https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13957576Edit ImageSaveSaveEditCropCustom TextSkull-cap or helmet flower (Scutellaria sp.): flowering and fruiting stem with separate floral sections. Coloured etching by M. Bouchard, 1775.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 779 x 1200 px | 300 dpiLarge JPEG 1284 x 1978 px | 300 dpiFree DownloadSkull-cap or helmet flower (Scutellaria sp.): flowering and fruiting stem with separate floral sections. Coloured etching by M. Bouchard, 1775.More