Siberia, northern North America. Corn (field) _Zea Mays_ L. D Mexico, northwestern South America (?) Corn (sweet) _Zea Mays saccharata_ E Eastern North America, Sturt. New England. Cress (garden) _Lepidium sativum_ L. B Persia (?). Cress (water) _Radicula Nasturtium-aquaticum_ L. B Europe, northern Asia. Cucumber _Cucumis sativus_ L. A India. Cucumber (gherkin) _Cucumis Anguria_ L. F West Indies. Dandelion _Taraxacum officinale_ Weber C Europe and Asia. Egg plant (aubergine) _Solanum Melongena_ L. A India, East Indies. Endive _Cichorium Endiva_ L. C Mediterranean region, Caucasus, Turkestan. Garlic _Allium sativum_ L. B Kirghis desert region in Siberia. Horse-radish _Roripa Armoracea_ L. C Eastern temperate Europe, western Asia. Kale _Brassica oleracea_ var. _acephala_ DC. B Europe. Kohl-rabi _Brassica oleracea_ var. _Caulo-Rapa_ DC. B Europe. Leek _Allium Porrum_ L. B Mediterranean region, Egypt. Lentil _Lens esculenta_ Moench A Western temperate Asia, Greece. Lettuce _Lactuca sativa_ L. B Southern Europe, western Asia. Mushroom _Agaricus campestris_ L. C Northern hemisphere (Europe). Okra (gumbo) _Hibiscus esculentus_ L. C Tropical Africa. Onion _Allium Cepa_ L. A Persia, central Asia. Onion (Welsh) _Allium fistulosum_ L. C Siberia, Kirghis desert region to Lake Baikal. Parsley _Petroselinum Hortense_ Hoffm. C Southern Europe, Algeria, Lebanon. Parsnip _Pastinaca sativa_ L. C(?) Central and southern