Between Drosera filiformis and D. intermedia. 99 



from D. filiformis, seems evidence that there is a marked pre- 

 potency of the chromatic substance of the other parent over 

 the average. It is not too much to hope that some of these 

 hypothetical problems may yet receive full verification. 



DESCRIPTION OF PLATE XII. 



Fig. I. Leaf of Dtosera Jiliformh. 



Fig. 2. Leaf of Drosera hybrida. 



Fig. 3. Leaf of Drosera intermedia. 



Fig. 4(2. Gland cells of Drosera filijormii; ij> of D. hybrida; 4c of D. inter- 

 media, all in vertical view. 



Figs. 5a, ^b, 5^-. Surface views of last. 



Fig. 6a. Stoma of D. filiformis; db of D. hybrida ; 6c, of D, intermedia. 



Fig. 7(7. Capitate glandular hair from sepal of D, filiformis; "jb do. do. of 

 D. hybrida. 



