192 PATAGONIAN EXPEDITIONS I BOTANY. 



MULINUM PROLIFERUM (Cav.) 



Should be deleted, being identical with Mulimtm spinosum Pers. or, 

 more properly, with one of its forms or varieties. 



P. 635 : 



M. SPINOSUM Pers. 



Is a very variable species. The variety with trifid leaves and spini- 

 form, rather long lobes is the commonest one in all Patagonia. 



M. ULICINUM Gill, et Hook. 



Should be struck out ; Macloskie's statement of this species occurring 

 in Patagonia is based on an erroneous determination. Dr. K. Domin, 

 preparing a monograph of the genera Azorella and Mulinum, has kindly 

 informed me that M. spinosum Pers. is only a variety of M. ulicinum. 

 This variety is, as far as I am aware, not yet described. 



The plant reminds us, as to its aspect, of Mulinum cuneatum Hook, et 

 Arn. It is, perhaps, not impossible that Spegazzini's statement of M. 

 ulicinum having been found in S. Patagonia, at Rio Sta. Cruz, concerns 

 this variety, Mulinum spinosum of Pers. The variety was collected by 

 Hatcher at Rio Chico, by Dusen at Rio Sta. Cruz. D. 



P. 633 : 



M. CUNEATUM Hook, et Arn. 



According to Spegazzini, Plant. Pat. austr., p. 524, this species occurs 

 in S. Patagonia, at Rio Sta. Cruz, in my opinion a somewhat doubtful 

 statement. See under Mulinum ulicinum. D. 



SANICULA L. 

 P. 636: 



S. MACRORHIZA Colla. 



Syn. S. graveolens DC. 



N. B. The name given by Colla is the older one ; Sanicula graveolens 

 is therefore to be placed as a synonym. 



ERYNGIUM L. 



E. AGAVIFOLIUM Gris. 



Should properly be struck out. In the reports of the Rio Negro Expe- 

 dition the authors of the botanical parts, Lorentz and Niederlein, mention 



