In 2011 Emile Heunis, a long-time friend and Lithops enthusiast from Cape Town, together with our mutual friend Ronald Uijs, came to stay with us to celebrate Des's 89th birthday. We had a most enjoyable weekend, and needless to say, shared some of our experiences when observing Lithops in habitat. We were fascinated by something Emile had noticed, but which we, in all our years of fieldwork, had never seen. We were very interested and asked him to send us more information together with some photos which he had taken. It was also agreed that the following article should be submitted for publication.
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