— solenoceros, xlviii, 329.f
— spinosum, J. W. Bailey, xlvi, 139.f
Xanthidium, xli, 290.f
— ramosum, xli, 291.
—, xli, 291.f
Xanthiopyxis, sub-genus, xlviii, 327.f
Zygoceros bipons, xlviii, 329.f
— rhombus, J. W. Bailey, xlvi, 138.f
— Tuomeyi, J. W. Bailey, xlvi, 138.f