MACLOSKIE I REVISION OF FLORA PATAGONICA. 65 



in the Chubut Territory, Taka-choique ; N. Patagonia ; W. Patagonia, 

 upper Rio Aysen ; Chili. 



N. B. Hordeiim secalinum Schreb. was published 1771 and Hordeum 

 pratense Huds. 1778 in the second edition of Hudson, Flora Anglica (not in 

 the ist edition of 1 762). Hordeum nodosum L. was published in 1 762 in the 

 2d edition of Species Plantarum and is, according to Ascherson and 

 Graebner, a quite doubtful plant. There is no Hordeum secalinum L. 



Macloskie's exposition of this genus contains many species and varie- 

 ties which must be deleted, viz., H. chilense Brongn. (Mac!., p. 249; H. 

 pratense Huds., Macl., p. 250). This species was published not in 1762 

 (ist ed. of Hudson's Flora Anglica), but in 1778 (2d ed. of that work). 

 Macloskie also states that H. secalinum L. of 1771 is synonymous with 

 H. pratense Huds.; but there is no H. secalinum of L., and Macloskie 

 must refer to H. secalinum of Schreb., which was published in 1771. H. 

 nodosum L. of 1 762 is according to Ascherson & Graebner, in their Flora 

 of Central Europe, quite a doubtful plant. Hence it is certain that H. 

 pratense Huds. (of Macl., p. 250) must be replaced by H. secalinum 

 Schreb. D. 



Macloskie also mentions H. pratense as occurring in N. Patagonia, a 

 statement apparently based on the Rio Negro Report, which refers to a 

 form very near to H. secalinum as occurring near Rio Negro. In har- 

 mony with this we would replace the Hordeum pratense chilense Desv. 

 (E. Fuegia, Dusen), Macl., p. 251, by H. secalinum Schreb. var. chilense 

 (Brongn.) Desv., as the same name appears in Dusen's Gefasspfl. Magell., 

 p. 233, and emanated from Hackel, who determined his specimens. 



Macloskie's statement that H. pratense Huds. (that is, H. secalinum 

 Schreb.) occurs in Patagonia is erroneous. Thus far it is not known 

 from any part of the district, but its var. chilense is reported from Pata- 

 gonia and from Fuegia by all the botanists who have reported on the 

 flora of the steppe district. Hence there can be no question but that H. 

 pratense Huds. must be replaced by H. secalinum Schreb. var. chilense 

 (Brongn.) Desv. The above mode of writing indicates that it was Des- 

 vaux who gave H. chilense of Brongn. its place as a variety of H. secalinum 

 Schreb. D. 



As to Hordeum pratense Brongniartii (Macl., p. 251) and H. pratense 

 chilense Desv. (p. 251), a comparison of Macloskie's descriptions of these 

 varieties demonstrates their identity. Besides this the description of Hor- 



