Chap. II. 



THE COMMON OXLIP. 



65 



were crossed in the course of four seasons. I may 

 mention, as a mere curiosity, that if any one were to 

 raise hybrids between two trimorphic heterostyled 

 species, he would have to make 90 distinct unions in 

 order to ascertain their fertility in all ways; and as he 

 would have to try at least 10 flowers in each case, he 

 would be compelled to fertilise 900 flowers and count 

 their seeds. This would probably exhaust the patience 

 of the most patient man. 



Table 14. 



Crosses inter se betiveen the two forms of the common 



Oxlip. 



Illegitimate union. 



Short-styled ox- 

 lip, by pollen of 

 short-styled ox- 

 lip: 20 flowers fer- 

 tilised, did not 



produce one cap- 

 sule. 



Legitimate union. 



Short-styled ox- 

 lip, by pollen of 

 long-styled oxlip : 

 10 flowers ferti- 

 lised, did not pro- 

 duce one capsule. 



Illegitimate union. 



Long-styled ox- 

 lip, by its own 

 pollen : 24 flowers 

 fertilised, pro- 

 duced five cap- 

 sules, containing 

 6, 10, 20, 8, and 14 

 seeds. Average 

 11.6. 



Legitimate union. 



Long-styled ox- 

 lip, by pollen of 

 short-styled ox- 

 lip : 10 flowers 

 fertilised, did not 

 produce one cap- 

 sule. 



Table 15. 



M 



Both forms of the Oxlip crossed with Pollen of both 



forms of the Cowslip, P. veris. 



Illegitimate union. 



Short-styled ox- 

 lip, by pollen of 

 short-styled cow- 

 slip : 18 flowers 

 fertilised, did not 

 produce one cap- 

 sule. 



Legitimate union. Illegitimate union. 



Short-styled ox- 

 lip, by pollen of 

 long-styled cow- 

 slip: 18flowersfer- 

 tilised, produced 

 three capsules, 

 containing 7, 3, 

 and 3 wretched 



seeds, apparently 

 incapable of ger- 

 mination. 



Long-styled ox- 

 lip, by pollen of 

 long-styled cow- 

 slip : 11 flowers 

 fertilised, pro- 

 duced one cap- 

 sule, containing 

 13 wretched seeds. 



Legitimate union. 



Long-styled ox- 

 lip, by pollen of 

 short-styled cow- 

 slip: 5 flowers fer- 

 tilised, produced 

 two capsules, con- 

 taining 21 and 28 

 very fine seeds. 





