Plants Collected in Paraguay. 141 



viscous. Cauline leaves ovate-oblong, sharply serrate, 3-nerved, 

 petiolate, 6-12 cm. long. 



Baccharis coguata, D.C., Prod., v, 413. 



Yilla Morra near Asuncion (775). May. 



Suffruticose, about 6 dm. high, glabrous. Heads small, clustered 

 on short lateral branches, 12-25 flowered. Flowers white. Leaves 

 obovate-cuneate, 1-2^ cm. long, 8-20 mm. broad, rigid, coarsely 

 toothed, glabrous. 



Bacctiaris dracunciilifolia, D.C., 1. c, 421. 



Luque (318). December. 



A shrub sometimes reaching a height of 2 m. or more. Bushy 

 branched. Leaves numerous, sessile, linear-lanceolate, sparsely 

 serrate, 2-3 cm. long, 3-5 mm. or more broad. Flowers thread- 

 like, greenish in hue. Heads crowded, numerous, on short downy 

 peduncles. Pubescent among the inflorescence. 



Baccliaris genistilloides, Pers., Syn., 11, 425. 



Caballero (437); between Asuncion and San Lorenzo (723). 

 January. 



A curious plant occurring on the open campo. It has the stems 

 broadly or narrowly 2-3 winged, and the leaves reduced to scales 

 at the joints of the wings. Flov^ers spiked in interrupted verticils. 

 The leafless-looking stems and branches lend a gaunt, weird aspect 

 to the plant. 



Baccliaris juncea, Desf., Cat. Hort. Paris, 1829, p. 183? 

 Pilcomayo River (1516). March. 



Baccliaris nana, D. Don., Mart. Fl. Bras., vl, pt. 3, 56. 



Asuncion (647). April. 



A slender species, shrubby, 3-5 dm. high, scurfy above. Leaves 

 linear-oblanceolate, 1-2|^ cm. long, 2-3 mm. wide, sparsely serrate 

 above. Heads about 5 mm. high, pedicellate, axillary, scattered ; 

 scales 4 or 5 rows, obtuse or abruptly acute, ciliolate, membranous 

 on the margins. A strict dry-looking plant, occurring in open 

 grounds and old fields. 



