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
Edward Bok became a major force in promoting the "bungalow", a style of residence which derived from India. Plans for these houses cost as little as a dollar, and the -story dwelling, some as small as 800 square feet, soon became a dominant form of new domestic architecture in the country. Some architects complained that by making building plans available on a mass basis, Bok was usurping their prerogatives, and some, such as Stanford White openly discouraged him – although White would later come around, writing I believe that Edward Bok has more completely influenced American domestic architecture for the better than