 



32. Streptomyces bottro- 

 perisis 



c. Growth yellowish-brown 



3. Streptomyces achromo- 

 genes 



d. Growth brown to purplish. 



16. Streptomyces althioti- 

 cus 



e. Growth black. 



162. Streptomyces niger. 



8. Soluble pigment on potato plug brown 

 to brownish-red to reddish-purple. 



a. Growth on potato greenish-colored. 

 a 1 . Spirals formed. 



65. Streptomyces diastati- 

 cus 

 b 1 . No spirals. 



142. Streptomyces lyi/icus 



b. Growth on potato gray; no spirals 

 formed. 



42. Streptomyces canescus 



c. Growth on potato yellowish-colored. 

 a 1 . Aerial mycelium white. 



87. Streptomyces flocculus 

 I) 1 . Aerial mycelium gray to yellow- 

 ish. 

 a 2 . Growth cream-colored. 



80. Streptomyces fimica- 

 rius 

 b 2 . Growth yellow brown. 



75. Streptomyces felleus 



d. Growth on potato yellow turning 

 white. 



147. Streptomyces marinoli- 



))IOSUS 



e. Growth on potato pink to reddish- 

 purple. 



a 1 . Sporophores produce spirals. 

 a 2 . Aerial mycelium cinnamon 

 to drab-gray. 



170. Streptomyces noursei 

 I) 2 . Aerial mycelium gray. 



11. Streptomyces albogri- 

 seolus 

 I) 1 . Sporophores both straight and 

 spiral-forming. 



228. Streptomyces spiralis 

 c 1 . Growth on various media yellow- 

 orange to brown. 



89 Streptomyces fragilis 



