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. 1. Leaf of Drosera filiformis. 
Fig. 2. Leaf of Drosera hybrida. 
Fig. 3. Leaf of Drosera intermedia. 
Fig. 4a. Gland cells of Drosera filiformis; 46 of D. hybrida; 4c of D. inier- 
media, all in vertical view. 
Figs. 5a, 54, 5c. Surface views of last. 
Fig. 62. Stoma of D. fliformis; 66 of D. hybrida; 6c, of D. intermedia. 
Fig. 72. Capitate glandular hair from sepal of D. filiformis; 76 do. do. of 
D. hybrida. 
