Plant Study: Sweet Lemon; Grapefruit; Pipona

Transparent and opaque watercolor with gum additions and traces of graphite on off-white modern laid paper

Graphite and white chalk on cream antique laid paper prepared with brown wash

Watercolor over graphite on cream antique laid paper

Watercolor over graphite on cream antique laid paper

Watercolor over graphite on cream antique laid paper

Graphite and white chalk on cream antique laid paper prepared with brown wash

Gray wash and black ink over graphite on cream wove paper

Wash on paper

Red ink and red wash

Black chalk on cream antique laid paper

Transparent and opaque watercolor with black ink, gum additions and traces of graphite on off-white modern laid paper

Gray wash, black ink over graphite on cream wove paper