(1) Institut für Botanik, Universität Wien, Rennweg 14, A-1030 Wien, Österreich
Abstract:
The following new hybrids are described:Euphrasia ×dilata = E. hirtella
Jordan exReuter ×alpina
Lam.;Euphrasia ×trikoviana = E. tricuspidata L. ×rostkoviana
Hayne. The chromosome number ofEuphrasia tricuspidata L. has been established for the first time: 2n = 22.