FAMILY ACTINOMYCETACEAE 895 



II. Non-acid-fast organisms with weakly refractive cells; no distinct formation of 

 cocci. Constantly diastatic. 



A. Not proteolytic. 



1. Growth on agar pale cream. 



19. Nocardia mesenterica. 



2. Growth on agar yellow. 



20. Nocardia flava. 



3. Growth on agar green. 



21. Nocardia viridis. 



4. Growth on agar yellow-green. 



22. Nocardia citrea. 



5. Growth on agar pink to crimson. 



23. Nocardia madurae. 



6. Growth consistency soft, sparse aerial mycelium. 



24. Nocardia lutea. 



7. Growth consistency medium, good aerial mycelium. 



25. Nocardia blackwellii. 



8. Grood action on milk. Growth consistency firm, liberal, aerial myce- 



lium. 



26. Nocardia cuniculi. 



9. Deep brown pigment on protein media. 



27. Nocardia rangoonensis . 

 10. Light brown pigment on protein media. 



28. Nocardia caviae. 



B. Proteolytic. 



1. Growth on nutrient agar with rapid formation of unbranched diphthe- 



roid-like rods ; no typical cystites ; broth turbid. 



29. Nocardia actinomorpha. 



2. Growth on nutrient agar with extensive mycelia; simple unbranched 



rods not formed; cystites present. Broth clear. 



30. Nocardia flavescens. 



3. Colonies orange-yellow to orange-red, which may change to black. 



31. Nocardia maculata. 



4. Light brown pigment on protein media. 



32. Nocardia rhodnii. 



5. Green to greenish -brown pigment on protein media. 



33. Nocardia gardneri. 



1. Nocardia farcinica Trevisan. (Ba- perini, ibid.; Cladothrix farcinica Mace, 



cille du farcin, Nocard, Ann. Inst. Past., Traite de Bacteriologie, 3rd ed., 1894, 



;2, 1888, 293; Trevisan, I generi e le specie 1047; Streptothrix farcini bovis Kitt, 



delle Batteriacee, Milan, 1889, 9; (Sirepio- Bakterienkunde und pathologische 



trix farcinica Rossi Doria, Ann. d. 1st. Mikroskopie, Vienna, 3 Aufl., 1899, 511; 



d'Igi. Sper. Univ. di Roma, 1, 1891, 424; Bacteriurn nocardi Migula, Syst. d, 



Actinomyces farcinicus Gasperini, Ann. Bakt., 2, 1900, 345; Streptothrix nocardii 



1st. d'Igiene, Roma, ;2, 1892, 222; Oospora Foulerton, .Jour. Compt. Path, and 



farcinica Sauvageau and Radais, Ann. Therap., 14. 1901, 51; Discomyces far- 



Inst. Past., 6y 1892, 248; Actinomyces cinicus Gedoelst, Les champignons 



feom/amnicus Gasperini, Cent. f. Bakt., parasites de I'homme et des animaux 



15, 1894, 684; Bacillus farcinicus Gas- domestiques, Brussels, 1902, 167; Ac- 



