TERATOLOGY IN PASSIFLORA 



201 



last two collections'' which show about the same proportion of 

 abnormalities. 



Comparing immature and mature fruits with regard to propor- 

 tion of abnormalities as an additional check on the conclusions 

 ♦drawn from successive series of mature fruits, we find that for 

 the collection of September 10-11, the percentage of abnormals 

 is (126 X 100)/1655 = 7.62% as against 11.62% for the matured 

 fruits. For the collection of September 26-27 the proportion is 

 (75 X 100) /652 = 11.50% as compared with 6.11%o for the ma- 

 tured series. Possibly the number in the immature series is not 

 large enough to give a trustworthy percentage. For the final col- 

 lection, October 6, the immature fruits have 121 abnormal out 

 of a total of 3580, or 3.38% as compared with 6.56% for the mature 

 fruits gathered at the same time. 



For the combined collections of September 26-27 and October 

 6, the immatm-e fruits show only 4.63% of abnormality as com- 

 pared with 6.25% for the mature fruits. 



The results for the plants grown with bone meal appear in 

 table 2. In essentials the results are in agreement with those 

 obtained from plants grown in ordinary soil. 



TABLE 2 



Comparing such series of immature and mature fruits as are 

 available in this culture we find that for the collections of Sep- 

 tember 1, 3 and 4 there are 172 abnormals among 2310 immature 

 fruits, or 7.45% as compared with 9.89% among the matured 

 fruits. For the collections made after September 22 the mature 



* Since it was sometimes impossible to gather the fruits from all the plants of 

 the culture on the same date, some of the groups in these tables contain those 

 gathered on several different days. 



