Brassicaceae greens, Savoy, kohlrabi, and gai lan ("Brassica oleracea"), turnip, napa cabbage, bomdong, bok choy and rapini ("Brassica rapa"), rocket salad/arugula ("Eruca sativa"), garden cress ("Lepidium sativum"), watercress ("Nasturtium officinale") and radish ("Raphanus") and a few spices like horseradish ("Armoracia rusticana"), "Brassica", wasabi ("Eutrema japonicum"), white, Indian and black mustard ("Sinapis alba", "Brassica juncea" and "B. nigra" respectively). Vegetable oil is produced from the seeds of several species such as "Brassica napus" (rapeseed oil), perhaps providing the largest volume of vegetable oils of any species. Woad ("Isatis tinctoria") was used in the past to produce a blue textile dye (indigo), but
Hannes Bok glazing process, which was learned from his mentor, Maxfield Parrish. Bok shared one of the inaugural 1953 Hugo Awards for science fiction achievement (best Cover Artist). Today, Bok is best known for his cover art which appeared on various pulp and science fiction magazines, such as "Weird Tales", "Famous Fantastic Mysteries", "Other Worlds", "Super Science Stories", "Imagination", "Fantasy Fiction", "Planet Stories," "If", "Castle of Frankenstein" and "The Magazine of Fantasy & Science Fiction". Wayne Woodard (the name is sometimes mistakenly rendered as "Woodward") was born in Kansas City, Missouri. His parents divorced when he was five; and his father and