SPORES 



33 



normal size and divides, that is, it is an active growing cell 

 again. This process is called "germination" of the spore. 

 The point at which the spore capsule bursts to permit the 



Fig. 28. — Spores sho\\T[ng polar 

 germination. The lighter part of 

 the two organisms just below A 

 and B is the developing bacterium. 

 In the original slide the spore was 

 stained red and the developing 

 bacterium a faint blue. 



Fig. 29. — A spore showing equa- 

 torial germination. The spore in 

 the center of the field shows a rod 

 growing out of it laterally. In the 

 original slide the spore was stained 

 red and the developing bacterium 

 blue. 



new cell to emerge is characteristic for each kind of bac- 

 terium. It may be at the end when the germination is said 



Fig. 30. — Spores in the middle of 

 the rod without enlargement of the 

 rod. The lighter areas in the rods 

 are spores. 



Fig. 31. — Spores in the middle 

 of the rod with enlargement of the 

 rod around them. The lighter 

 areas in the rods are spores. 



to be polar (Fig. 28) . It may be from the middle of one 

 side which gives equatorial germination (Fig. 29). Rarely it 

 is diagonally from a point between the equator and the pole 

 3 



