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Journal ArticleDOI

Studies in Viola, 2: Some irregularities in natural Viola hybrids

Philip G. Fothergill
- 01 May 1939 - 
- Vol. 21, Iss: 3, pp 153-176
TLDR
While s tudy ing the cytology of a Wild Popula t ion of Hybr ids between Viola tricolor L. and V. lutea HoDs some abnormal i t i es were noticed, but, as they had no connect ion with the object of the research then, they were left to be dealt with.
Abstract
While s tudy ing the cytology of a Wild Popula t ion of Hybr ids between Viola tricolor L. and V. lutea HoDs. some abnormal i t i es were noticed, but , as they had no connect ion with the object of the research then, they were left to be dealt wi th when t ime permi t ted . Recent ly these irregularit ies have been examined in detai l and the results are set down below. In a previous paper the author (FoTHERGILL, 1938) described the location and discussed the evidence for the hyb r i d i t y of these plants. Twentytwo plants were chosen at r a n d o m from a N a t u r a l Hybr id Popula t ion found growing at Bywell, Nor thumber l and . These p lan ts were named V.A . . . . . . V.V. Two plants, V.B.18. and V.B.19. were growing in a nea rby garden but had been t r ansp l an t ed from the

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Über das Antherentapetum mit besonderer Berücksichtigung seiner Kernzahl

TL;DR: In der vorliegenden Arbeit wurden zur Prufung der jungst aufgeworfenen Frage, ob dem Vorkommen des einkernigen Tapetums eine gewisse systematischen Bedeutung zukame, nicht nur die Angaben uber das Einkernige Tapetum (vgl. die Zusammenstellung S. 15−17) kritisch gesichtet, sondern auch alle Angabens uber e
References
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Journal ArticleDOI

The experimental formation of heteroploid plants in the genussolanum

TL;DR: The cytology of ha.ploid, dilfloid, triploid and totraploid S.' niffrum, S. niflrum, HETI'~IIOPr, OID 8o[, ,x . .xtf~ts . 1 6 9 A. ']Jim comparat.
Journal ArticleDOI

Studies in viola, 1: The cytology of a naturally-occurring population of hybrids betweenViola tricolor L. andViola lutea huds

Philip G. Fothergill
- 01 Jan 1938 - 
TL;DR: In this paper, the authors proposed a method to solve the problem of the problem: this paper ] of image generation. ]]... ]. ] ] ]..