Olive. — Acrasieae. 
PLATE 8. 
Fig. 107. End of a stalk of D. mucoroides^ with sorus of spores. X 050. 
Fig. 108. Fructification of I), hrevicaule. X 20. 
Fig. 109. Fructification of D. sphaerocephalum, showing branches. X 20. 
Fig. 110. Papilla at the distal portion of a pseudoplasmodium showing stalk 
formation in the apex; (a) — the mucous sheath deposited by the 
external undifferentiated myxamoebae of the pseudoplasmodium as 
they ascend the stalk, x 950. 
Fig. 111. Vacuolated cells in the mucus at the base of the stalk. X 950. 
Fig. 112-118. Development of the fructification of Polysphondylium violaceum. 
X 20. 
Fig. 118, a. A Dictyostelium-like fructification of P. violaceum. X 20. 
Fig. 119. A pseudobranch of P. pallidum showing the mucous sheath binding 
the base of the branch to the main axis. X 2,330. 
Fig. 120. Cells near the distal end of a branch of P. pallidum. X 2,330. 
