190 TEXAS RESEARCH FOUNDATION: CONTRIBUTIONS, VOLUME 5 
narrowly lanceolate or oblong-lanceolate, 10.5-23 cm. long, 3-5 cm. wide, apex 
caudate-acuminate, base acuminate, decurrent, subchartaceous, irregularly 
undulate-crenulate, at first tomentulose on lower surface with minute ferruginous 
stellate appressed hairs, glabrescent, sparsely puberulent above at base and 
along petiole, the costa impressed above, elevated beneath, the primary lateral 
veins slender; inflorescences axillary, laxly pinnately paniculate, 8.5-15 cm. 
long, long pedunculate, minutely puberulent; pedicels slender, 5-7 mm. long, 
subtended by subulate bractlets; flowers corymbose, minutely ferruginous- 
puberulent, 5-6 mm. long at anthesis; sepals narrowly triangular, up to 1.4 mm. 
long, punctate with small reddish glands; petals lanceolate, 5-6 mm. long, 
papillose-tomentose over entire inner surface, punctate in lines with reddish 
glands; stamens about 3 mm. long; filaments 2 mm. long, glabrous; anthers small, 
lanceolate, 1-1.2 mm. long, apiculate, dorsifixed about one-third above base, 
with one to several small blackish glands dorsally; ovary ovoid, short villous- 
tomentulose, the hairs longer apically and at base of style, the style up to 3.5 
mm. long; placenta depressed-obovoid, apiculate; ovules 7-9, uniseriate, enclosed. 
BOLIVIA.—Songo, November, 1890, Miguel Bang 861 (US, type; BM, F, G, GH, LL, 
MICH, MO, NY, isotypes). 
The species, allied to P. adenanthera (Miq.) Hook.f., differs in its glabrous 
filaments and unusually narrow caudate leaves. 
74. ParatTHesis Moritziana Mez, Pflanzenreich IV. 236: 180. 1902. ‘Fig. 71. 
Branchlets slender, very minutely ferruginous-puberulent at apex; leaves with 
slender petioles up to 2 cm. long; leaf blades lanceolate, elliptic-oblong or oblan- 
ceolate, 7.5-15 em. long, 2.5-5.5 em. wide, apex acuminate, base acute or acu- 
minate, finely crenulate, membranaceous, at first rather sparingly pubescent on 
undersurface with minute appressed stellate hairs, puberulent above along costa 
at base, glabrescent early, costa slightly impressed above, elevated beneath, 
the primary lateral veins very slender; inflorescences open, lax, axillary, panicu- 
late, usually 8-15 cm. long, sometimes up to 22 em. long, long pedunculate, 1- or 
2-branched, the peduncle and branches very slender, puberulent, the minute 
hairs simple or stellate and appressed, glabrescent; pedicels slender, 8-15 mm. 
long, apparently accrescent, minutely papillose-puberulent; flowers usually 
5- rarely 4-parted, corymbose, puberulent, up to 5 mm. long at anthesis; sepals 
very narrowly triangular, appearing subulate, up to 1.5 mm. long; petals nar- 
rowly triangular-lanceolate, about 5 mm. long, orange-punctate, papillose- 
tomentose on inner surface; stamens 2—2.3 mm. long; filaments glabrous, up to 
1.4 mm. long, slightly exceeding anthers; anthers small, erect, ovate, 1.2—1.4 
mm. long, acute, dorsifixed about one-fourth above base, with conspicuous 
orange-punctate area dorsally; ovary ovoid, puberulent below, short  villous- 
tomentulose apically and at base of style; style about 3.5 mm. long; placenta 
subglobose; ovules few, 3-6, erect, uniseriate. 
VENEZUELA.—Inpermire: prope coloniam Tovar, 6500 ft., 1854-1855, A. Fendler 754 
(GH, lectotype; MO, isotype), fl. white; prope coloniam Tovar, 1854-1855, A. Fendler 755 
(GH, K); prope coloniam Tovar, 1856-1857, A. Fendler 754 (G, GH, K); Colonia Tovar, 
J.W. K. Moritz 900 (BM), fl. Aug.; Colonia Tovar, J. W. K. Moritz 1698 (K), fl. June. 
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