"Spiny leaves of barberry." -Bergen, 1896

Barberry Leaves

"Spiny leaves of barberry." -Bergen, 1896

"Leaf of a nighshade (Solanum atropurpureum)." -Bergen, 1896

Nightshade Leaf

"Leaf of a nighshade (Solanum atropurpureum)." -Bergen, 1896