15 



naturalized in damp waste places through the greater part CASE 

 of Europe. It is largely grown in gardens for use as a 5. 

 condiment, as well as in medicine. 



No. 35. Mustard. The pulverised seeds of ^rass/ca 

 alha^ Bpiss., and B. nigra, Koch ; the first, the White, 

 the second, the Black Mustard. They are annuals found 

 over a great part of Europe, the former being also found 

 in Asia Minor, Algeria, and China ; and the latter in Asia 

 Minor, Norih-West India, and North Africa. In this 

 country White Mustard is cultivated chiefly in Essex and 

 Cambridgeshire, and Black Mustard in Lincolnshire and 

 Yorkshire. Mustard of commerce, or Flour of Mustard, 

 is usually prepared from the mixed seeds. Besides the 

 use of Mustard as a condiment it is important as a 

 stimulant and powerful rubefacient. 



No. 36. A series of seeds of different forms (GUZERAT 

 Rape, etc.) of Brassica campestris, L., from various parts 

 of India. Largely grown for expressing oil for food 

 purposes. 



Observe seeds and Oil of Rape or CoLZA {Brassica 

 camjjestris, sub. sp. Napus, L.). Rape is grown in this 

 country as a green fodder, and on the Continent for the 

 oil expressed from the seeds. Used both for lamps and 

 lubricating purposes. 



No. 37. Models and drawings of Swede Turnips. 

 The fleshy tuberous roots of Brassica campestris, sub. sp. 

 ramjjestris, extensively cultivated under many varieties 

 for feeding cattle. 



No. 38. Common Turnip (Brassica campestris, sub. 

 sp. Rapa, L.). A hardy perennial found in corn fields 

 and similar places in this country. The root is hard and 

 woody in the wild state but becomes succulent under 

 cultivation. 



No. 39. Cabbage {Brassica oleracea, L.). In its wild CASE 

 state this is found on cliffs by the sea in several parts of 6. 

 England, but under cultivation it is well known in 

 many forms as Brussels Sprouts, Savoy, Cauliflower, 

 Kohlrabi, Broccoli, Red Cabbage, Scotch Kale, etc. 



