Chromosome Numbers in Compositae from Pakistan

Chromosome numbers of 82 taxa, belonging to 48 genera in ten tribes of the family Соки are reported from Pakistan.The chromosome numbers of 13 taxa the first time, including one new generic count ; 6 for L salsolioides, Conyza stricta var.pinnatifida, Grantia aucheri, apio pee E altaicus var.canescens, Launaea -€-and Phagnalon pycnophyllon; n = 10 for Blumea bovei and Sonchus lacnocephalus; and n = d for Scorzonera корана and Scorzonera tortuosissima.The ето counts for 31 other taxa аге п for the flora of Pakist Compo aH pas approximately 20,000 once preis were taken from Mee rary species and a 40% of these have been inves-unts, in all cases.Later on slides were made bon "rol Ne 1977).Very little acit in euparal or Canada balsam.tologic research has been carried out on the qc where to date chromosome OBSERVATIONS AND RESULTS niher for o only es (i.e., ca.11.0%) of the ca.30 78) fos the family hav А total of 140 chromosomal counts on ;