1920-21.] liOTAXICAL S(KUETY OF EDINBURGH 73 



marshes." In Ireland, " Wet bogs." In the United States 

 the Floras all oive " Dry woods," and the marsh and boo; 

 plant is P. uliginosa, Torrey. Yet their summer is far 

 hotter than ours. 



P. rotu7idifolia, Linn., var. arenaria, Koch. 



In the Hookerian herbarium at Kew ther^is a sheet of 

 8 specimens named "var, bracteata Hook. & Arn. 1850" 

 (Brit. Fl., ed. 6, 1850, p. 276). They are slender specimens 

 with about 4 flowers on each, and with 7 to 13 bracts on 

 the stem, and the leaves about half the size of the usual 

 Lancashire specimens, probably gathered in a season when 

 the "slacks" were drier than usual. In Linnaea, xxviii 

 (1856), Dr. Alefeld has a long paper on the genus, splitting- 

 it up into genera, naming this variety "Thelaia intermedia." 



The synonymy of arenaria is rather extensive : — 



var. arenaria, Koch, in Syn. Fl. Germ, et Helv., ed. i 

 (1837), p. 478. . 



P. inaritima, Kenyon in Phyt,, ii (1847), p. 727. 



P. serotinoj, Melicocq in Ann. Pas-de-Calais (1848-9), 

 p. 223. 



var. serotina, Melicocq in Bull. Soc. Bot. Fr., i (1854), 

 p. 162. 



var. squamosa, Hook, in herb, ex Alefeld. 



P. arenaria, Dum. Bouq. litt. Beige (1869), p. 41. 



/. serotina, Juiige, in Verb. Naturw. Ver. Hamburg, xvii 

 (1909), p. 34. 



/. pyraniidalis, H. Andres, in Mitt. Bay. Bot. Ges., ii 

 (1911), p. 339. 



In the Phytologist (1853), p. 1119, Professor D. Oliver 

 gives a translation of a paper by Planchon from the Ann. 

 des Sciences on the above, and mentions that " Sir W. J. 

 Hooker received from some correspondent a Pyrola gathered 

 on the Yorkshire coast, and since found on the shores of 

 Lancashire by Kenyon." On this Mr. J. G. Baker remarked 

 in litt. : " P. rotundifolia grows in Castle Eden Dene, which 

 Sir W. J. Hooker erroneousl3^ supposed to be in Yorkshire 

 —but it is in Durham." The Castle Eden plant has the 

 lower bracts large, etc., like the Southfleet plant. I have 

 n,ot seen any specimen from the adjacent station " on the 

 coast near Hordean Hill," and wish someone would look it 



