Bessie Slater's Beautiful 19th Century Ink and Watercolor Botany Chart: Stems, Appendages, Calices measuring and I look at a

and I look at a lot of them

I can't quite tell from the cover whether this belonged to Fern

5 1/16 x 1 7/8 and in good antique condition

rolled up inside

9 3/4" long x 5 1/8" wide x 2" tall

Bessie Slater's Beautiful 19th Century Ink and Watercolor Botany Chart: Stems, Appendages, Calices measuring and I look at aThis is one of a series of beautiful antique ink and watercolor charts listed today, all executed long ago by a Bessie Slater (I believe, signed on the back of one of them), for a botany class, I presume. Each one homes in on a different aspect or aspects this one detailing stems (scaly, hairy, etc), appendages (sheath, tendril, etc) and calices (imbricated, double calyx, etc with 30 different sorts described and carefully illustrated in watercolor.