Abstract.

Abstract.

Abstract.

Dahlia.

Lily, Lilium.

Witch Hazel, Hamamelis intermedia.

Tulip, Tulipa.

Tulip, Tulipa.

Scabious, Scabiosa columbaria.

Scabious, Scabiosa columbaria.

Rose, Rosa.

Forest pansy, Cercis canadensis.