An interesting scientific image of "Alyssum Calycinum", a flowering plant in the mustard family known by several common names, including pale madwort and yellow alyssum.

Probably photographed by an amateur photographer through a microscope. Scientific notes on the verso in an unknown hand.

Printed on Velox photographic paper. This popular paper was invented by Leo Baekeland in 1893. Kodak discontinued the manufacture of Velox paper in 1968. Velox was the first commercially successful photographic paper.
The Velox logo on this print is an older one.

ca. 8 x 10,5 cm