A Serpentine Plant (Ophioxylum Serpentinum)

Graphite and charcoal on cream antique laid paper

Brown wash on antique laid paper

Moistened black chalk and graphite on off-white antique laid paper

Reddish brown ink, gray wash, and black chalk on cream antique laid paper, framing line in brown ink

Black ink, gray and red wash, incised, on cream antique laid paper, with two framing lines in gray ink; verso: incised, with oil residue

Brown wash on antique laid paper

Brown ink, brown wash and transparent watercolor over graphite on off-white antique laid paper, two framing lines in black ink, in places superimposed

Black chalk and gray wash on off-white wove paper, with a framing line in black chalk

Black chalk, brown ink, and brown, gray, and rose wash on cream antique laid paper

Brown ink and gray wash over graphite on off-white antique laid paper

Transparent and opaque watercolor over graphite on off-white antique laid paper

Opaque and transparent watercolor on off-white antique laid paper, framing line in gray ink