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Updated: June 19, 2025
And that is saying a great deal." Young Richard De Vries, the professor's favorite nephew and adopted son, whose chief interest was athletics, but who had a very pretty side taste for verbal bouts, was sitting with the older men before a cheerful fire of logs in the chilly spring of 1917. He tucked one leg comfortably underneath him and leaned forward in his chair, lighting a fresh cigarette.
"Ah! there," said Baron de Vries, "you enter upon a terra incognita. No one can say what a woman sees in this man or in that. It's beyond our ken." He rose to take his leave, and Ste. Marie went with him to the door. "I've been asked to a sort of party at Stewart's rooms this week," Ste. Marie said. "I don't know whether I shall go or not. Probably not.
Concerning this matter Professor de Vries writes under date of Sept. 12, 1905: "The 'biennis' which I collected in America has proved to be a motley collection of forms, which at that time I had no means of distinguishing. No one of them, so far as they are now growing in my garden is identical with our biennis of the sand dunes." The same appears to be the case with O. muricata.
Ah!" she broke off, looking toward the doorway. "Here he comes now!" she said. "He's rather late. Who is the Spanish-looking man with him, I wonder? He's rather handsome, isn't he?" Baron de Vries moved a little forward to look, and exclaimed in his turn. He said: "Ah, I did not know he was returned to Paris. That is Ste. Marie."
The much heralded new "species" of de Vries and others are now known to be merely new factors cropping out; for though they remain constant and breed true, they obey Mendel's Law when crossed with their parental forms, and hence are merely the result of some new combination of factors which can be reproduced at will by using the same method of combination and segregation.
Darwin, he says, had already distinguished between variability and mutability; the former manifesting itself in gradual and isolated changes, the latter in saltatory changes on a larger scale. That fluctuating individual variations do occur De Vries admits, but only within narrow limits, never overstepping the type of the species.
Thus were planted the seeds of a representative democracy, in the year 1641, almost on the very spot where, a century and a half later, our great republic, founded upon similar principles, was inaugurated, when Washington took the oath of office as the first president of the United States. These twelve representatives of the people chose De Vries as president of their number.
And the state of equilibrium thus reached is such a relatively stable one that individual variations can only take place within its limits, but can in no way disturb it. De Vries marshals a series of facts which present insurmountable difficulties to the Darwinian theory, but afford corroboration of the Mutation theory.
But I go on. We all go on." Baron de Vries nodded his head strongly. "That, my dear child, is just what you must do," said he. "You must go on. That is what needs the real courage, and you have courage. I am not afraid for you. And sooner or later you will hear of him from him. It is impossible nowadays to disappear for very long. You will hear from him."
Thus the factor that causes rudimentary wings also produces sterility in females, general loss of vigour, and short hind legs. The facts to which I shall refer concerning Oenothera are for the most part quoted on the authority of Dr. The occurrence of mutations in Oenothera was first noticed by De Vries, the Dutch botanist, in the neighbourhood of Amsterdam in 1886.
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