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APPENDIX. 



Since the above article was received for publication, a paper entitled 

 " Anatomische Untersuchungen an Polsterpflanzen nebst morphologischen 

 und okologischen Notizen " (Beihefte zum Bot. Centralb., Bd. 33, pp. 275-93, 

 1916), dealing with a number of New Zealand cushion - plants, has 



