182 Contributions from the Gray Herbarium 
drawing G.); 1. ¢., June 1877, Lorentz 1027 (Ber.); Ceres, 0. 
Kunize (U.S.); Puerto de Brete, 9 Feb. 1878, Lorentz 1454 (Ber.); 
Rio Cupalén, Entre Rios, 3 May 1880, Niederlein 127 (Ber.). — 
T. 2. Fie. 34, T. 3. Fig. 17 
138. V. Hasstertana Chod. Stem “ woody at base,’ erect, 
3-8 dm. high, slender, pilose with spreading hairs with slightly 
enlarged bases. Leaves opposite below, alternate above, rather 
few, oval-oblong to ovate and oblong-lanceolate, acute, cuneate 
or cuneate-rounded at base, entire, mucronate, 3-nerved, green and 
pilose-hispid above with somewhat tuberculate-based hairs, be- 
neath slightly paler, pilose and somewhat gland-dotted, densely 
pilose-hispid below at the subsessile base, 3.4-5.3 cm. long, 118 
cm. wide. Head solitary; peduncle usually naked, densely pilose 
below the head, 1.8-2.5 dm. long; head 4.5-5.3 em. wide; dis 
1.2-1.5 em. high, 1.6-2.3 em. wide. Involucre biseriate, subequal 
or slightly graduated, 1.5 em. high, the phyllaries oblong or oblong- 
lanceolate, acute to attenuate, 2.5-5 mm. broad, more or less 
densely hispid-pilose and somewhat glandular-dotted, in age sub- 
glabrate, subherbaceous except for the indurated and ribbed ex- 
treme base, the tips loose. Rays about 11, oblong to oblong-oval, 
1.5-1.9 em. long; disk-corollas puberulous on teeth, 44.5 mm. 
long (tube 0.8-1 mm.). Pales membranaceous, mucronulate, 
denticulate, 8 mm. long. Achenes (immature) sericeous, broadly 
truncate at apex, 5-5.5 mm. long. Awns paleaceous-membrana- 
_Ceous, abruptly pointed, 2.5 mm. long; squamellae on each side of 
achene united nearly or quite to apex into a broad membranous 
many-nerved lacerate-fimbriate scale 2 mm. long. — Chod. ! Bull. 
Herb. Boiss. ser. 2. iii, 724 (1903). — PARAGUAY: field near 
the Tapiraguay River, Aug. 1901-02, Hassler 4306 (coryPE COLL:: 
B. M.); field near the Carimbatay River, Sept. 1901-02, Hassler 
4578 (coryPE coL..: B. M.., fragm. G.). — T. 3. Fia. 18. 
139. V. GuaRanrtica Chod. Stems several, erect from a woody 
base, 4.5-15 dm. high, very sparsely strigose. Leaves opposite 
below, alternate above, rather few, oblong or oblong-ovate oF 
-lanceolate, acute, cuneate at base, entire, green and subsparsely 
strigillose both sides, 3-nerved above the base, 5.5-12.5 cm. long, 
0.7-4 em. wide; petioles unmargined, 1.2 mm. long. Peduncle 
densely strigose below the head, naked or with a minute bract, 
3-4.5 dm. long; head 4.5 em. wide; disk 1.2 em. high, 2.2 em. 
