Coccus Bacteria

Spherical bacteria. Ord Ordinary Micro coccus species are very small; the cells on dividing soon become isolated. In Streptococcus, the cells remain attached in the necklace form. Diplococcus results from the temporary union of two cocci. In As coccus, the cocci form large hollow When the diplococcus form divides also at right an ma es. gles to the first plane of division, a tetrad results, called Me rismopedia ; when this divides so as to form a cube of eight cells, or of several eights, it is Sarcina . Streptococcus cells surrounded by a firm gelatinous envelope are the genus Leuco nostoc.