Olive. — Acrasieae. 
PLATE 7. 
Fig. 89-93. Myxamoebae from a pseudoplasmodium of D. mucoroides. X 
2,330. 
Fig. 94. Pseudoplasmodium of Polysphondylium violaceum, viewed from above 
(partly diagrammatic). 
Fig. 95-96. Young pseudoplasmodium of Dictyostelium mucoroides. 
Fig. 97. Pseudoplasmodium of D. mucoroides pressed upon by a cover glass so 
as to show the stalk column in the axis. The mucus left behind by 
the colony is shown at the sinuses of the stalk. 
Fig. 98-103. Development of a pseudoplasmodium of D. purpureum, showing 
the spiral twist of the stalk. X 130. 
Fig. 104. A portion of the stalk of fig. 103, drawn at x. X 950. 
Fig. 105. Myxamoebae from a pseudoplasmodium separated by a mucous film. ^ 
X 1,430. 
Fig. 106. A portion of a stalk of D. mucoroides., showing the nuclei in the cells 
and the mucous covering of the stalk. X 2,330. 
