No effect of Flt3L treatment on EPLM injected in vivo. Shown are cytogram displays of BM from one of 3 PBS (top panels) or Flt3L-treated (bottom panels) Ly5.2.C57Bl/6.Rag2^–/– mice injected 5 days previously with 10⁴ EPLM from C57Bl/6.Ly5.1 mice stained for Ly5.2 (horizontal scale) and either B220 (left panels) or CD19 (right panels). Figures in each panel represent the percent positive cells.