Figure 2

Laticifer cells partially isolated from the rubber tree bark. (a–g) Primary laticifers unstained (a–c and e–f) or stained with iodine and bromine solution (d,g); (h–j) secondary laticifer cells unstained (h and i) or stained with iodine and bromine solution (j). Yellow arrows indicate primary laticifers; green arrows indicate intrusive growth by “budding;” blue arrows indicate laticifer branches; red arrows indicate linkage tubes between two laticifers.