61 
linear-bracted, the peduncles 3-10 mm. long ; as small, the in- 
volucres broadly hemispherical- campanulate, ng,3m 
broad, the scales in 2—4 series, few, loosely esta lanceolate, 
acute, white, with lacerate margin and green midrib ; receptacle 
convex, strongly foveolate. Pistillate flowers: akene hispid, .75 
m ng; pappus 2 mm. long, slender, rather sparse; corolla 
mm. style-branches .3 mm. long, erect, linear, acute. 
Sterile flowers. - akene wanting; pappus similar to last, but more 
serrate, 2 mm. long; corolla 2 mm. long, broadly campanulate, 
deeply lobed; style not exserted (but the flowers are not yet fully 
developed). 
Between Guanai and Tipuani, April-June, 1892 (1457). 
Species near P. salicifolia, but the heads are broader and the 
leaves more acuminate. 
BACCHARIS MAPIRENSIS sp. n. 
Fruticose or suffruticose, sub-glabrous, much branched, the 
branches somewhat flexuous, greenish, sharply and irregularly 4 4 
—5-angled, the branchlets short, divergent; petioles 1-5 
smaller; inflorescence loosely and irregularly paniculate-cymose, 
the branches very strongly angled, the bracts lanceolate-subulate, 
thickish ; heads on slender peduncles mostly equalling their own 
length, 5 mm. long, 7 or 8 mm. broad in full flower, tawny ; in- 
volucre campanulate-hemispherical, 3 mm. long, 4 mm. broad, the 
brillate ; hermaphrodite sterile flowers only seen; akene none, 
pappus ded scanty; corolla-tube 1 mm. long, limb 2 mm. long, 
its lobes 1 mm. long, narrow; essential organs much exserted, 
erect; idees -branches quond nearly 1 mm. beyond the anthers, 
I mm. long, connivent, s 
Between Mapiri and dn July-Aug., 1892 (1482). 
BACCHARIS OBLANCEOLATA Sp. n. 
aie ose or arborescent, glabrous, except the puberulent inflor-* 
; branches stout, leafy, grayish or €— -— 
above; Tittle branched; leaves scarcely petioled, 6-10 cm. lo 
3 cm. broad, ubitacetiate, with acute base, abruptl vital 
nate and acute apex and entire margin, slightly inequilateral, thick- 
