2J6 FREDERIC EHRHARTV 



None of the Linnean species of Chenopodium 

 ought to be considered as varieties, except Cheno- 

 podium album & viride, which do not appear to 

 be distinct species. 



Scopoli is of opinion that Drosera rotundifolia 

 and D. longifolia L. degenerate into each other. 

 I for my part never observed this to be the case 

 either in Swiss, German, or Swedish specimens of 

 these plants ; nor did I ever find it a matter of' 

 difficulty to distinguish them. 



Aloe perfoliata Var. i. Linn. sp. ed. 2. 458.* 

 or Aloe africana caukscens perfoliata £ff non spinosa 

 Cammel. prselud. p. 74. t. 23, is Crassula perfo- 

 liata L. 



Murray and Weigel think Haller in the 

 wrong, for taking his Juncus caule brachiato, foliis 

 setaceis ■, floribus fimiculatis ad ramos sessilibus (Hall. 

 hist. n. 1320.) and Juncus bulbosus of the first 

 edition of Linn^us' Species plantarum pag. 327, 

 for one and the same plant. The fynonyms and 

 figures quoted by Linnaeus prove, however, that 

 Haller was not mistaken. That Linnasus originally 



* Aloe perfoliata Var $ Wi ild . sp. pi. Vol. %. p. 186. T. 



