Arboretum » Campus Plant Identification – Bernard Hall, Broad Center, Rodman Range and the Strip » Bernard Hall, north side – Trichocereus hybrids, Cercis occidentalis (Western redbud), Philadelphus lewisii (Mock orange) Bernard Hall, north side – Trichocereus hybrids, Cercis occidentalis (Western redbud), Philadelphus lewisii (Mock orange)