This item is in the "Blaschka archive".
Drawings folded along vertical edge with first drawing on p.  and second drawing on p. . Drawing on p.  is of sixteen views of mostly interior of plan with detailing in green; included are views of petals and stamen and a cross section of flower. Drawing on p.  is of two views of plant interior with minimal detailing in green.
This flowering shrub, commonly known as redoul, is similar in appearance to the blackberry but is toxic.
This drawing is part of a series of botanical drawings created by the Blaschkas to reference in constructing glass models for the Botanical Museum of Harvard University.
Digitized by Harvard Museum of Natural History 2006.
Some notations penciled in.