Many thanks for all the advice about lights for my pinguicula
collection. Looking at the leaves they desperately need some tubes.
new address:
Menno Sasker
Socratesstr. 170
3076 BZ Rotterdam
Holland.
Leendert Hamoen
Department of Genetics
University of Groningen
Kerklaan 30
9751 NN Haren
The Netherlands
Tel. 050 632202