New SPECIES OF SOUTH AMERICAN PLANTS 159 
Liabum biattenuatum. 
Canescent throughout except the upper leaf-surfaces, which 
are deep-green and finely and conspicuously reticulat:. Stems 
loosely twining, 2 to 3 m. long, the branches slender, the upper 
internodes 4 to 5 cm. long. Leaves 8 to 12 cm. long, including 
the slender petiole, 1 to 2 cm. wide, linear-lanceolate, gradually 
acuminate and acute at both ends; obsoletely and distantly 
serrate, the minute teeth salient; thin. Panicles axillary and 
scarcely scaley, but roughen Ray-florets and disk-florets 
each 4 to 6, the ray corollas imperfectly developed, yellow, 
moderately exceeding the dis rrow, minutely notched at 
, na 
the summit. Disk-corollas divided nearly half-way, the lobes 
lance-linear, obtuse. Anthers pale 
slender, the basal appendages obtuse. Style ong-exserted, 
deeply lobed. Akenes 2 mm. long, slender, broader upward, 
bristly-hairy. Outer pappus nearly as long as the akene, 
stouter than the inner, which is abundant, tawny, scabrous 
and about 6 mm. long. : 
"Observed only once, on ridge in edge of forest, Sierra del 
Libano, 5,500 feet, January 19." (Herbert H. Smith, No. 2013). 
Mr. Smith has another collection under this number, which 
It has shorter and broader 
may be regarded as a variety. 
tinctly serrate leaves. 
leaves, with shorter petioles and dis 
Liabum subumbellatum. 
Stems and lower leaf-surfaces white-floccose, the peduncles 
and involucres more or less ferruginous. Stems slender, sub- 
quadrangular, the internodes IO to IS cm. Leaves 5 ee 
12 cm. long, 2 to 5 cm. broad, pec mira vci B 
i iole-li cuminate cute, 
into a short petiole-like base, a dM RM uri greet 
principal "m a 
gin. Corym € oe 
long-peduncled, some with a single head. Heads 3 
= Ein pe pi twice as broad, as pressed, the broadly cam- 
panulat 1 
ng, i 
e involucre nearly equaling the pappus, t 
impressed. Scales in about 6 series, 
lanceolate, acute, the outer 
