MACLOSKIE : COMPOSITE. 793 



spherical, 9 by 10 mm. ; with white to pink, narrow, not long ligules. 

 Pappus short, scarcely rufescent. Achenes hairy, narrow-compressed. 

 S. Patagon., by Lago Argentine. 



4. ERIGERON BONARIENSIS Linn, (including E. sordidus Gill.). 



Stem hirsute, erect. Leaves linear-lanceolate, glabrous except on 

 nerves and margins, attenuate both ways ; lower coarsely incised-toothed ; 

 upper entire. Panicle long, contracted. Involucral scales and slender 

 ligules equalling the disk. Achenes pilosulous. 



(S. Brazil); Argent; Patagon.; "Chileca" (Span.) or "Sassin" (Arauc.) 

 by Rio Negro and Rio Chubut. Valley of upper Rio Aysen (Dusen). 



5. E. BONARIENSIS GLABRATUS Speg. 



Departs from the type by having the stem more subglabrous and the 

 leaves ciliate-pubescent only underneath at the nerves and margin. Heads 

 7 mm. every way, with involucre half shorter than the disk. Achenes 

 compressed, ribbed at the margins, pubescent. 



N. Patagon., common along the Rio Negro. 



6. E. BREVICAULIS Phil. 



Panicle contracted. Heads with acute, hispid scales. Ligules lilac, 6 

 mm. long, nearly as long as the disk. Achenes 2 mm. long, narrow, 

 shorter than the scarcely rufescent pappus. 



S. Patagon., by Lago Argentino. 



7. E. CINEREUS Hook. & Arn. (E. divergens cinereus.} 

 Pilose-hispid. Stem short, decumbent, i~3-5-headed. Radical leaves 

 spatulate ; cauline linear-lanceolate. Involucre tomentose-hirsute, its 

 scales imbricate, many-seriate, linear, acute, subequal. Ray twice as long 

 as disk. Pappus 2-seriate, outer series very short. Achenes as long as 

 the pappus, compressed, 2-edged, glabrous. 

 (Chilian Andes) ; Patagon. 

 (E. divergens T. & G., descr. and Fig. in Britt. & Br., iii, p. 388.) 



8. E. (?) ERIANTHUS Speg. 



Stemless, cespitose. Leaves densely imbricate-rosulate, oblanceolate, 

 more or less obtuse, somewhat attenuate-petiolate, glabrous. Heads 



