Theobroma cacao as culinary, purposes. Some mixtures included maize, chili, vanilla ("Vanilla planifolia"), and honey. Archaeological evidence for use of cacao, while relatively sparse, has come from the recovery of whole cacao beans at Uaxactun, Guatemala and from the preservation of wood fragments of the cacao tree at Belize sites including Cuello and Pulltrouser Swamp. In addition, analysis of residues from ceramic vessels has found traces of theobromine and caffeine in early formative vessels from Puerto Escondido, Honduras (1100–900 BC) and in middle formative vessels from Colha, Belize (600–400 BC) using similar techniques to those used to extract chocolate residues from four
Dresden Botanical Garden unusual "Quercus phellos" as well as "Corydalis nobilis", "Hamamelis", rhododendrons, magnolias, and so forth; a systematic section; an alpine garden collecting a variety of European high mountain plants, including gentian ("Gentiana"), species of saxifrage ("Saxifraga"), "Dianthus caryophyllus", numerous cruciferous plants and primroses; and a garden that contains poisonous, curative, and medicinal plants. The garden also contains five greenhouses of about 1,000 m² total area, containing some 3,000 species, as well as an aquatic greenhouse for "Victoria cruziana" and plants from tropical America including "Ananas comosus", "Tillandsia usneoides", "Theobroma cacao", epiphytic bromeliads, etc. The Great Tropical House (Paläotropis) contains tropical flora