Chap. XV. NOT BLENDING. 71 



Clarke crossed the little, glabrous-leaved, annual stock (Mathiola), 

 with pollen of a large, red-flowered, rough-leaved, biennial stock, 

 called cocardeau by the French, and the result was that half the 

 seedlings had glabrous and the other half rough leaves, but none 

 had leaves in an intermediate state. That the glabrous seedlings 

 were the product of the rough-leaved variety, and not accidentally 

 of the mother-plant's own pollen, was shown by their tall and 

 strong habit of growth. 19 In the succeeding generations raised 

 from the rough-leaved crossed seedlings, some glabrous plants 

 appeared, showing that the glabrous character, though incapable 

 of blending with and modifying the rough leaves, was all the time 

 latent in this family of plants. The numerous plants formerly 

 referred to, which I raised from reciprocal crosses between the 

 peloric and common Antirrhinum, offer a nearly parallel case ; for 

 in the first generation all the plants resembled the common form, 

 and in the next generation, out of one hundred and thirty-seven 

 plants, two alone were in an intermediate condition, the others 

 perfectly resembling either the peloric or common form. Major 

 Trevor Clarke also fertilised the above-mentioned red-flowered 

 stock with pollen from the purple Queen stock, and about half the 

 seedlings scarcely differed in habit, and not at all in the red colour of 

 the flower, from the mother-plant, the other half bearing blossoms 

 of a rich purple, closely like those of the paternal plant. Gartner 

 crossed many white and yellow-flowered species and varieties of 

 Verbascum; and these colours were never blended, but the off- 

 spring bore either pure white or pure yellow blossoms ; the former 

 in the larger proportion. 20 Dr. Herbert raised many seedlings, as 

 he informed me, from Swedish turnips crossed by two other 

 varieties, and these never produced flowers of an intermediate tint, 

 but always like one of their parents. I fertilised the purple sweet- 

 pea (Lathyrus odoratus), which has a dark reddish-purple standard- 

 petal and violet-coloured wings and keel, with pollen of the painted 

 lady sweet-pea, which has a pale cherry-coloured standard, and 

 almost white wings and keel ; and from the same pod I twice 

 raised plants perfectly resembling both sorts ; the greater number 

 resembling the father. So perfect was the resemblance, that I 

 should have thought there had been some mistake, if the plants 

 which were at first identical with the paternal variety, namely, the 

 painted-lady, had not later in the season produced, as mentioned in 

 a former chapter, flowers blotched and streaked with dark purple. 

 I raised grandchildren and great-grandchildren from these crossed 

 plants, and they continued to resemble the painted-lady, but 

 during later generations became rather more blotched with purple, 

 yet none reverted completely to the original mother-plant, the purjjle 



19 ' Internat. Hort. and Bot. Con- diate tints from similar crosses in the 

 gress of London,' 1866. genus Verbascum. With respect to 



20 ' Bastarderzeugung,' s. 307. the turnips, see Herbert's ' Amaryiii- 

 Kolreuter ('Dritte Fortsetszung,' s. dacese,' 1837, p. 370. 



34, 39), however, obtained interme- 



