Valerian (Valeriana officinalis): flowering plants. Colour process print, c. 1924.

[London], 10 May 1924.

1 print : process print, printed in colour ; image 14 x 8.9 cm

Nature pictures of ... Valeriana officinalis, Linn. n.o. Valerianaceae. common names: all heal; cat's valerian; common valerian; great wild valerian; vandal root; hardy or summer heliotrope; herb bennet; St. George's herb. French: valeriane officinale; herbe aux chats. German: baldrian; katzenkraut. part used: root. active principles: volatile oil (odour due to iso-valerianic acid), alkaloid, and glucoside

Wellcome Collection 25607i