Plant Study: Sweet Lemon; Grapefruit; Pipona

Black ink, gray wash, and white gouache on blue-green antique laid paper

Watercolor over graphite on cream antique laid paper

Gray wash and brown ink on off-white antique laid paper, framing lines in brown ink; verso: brown ink

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

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

Pastel

Gray wash and black ink, over graphite on cream wove paper

Watercolor over graphite on cream antique laid paper

Ink on paper

Gray wash, black ink over graphite on cream wove paper

Brown ink and brown wash on cream paper

Gouache on paper