Varieties of grass grass: woolly hells, wild siberian rye and perennial chaff. Coloured copper engraving, based on an illustration by Gottlieb Tobias Wilhelm (1758-1811), in Encyclopedie d'histoire naturelle, published in Vienna (Austria), 1816. Yorkshire fog grass, Holcus lanatus (9), Siberian wild rye, Elymus sibiricus (10), ryegrass, Lolium perenne (11). Handcolored copperplate engraving of a botanical illustration from G. T. Wilhelm's “” Unterhaltungen aus der Naturgeschichte”” (Encyclopedia of Natural History), Vienna, 1816. Gottlieb Tobias Wilhelm (1758-1811) was a Bavarian clergy and naturalist in Augsburg, where the first edition was published.