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
Henri Bok Henri Bok Henri Bok (born 9 March 1950, Rotterdam) is a Dutch bass clarinetist known for his unique compositions. One of the 'Big Three' in bass clarinet history, Henri Bok is a very active worldwide ambassador of his beloved instrument, one to which he has devoted his life as a performer, teacher, improviser and composer. His unique rich and warm sound can be heard on numerous recordings. Bok is noted for his new sound combinations leading to unusual instrumental groups: Duo Contemporain (with marimba/vibraphone), Duo Novair (with accordion), Bass Instincts (with bass oboe), Duo Clarones (bass clarinet duo with Luis