EditorialGraceful spurge or hypericum-leaved spurge, Euphorbia hypericifolia. Handcoloured copperplate engraving by J. Swan after a botanical illustration by William Jackson Hooker from his own "Exotic Flora," Blackwood, Edinburgh, 1823. Hooker (1785-1865) was ...
EditorialGraceful spurge or hypericum-leaved spurge, Euphorbia hypericifolia. Handcoloured copperplate engraving by J. Swan after a botanical illustration by William Jackson Hooker from his own "Exotic Flora," Blackwood, Edinburgh, 1823. Hooker (1785-1865) was ...