This second part is itself made up of two chapters.
The first, which may seem arduous to some, is a historical botanical and taxonomic article. Readers who wish to do so, can go directly to the second chapter which is a succession of photos, some of which are commented on.
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CHAPTER 1
HISTORIC, BOTANIC AND TAXONOMIC INTRODUCTION
CHAPTER 2
THE PHOTO GALLERY OF MY 2019-2020 SCHLUMBERGERA
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