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120 FIELDIANA: BOTANY, VOLUME 28
pistillate florets pedicellate: sepals 3, separate to the base, hyaline,
elliptic, erect, about 3 mm. long and 0.8 mm. wide, usually navicular,
subacute, ciliate-margined toward and at the apex; petals 3,
separate to the base, hyaline, erect, narrowly elliptic or oblong,
about 1.7 mm. long and 0.4 mm. wide, ciliate-margined toward and at
the apex; style about 1.4 mm. long, glabrous, with 3 slender erect
appendages issuing at about 1/3 its height, 1 mm. long; stigmas 3,
terminal, very small, about 0.2 mm. long; ovary 3-lobed, 3-celled,
glabrous, but surrounded by a tuft of very long erect villous hairs
issuing from the receptacle within the perianth.
Type in herb. New York Botanical Garden, collected in shaded
places at the edge of a forest in scrubby Stegole pis-shrub growth on
mesa between Ptari-tepui and Sororopan-tepui', in vicinity of "Misia
Kathy Camp", state of Bolivar, alt. 1615 m., November 15-17, 1944,
Julian A. Steyermark 60280. The species is obviously related to
L. flavescens (Bong.) Ruhl., but differs in its longer and broader
leaves, the peduncles not surpassing the leaves, and in floral
characters.
Paepalanthus perplexans Moldenke, sp. nov.
^Herba caulescens; caulibus elongatis ca. 30 cm. longis gracilibus
valde foliosis furcatis; foliis lanceolatis 3.5-4 cm. longis, ca. 1 cm.
latis, firme membra naceis multistriatis patentibus acutis utrinque
irregulariter albido-pilosis dein punctulato-puberulis; vaginis anguste
cylindricis ca. 5 cm. longis sparse irregulariterque pubescentibus vel
pilosulis, ad apicem dense villosis ciliatisque; pedunculis gracilibus
usque ad 30 cm. longis 3-costatis non tortis sparse irregulariterque
pilosulis.
Caulescent herb; stems elongate, about 30 cm. long, slender, very
leafy, branched; leaves sheathing, the bases closely imbricate,
lanceolate, 3.5-4 cm. long, about 1 cm. wide at the base, firmly
membranous, rich grass-green on both surfaces, many-striate, not
fenestrate, spreading, acute at the apex, the base s carious-margined
(the opaque portion of the blade uniformly 5 mm. wide to the base, the
scarious margin becoming regularly narrower from the base to about
1.5-2 cm. above the base), both surfaces more or less irregularly
whitish long-pilose, less so or only punctulate-puberulent in age, the
scarious margins more or less long-ciliate; inflorescences about 4
per branch per season, but those of the previous season usually
persisting in blackened form lower down the branches; sheaths
narrow-cylindric, surpassing the leaves, about 5 cm. long, sparsely
and irregularly short-pubescent or pilosulous,its apex obliquely split,
densely villous and ciliate.the blade lanceolate and acute, erect; peduncles
slender, to about 30 cm. long, sparsely and irregularly pilosulous,
3-costate, not twisted; heads hemispheric, 5-7 mm. wide;
involucral bracelets in many closely imbricate series, ovate, 2-2.5
mm. long, 1-1.5 mm. wide at the base, dark-brown, shiny, acute at the
apex, glabrous except for the ciliolate margins; receptacle long-vil-