A Serpentine Plant (Ophioxylum Serpentinum)

Red chalk over graphite on cream antique laid paper, with a framing line in brown ink over red chalk

Transparent watercolor over graphite on cream antique laid paper, with a framing line in black ink

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

Gray wash over graphite on cream antique laid paper

Brown and gray ink and brown wash over black chalk on cream antique laid paper, with a framing line in gray ink

Opaque watercolor with gum arabic on cream antique laid paper, framing line in black ink and shell gold

Black chalk on cream antique paid paper

Brown ink and brown wash over graphite on cream antique laid paper, with a framing line in graphite

Black ink and brown wash on cream antique laid paper

Black chalk and gray wash on off-white antique laid paper, framing line in black chalk along left and bottom margins and framing line in black ink along top and right margins; verso: red chalk [another hand?]

Brown wash, gray ink, and gray wash over traces of graphite on white antique laid paper, with a framing line in brown ink

Brown ink and gray wash over black chalk and graphite on cream antique laid paper, with a framing line in brown ink