158 FRENCH MARKET-GARDENING 



require no special protection, nevertheless it is wise 

 to have a supply of straw or litter handy in case 

 of severe frosts, so that the plants can be covered 

 up when necessary. According to the prevailing 

 climatic conditions, the straw or litter is put on or 

 taken off, bearing in mind that the more the plants 



FIG. 46. WINTER TREMONT CABBAGE LETTUCE. 



are exposed to the light the better otherwise they 

 are apt to become pale in colour, and loose and flabby 

 in habit. 



II COS OR ROMAINE LETTUCES 



The Cos Lettuces are quite distinct in form from the 

 Cabbage varieties, and are always called " Romaines " 

 or " Chi cons " in France. There are many varieties, 

 the following being generally considered the best by 

 Parisian growers, viz. : 



1. Plate a cloches (syn. Dwarf Frame Cos Lettuce), 

 an early variety with leaves at first spreading. 



2. Blonde maraichere (syn. Paris White Cos), an 



