284 PATAGONIAN EXPEDITIONS I BOTANY. 



P. 879, add : 



NASSAUVIA DENTATA Griseb. 



Many stems, 10-20 cm., much branching. Lower leaves dividing into 

 5 spinelike branches, hairy. Heads numerous, white terminal glomerules 

 10-15 mm - l n g> subglobose, intermingled with the leaves. Involucral 

 leaves lanceolate, acuminate, pubescent. 



Chili, N. W. Patagonia, upper valley of Rio Puelo. 



P. 879: 



N. DUSENII O. Hoffm. 



In South Patagonia, by rivulets near Rio Argentine ; along the banks 

 of Rio de las Vueltas, near Lago Viedma ; Lago San Martin by a rivulet ; 

 by Rio F6siles from about 800 m. to 1,500 m. 



P. 880 : 



N. HETEROPHYLLA Alboff, and (p. 884) N. SUAVEOLENS. 



Are synonyms of N. magellanica Gmel., and therefore to be deleted. 

 (D. & Sk.) 



N. MAGELLANICA Gmel. 



Occurs also in S. Patagonia near Lago Argentine. (The same with 

 N. purpurea Spencer Moore, fide Skotts.) 



N. MODESTA O. Hoffm. 



Occurs in S. Patagon., Territory of Sta. Cruz, on dry sandy places near 

 the Rio Sta. Cruz, in the valley of Arroyo Pelque, near Lago Argentine ; 

 in the mountains between Lago Viedma and Laguna Tar, up to about 

 900 m.; in the valley of Arroyo Scheuen. 



P. 88 1 : 



N. MORENONIS Ok. 



Should be deleted, being identical with N. ameghinoi Speg. 



N. nivalis should be deleted, not belonging to the Patagonian flora. 

 The specimens referred by Macloskie to this species belong in my opinion 

 to Nassauvia revoluta. D. Skottsberg refers the specimen to N. nivalis 

 Poepp. & Endl. 



P. 88 1 and plate XXVIII, A : 



N. NORDENSKJOLDII O. Hoffm. 



Should be deleted, being identical with N. pygmcza (Cass.) Hook. f. 



