set of drawings common madder in different colors. hand drawn . latin name rubia tinctorum l

madder illustration plant drawing vector botanical engraved flora engraving natural art vintage botany tinctorum rubia flower nature black dyer floral white picture dye etching common rubiaceae antique ancient line drawn colourant isolated artwork medicine old leaves herbaceous element medicinal herbal seasonal hand summer medical environment healthy treatment herb set drawings different colors latin name colors illustration