286 PATAGONIAN EXPEDITIONS : BOTANY. 



P. 88 3 : 



NASSAUVIA REVOLUTA Gill. 



In South Fuegia ; South Patagonia, in the mountains near Lago Argen- 

 tine (1,000 m.); and in the mountains by Rio Fosiles, about 1,500 m. 



* 



N. ROSULATA (H. & A.) 



Is in South Patagonia, common in the tableland. 

 Add Macl., p. 885 : 



N. SCEPTRUM Dus. spec. nov. (Plate III, 1-4.) 



Mastigophora, laxe caespitosa, glaberrima; rhizoma subterraneum . . . 

 rami adscendentes, biformes, seniles laxe imbricatim foliosi, foliis vagina 

 excepta e 3.5 cm. longis et c. i cm. latis, omnibus grosse dentatis, dentibus 

 subspinosis, nervo mediano robusto, fertiles ad 2.5 dm. usque longi, foliis 

 basalibus dentatis, ceteris integerrimis, laxe imbricatis, apice spinosis, 

 vagina excepta c. 2 cm. longis et 7 mm. latis, nervo mediano minus 

 robusto; capitula cylindrica, c. 15 mm. longa et 4 mm. diam., in axillis 

 foliorum supremorum solitaria vel bina; squamae involucri i-seriatae, 

 lanceolatae, vel lineari-lanceolatae, c. 19 mm. longae et 3-4 mm. latae, 

 virides vel plus minusque purpurascentes, intimae breviores, angustiores, 

 vix i mm. latae, membranaceae, albescentes ; flores in quoque capitulo 4, 

 labris albis ; achaenia pentagona, prismatica, glaberrima ; setae pappi angus- 

 tissimae, membranaceae, fragiles, facile caducae. 



South Patagonia, near Lago Viedma on the side of Rio de las Vueltas 

 (21, ii, 1905, N. 5887). 



N. SCLERANTHOIDES O. Hoffm. 



South Patagonia, by Cabo Blanco and Puerto Rivadavia, in the valley of 

 Rio Leona, in the valley of Arroyo Scheuen, by Potel-aike and Korpen- 

 kaiken, as well as in the upper part of the valley. 



Macl., p. 884: 



N. SERPENS d'Urv. 



Macloskie's statement of this plant's having been found by me in the 

 upper valley of Rio Aysen is based on a false determination made by me. 

 The specimens concerned really belong to the type of Nassauvia dusenii 

 O. Hoffm. (Macl., p. 879, and plate XXX, C, D.) D. 



