THE DESCRIPTION OF SOME VARIETIES OF HEAD LETTUCE

Sa？etak Examined were during three years (1960 - 1962) on the experiment plorts of the Institute for Horticulture of the Agriculture of the Agricultural Faculty in Zagreb, a number of sorts of the salad Lactuca sativa var. capitata of the type ？Maslenka“ and ？Kristalka“. Established was that at definite sowing and planting times under some morphological and biological characters (form and size of head, colors of head and seed, and length of the growing season also the resistance against a premature fructication under the conditions of North- western Croatia provided occurs. Of the investigated sorts provided for an early summer and summer production under the circumstances of North - western Croatia the following ones can be taken into consideration: ？Novosadska majska Maslenka“, ？Ljubljanska ledenka“, ？Cazart“ and ？Batavia Blonde Rouge“