1(30 



THE ACTINOMYCKTES, Vol. II 



b 1 . No green and yellow pigments 

 on malate and succinate media. 

 106. Streptomyces griseinus 

 i. Growth red or purple. 



39. Streptomyces californi- 

 cus 

 j. Growth colorless to black. 



a 1 . Aerial mycelium white to brown- 

 ish-gray. 



202. Streptomyces pyrido- 

 myceticus 

 b 1 . Aerial mycelium on synthetic 

 media dull gray. 



157. Streptomyces mita 

 kacnsis 

 k. Growth dark brown. 



a 1 . Sporophores produce spirals. 

 a 2 . Aerial mycelium white to 

 gray. 



a 3 . Growth on potato has 

 green tinge. 

 US. Streptomyces halstedii 

 b 3 . No green tinge on potato. 

 219. Streptomyces rutgers- 

 ensis 

 b 2 . Aerial mycelium olive-gray. 

 169. Streptomyces nodosus 

 b 1 . Sporophores straight. 



a 2 . Aerial mycelium gray-white. 

 91. Streptomyces fumosus 

 b 2 . Aerial mycelium dark gray. 

 136. Streptomyces lipmanii 

 1. Growth on synthetic media rose to 

 gray. 



212. Streptomyces roseodia- 

 staticus 

 m. Growth cream-colored to yellow or 

 yellow-orange. 



a 1 . Aerial mycelium on certain me- 

 dia white, moist with dark, 

 glistening patches. 



124. Streptomyces hygrosco 

 pie us 

 b 1 . Aerial mycelium white-yellow 

 to brownish-yellow. 



138. Streptomyces longis 

 poroflavus 

 c 1 . Aerial mycelium white. 



a 2 . Aerial mycelium present on 

 protein media. 



H . Streptomyces candidus 

 I) 2 . Aerial mycelium absent on 

 protein media. 

 178. Streptomyces omiyaen- 



d 1 . Aerial mycelium powdery white, 

 with yellow tinge. 

 a 2 . Little spiral formation. 



10. Streptoniyces albofla- 

 vus 

 b 2 . Abundant spiral formation. 

 43. Streptomyces canus 

 e 1 . Aerial mycelium gray. 



20. Streptomyces antimy- 

 coticus 

 n. Growth colorless to pinkish to 

 brown. 



159. Streptomyces naga- 

 nishii 

 o. Growth orange or red. 



a 1 . Growth yellowish to orange; 

 aerial mycelium seashell-pink. 

 a 2 . Produces antibacterial (neo- 

 mycin) and antifungal (fra- 

 dicin) antibiotics. 



88. Streptomyces frail me 

 I) 2 . Produces antiviral (luridin) 

 agent . 

 140. Streptomyces luridus 

 I) 1 . Growth rose to red; aerial my- 

 celium white. 



a 2 . Growth yellow to red; weak 

 proteolysis. 



13. Streptomyces albospor- 

 eus 

 b 2 . Growth pale pinkish-buff; 

 strong proteolysis. 



33. Streptomyces brasilien- 

 sis 

 c 1 . Growth pale rose to red; aerial 

 mycelium weakly developed, 

 velvety, rose-white. 



173. Streptomi/ccs oidio- 

 sporus 

 d 1 . Growth red; aerial mycelium 

 black. 



152. Streptomyces melano- 

 cyclus 

 p. Growth colorless, turning dark. 



69. Streptomyces endus 

 q. Growth becoming salmon-pink; 

 acid sensitive. 



217. Streptomyces rubescens 

 r. Growth green to dark green; aerial 

 mycelium whitish to grayish. 



245. Streptomyces viridis 

 s. Growth on blood agar brick-red. 



164. Streptomyces nitrifi- 



