180 FOUNDATIONS OF BOTANY 
Ameba form (so called from one of the most interesting and 
simplest of animals, the Ameba, found on the surface of 
Fic. 125.— A Slime Mould. (a-m, inclusive, x 540 times, 2 x 90 times.) 
mud and the leaves of water plants). In this condition, 
as shown at h, 7, k, the spores creep about over the sur- 
face of the decaying vegetable material on which the 
