li-x^ a'ittw^-)i.'.<^ 375 ) 



i.\c 



XIX. Observations on some Species of Menziesia, hitherto consi- 

 dered as belonging to the Genus Andromeda, by 01. Swartz, M.D. 

 Bergian Professor of Botany at Stockholm, F.M.L.S. 



Read April 17, 1810. 



The great natural affinity between the genera of Erica, Andro- 

 meda, and Menziesia is well known ; but at the same time it ap- 

 pears unquestionable that they can never unite with each other. 

 The character of the Menziesia was first explained by the Pre- 

 sident of the Linnean Society, in his excellent work the Planta 

 hactenus ineditce, t. 56, where he points out the principal generic 

 difference from the real Andromedas and Ericas to be, a capsule 

 similar to thai, of Rhododendron, or the dissepimenta loculorum 

 t marginibus valvularum infiexis, which accordingly places this 

 genus in a natural order distinct from the Ericea. The author 

 of the Gen. Plant, secundum Ord. Nat. disposila, attending to the 

 character of Menziesia, indicated afterwards {Annalcs du Mus. 

 d'Hist. Nat. i. p. 52.) the necessity of transferring another plant 

 to the same genus, viz. the Erica or Andromeda Daboecii oi dif- 

 ferent authors, who, from principles not before fixed concerning 

 the natural affinity, had appeared irresolute about its real place, 

 now sufficiently ascertained by Mr. Salisbury (Transact, of Linn. 

 Soc. vi. p. 323.) and from my own inspection of Irish and Spanish 

 specimens. 



3 c 2 From 



