lyio-ltj.] BOTAXICAL SOCIETY OF EDINBURGH 105 



the latter place being- three miles further down the river 

 than Dunning. But Mr. Barclay wrote me : " I have little 

 doubt it will be found at or above the place of the hybrid, 

 and I hope to search for it there." 



X P. venustus was published hy Baagve in Compt. rend. 

 (Congres de botanique), Paris, p. 517, 1900. 



P. crispusxalpinu^, Baagve, in litt. et sp. 



P. alpinus X crispufi, Asch. et Graeb , in Engler, Pflanzenr., 

 iv, 11 (1907), pp. 132 and 162; and on page 72 they refer 

 to it under P. alpinui^, var. undulatus, Fischer (but the 

 margins are not undulated or serrated) ; and Asch. et Graeb. 

 in Syn. Flora Mitt. Europas, ed. 2 (1913), p. 515. 



The two German authors make a point of reversing the 

 names in hybrids, though the sequence given by the autliors 

 of the hybrids was no doubt intentional. 



TKAXS. EOT. SOC. EDIN. VOL XXVri. 



