568 Curves of Compositae and Umbelliferae* 



COREOPSIS TINCTORIA. 



From which I have calculated the following values 



meter with them in 1892 and chose as seed-parents a 

 few examples on which I had seen 3 and 4 rayed in- 

 florescences. 



In 1893 I sowed 8 square meters with their seeds and 

 got 557 flowering plants; and made a curve of the num- 

 bers of rays of their primary heads. I chose a series 

 of plants with four-rayed inflorescences and when their 

 seeds were ripe made a further selection of three of them 

 which had exhibited the lowest numbers of rays in their 

 other inflorescences. 



From their seeds I raised, on 6 square meters, 152 

 flowering individuals. I again made a curve from their 



