INTRODUCTION. 



The Flora of Cornwall was published in 1909. Additions 

 thereto, by Mr. F. H. Davey and Dr. C. C. Vigurs respectively, 

 issued in the Journal of the Royal Institution of Cornwall, 191 1 

 and 1913, are incorporated in the present Supplement. 



Analysis of the additions to the Flora since 1909 yields the 

 following results : 



A. Species recorded in the Flora as doubtful 



or an error, and now included 9 



B. British species (native or casual) not 



recorded in the Flora 23 



C. British varieties and forms 142 



D. British hybrids 17 



E. Recorded in the Flora as extinct (Diotis 



maritima, Cass) 1 



F. Aliens (species and varieties) 110 



The species recorded in the Flora as doubtful or an error, 

 and now included, are : /saris tinctoria, Linn; Silene cornea, 

 Linn; Arenaria tenuifolia, Linn; Medicago minima, Desr; Senecio 

 squalidus. Linn; Chenopodium glaucum, Linn; Euphorbia Esula, 

 Linn; Malaxis paludosa, Sw; and Nitella gracilis, Agardh. 



The British species not recorded in the Flora are : 

 Thalictrum dunense, Dum; Fumaria major, Badarro (paradoxa, 

 Pugsley); Fumaria neglecta, Pugsley; Viola epipsila, Led; 

 Dianthus deltoides, Linn; Rubus Scheutzii, Lindeb; Purus inter- 

 media, Ehrh; Hieracium Peleterianum, Merat; Hieracium 

 silvaticum, W. & N.; Verbascum pulcerulentum, Vill; Veronica 

 triphyllos, Linn; Euphrasia Kerneri, Wettst; Euphrasia stricta. 



