PLATE 3. 



Sarcina flava. De Bary, emended by Lehm. and Stu- 

 benrath. 



I. Gelatin stab culture, ten days at 22. 



II. Agar streak culture, six days at 22. 



III. Agar stab culture, six days at 22; stab canal. 



IV. Agar stab culture, six days at 22 ; surface growth. 

 V. Gelatin plate, five days at 22. Natural size. 



VI. Gelatin plate, five days at 22. X 60. Superficial 

 colony. 



VII. Agar plate, six days at 22. Natural size. 

 VIII. Agar plate, six days at 22. X 60. Upper colony 

 is superficial, lower ones are deep. 



IX. Potato culture, ten days at 22. 

 X. Microscopic preparation. Pure culture from an 

 agar plate. X 1000. Stained with fuchsin and differenti- 

 ated with acetic acid. 



XI. Microscopic preparation. Pure culture in bouillon ; 

 unstained. X 1000. 



XII. Sarcince forming bales of packets. (Single packets 

 regularly grouped together.) 



XIII. Sarcince in bunches of packets. (Single or irregular 

 packets, grouped together irregularly.) 



XII. XIII. 



