114 
C. E. Salmon. 
The number of the rays of the disc of P. Rhceas is more than 
in dubium : of 45 capsules from different plants of the former, 
seven had 9 rays, eight had 10, fifteen had 11, seven had 12, five 
had 13, two had 14, and one had 15. In P. dubium , similarly 
examined, one had 5, nine had 6, eleven had 7, twenty had 8 and four 
had 9. 
Thus, as far as these observations go, one may summarize— 
P. Rhceas , rays of disc 9-13 (15), dubium (5) 6-8 (9). 
Shape of ripe capsule. In P. Rhceas sub-rotund (Fig. 6) and all 
stages between that and the elongated obovoid form shown in Fig. 7. 
In dubium , clavate (Fig. 5), tapering from just below the summit. 
Seeds. I am unable to find any appreciable difference between 
the ripe seeds of P. Rhceas and dubium as regards size, colour, or 
sculpture. 
Upon examining closely, in the light of the above observations, 
specimens of the presumed hybrid (of which I found some half- 
dozen scattered examples) the following notes were made, and it 
will be seen that their characteristics belonged some to one parent, 
some to the other, whilst a few were perfectly intermediate in a 
most suggestive and instructive manner. 
Colour of Flower. This was of the pale dubium character. 
Buds. These seemed practically intermediate between P , 
Rhceas and dubium as regards shape and hairiness. They were 
broadest about the middle, slightly tapered to the apex and were 
rather smaller than those of dubium ; the surface was not so coarsely 
tuberculately-hairyas in Rhceas and the hairs were whiter (see Fig.l). 
Hairs on peduncles. These again were of an intermediate type ; 
whilst being abundant and white as in dubium , the Rhceas influence 
was evident in their not being closely appressed but standing away 
from the peduncles in an ascending-patent direction. This 
conspicuous feature enabled one to pick out the isolated examples 
of the hybrid along the cornfield margins at some distance, the light 
catching the abundant spreading white hairs in a remarkable way. 
Summit of peduncles. Again intermediate, the dilated summit 
being more or less equal in width to the base of the capsule. The 
carpophore is of the shorter dubium type. 
Anthers and pollen. Both showing the characters of P. dubium. 
Stigma disc. This combined the distinctive features of both 
parents, the colouring of the rays being dark as in P. Rhceas but 
their number—(5) 6-8 (9)—being entirely dubium in character. 
