AND THE ADJOINING TERRITORY. 221 



gested. It is either an undescribed species or an extreme form 

 of the very variable M. scandens, L. 



Gutierrezia LWEA.RIEOLIA, Hook. $ Am. North Patagonia 

 (No. 193, G. C). 



Hysterionica jasonioides, Willd. Bahia Blanca (No. 96, 

 G. 0.). 



Solidago linearifolia, DC. "Widely spread about Bahia 

 Blanca (No. 136, G. C). The Indians call the plant Felel, and 

 use it for dyeing wool yellow. This and 8. microglossa, DC, 

 seem to be forms of the same species. 



Erigeron bonariense, L. Valley of the Eio Colorado and 

 North Patagonia (No. 191, G. C). The Spanish Dame given to 

 this and several other Composites of similar appearance is Chileca ; 

 the Araucanians call it Sassin. 



Baccharis artemisioides, Hook. Sf Am. Common in North 

 Patagonia, on the plateaux and the flanks of the valleys (No. 94, 

 G. C). 



Baccharis coridifolia, Pers. Sierra de Tandd, flowering in 

 (March) autumn (No. 121, G. C). Spanish name Romerillo. 

 Widely spread, especially in Uruguay, and said to be very 

 poisonous to cattle. 



Baccharis gilliesii, A. Gr. Proc. Am. Ac, V. 123; var. 

 foliis longioribus profundius dentatis. Sand-hills near the sea, 

 at Isla Verde, the mouth of the Eio Colorado, and elsewhere in 

 Patagonia (No. 181, Gr. C). This is used to make brooms, and 

 called in Spanish Iscoba. 



Baccharis salicifolia, Pers. Sandy ground in the valleys of 

 the Eio Negro, Eio Colorado, aud the Chubat (No. 203, G. C). 

 A shrub 7-9 feet high ; the leaves somewhat resinous and aro- 

 matic ; the wood spongy, used by the Indians to make fire by 

 friction. The limits of the South-American species of Bacchari* 

 are not easily defined ; and this with B. glutinosa and their allies 

 form a group which is widely spread through temperate and 

 subtropical S. America. 



Baccharis tenella, Hook. Sf Am. ? Plateaux of North 

 Patagonia (No. 2 LO, G. C). A very imperfect fragment, and the 

 determination uncertain. 



Baccitarts ? Bahia Blanca, Sierra dc la Ventana, and 



n2 



