JOURNAL 



OF THE 



ROYAL HORTICULTURAL SOCIETY, 



Vol. XLVI. 1921. 



AN ACCOUNT OF THE GENUS SEDUM AS FOUND IN 

 CULTIVATION. 



By R. Lloyd Praeger, B.A. 



CONTENTS. 



Part I. — Introductory. 



I. Preliminary 

 II. Historical 

 III. Distributional 

 IV. Statistical 



V. Variation 



PAGS 



I 



3 



5 



II 



13 



VI. Cultivation and Propa- 

 gation . . .16 

 VII, Sources of material . . 19 

 VIII. Notes on the text . . 20 



Part II. — Descriptive. 



PACE j PAGR 



IX. Characters of the Genus . 21 [ X. Description of Species . 20 



Index 3^y 



PART I.— INTRODUCTORY. 



I. Preliminary. 



It is doubtful if any genus of plants which is widely cultivated is in 

 such a confused state in our gardens and horticultural books as is the 

 genus Sedum. Even in collections where the owners pride themselves 

 on correctness of nomenclature, misnomers and nomina nitda abound ; 

 and common species masquerade under many different names. 



This does not arise from any special difficulty in the identification 

 of the species of Sedum. Some of the species, it is true are vari;;ble 

 and in some of their forms not at once recognizable by the uniniti;:lLd ; 



VOL. XLVI. B 



