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204 FIELDIANA: BOTANY, VOLUME 28 PIPERACEAE 13 Peperomia Steyermarkii Yuncker, sp. nov. stigmate apicali. A small delicate tufted glabrous terrestrial herb; stem com- or Herba parva glabra terrestris; caule tuberose; foliis suborbicularibus, 8-10 mm. diametientibus, peltatis 5-nerviis; petiolo filiform! ad 3.5 cm. longo; spicis 1 mm. crassis, 15-20 mm. longis; pedunculo filiformi 2-2.5 cm. longo; drupa globoso-ovoidea, stylo brevi subulaco; tuber-like, 3-4 mm. thick; leaves when living fleshy-membranous, deep green above, suffused with purplish with a pale green spot near the base in center and with pale green areolate veins radiating from this spot, silvery pale green or suffused with lavender beneath, suborbicular, 8-10 mm. in diameter, peltate 2-4 mm. from the margin, with 5 delicate anastomosing nerves from the petiole, drying very membranous, subpellucid; petioles filiform, up to 3.5 cm. long, pale greenish-white when living; spikes 1 mm. thick x 15-20 mm. long when dry; peduncle filiform, often rose-lilac when growing, 2-2.5 cm. long, sometimes with a leaf about 1 cm. below the spike; bracts round-peltate; fruit globose-ovoid, black, verrucpse, about 0.8 mm. long, with a short subulate style; stigma apical. Type in herb. Chil Nat. Hist. Mus., collected at edge of cafetal, below limestone bluffs, Cerro de la Cueva de Dona Anita, south of and bordering valley of Caripe, state of Monagas, alt. 1200 m., April 7, 1945, Julian A. Steyermark 61874. Piper Arbelaezii Trel. & Yun.,var. subglabrirameum Yuncker, var.nov. Frutex 3-4 m. altus; internodiis innovationum laeviter hirtulis mox glabrescentibus; spicis 12 mm. crassis, 70 cm. vel ultra longis; pedunculo 8-9 cm. longo, glabro; bracteis sub margine fimbriatis, dorso longe pilosis. Shrub 3-4 m. tall, planted at times for ornament; young internodes thinly hirtellous, quickly glabrescent; leaves subcoriaceous, deep green above, silvery green beneath; spikes creamy-white, recurveddro oping, 5-6 mm. thick in anthesis, 12 mm. in fruit, up to 70 cm. or more long; peduncle 8-9 cm. long, glabrous; bracts submarginally fringed, dorsally long-pilose. Otherwise as in the species. Type in herb. Chi. Nat. Hist. Mus., collected along Rio Zumbador and tributary, near base of Piedra Blanca, northeast of Bergantfn, state of Anzoategui, alt. 800-1000 m., March 1-2, 1945, Julian A. Steyermark 61298. 13 By T. G. Yuncker
BOTANICAL EXPLORATION IN VENEZUELA - I 205 Piper bolivaranum Yuncker, sp. nov. Planta glabra vix pedalis; foliis anguste lance olatis, 10-17 mm. latis, 6-8 cm. longis, apice sensira acuminatis basi acutis, a tertio supero deorsum pinnatim venosis; petiole 2-10 mm. longo; spiels 3 mm. crassis, 25 mm. longis; pedunculo filifonni, 10-12 mm. longo; bracteis trianguiari-subpeltatis anguste fimbriatis; drupa truncatotrigona; stigmatibus sessilibus. A small glabrous soft-wooded branching plant scarcely 30 cm. tall; internodes 1-3 cm. long; leaves membranous, deep green above, paler beneath, narrowly lanceolate, 10-17 mm. wide x 6-8 cm. long, apex gradually acuminate, base equilaterally acute, pinnate ly nerved below the upper third with about 3 ascending nerves on each side, loop-connected and joined to the midrib with numerous horizontal nervules, drying membranous, translucent, minutely pellucid-dotted; petiole 2-10 mm. long; peduncle filiform, 10-12 mm. long; bracts triangular-subpeltate, narrowly marginally fringed; fruit truncatetrigonous, granulate; stigmas 3, small, sessile. Type in herb. Chi. Nat. Hist. Mus., collected on mossy-covered banks of streamlet on plateau near "Misia Kathy Camp", Ptari-tepui, state of Bolivar, alt. 1585 m., October 28, 1944, Julian A. Steyermark 59468. Piper el-paramoense Yuncker, sp. nov. Frutex 2-3 m. altus; intemodiis superis parcius hirtulis; foliis ova to-elliptic is, 7-8 cm. latis, 14-15 cm. longis, apice acutis, basi oblique inaequilatera liter cordatis, iobis rotundatis quam petiole brevioribus, ad tertium superum pinnatim venosis, supra glabris, subtus ad venas hirtulis; petiolo 2-4 cm. longo subvilloso ad laminam vaginato-alato; spicis 4-5 mm. crassis, 11 cm. longis; pedunculo 2 cm. longo pubescente; bracteis concavo-subcucullatis, margine brevifimbriatis; ovario ovoideo; stigmatibus sessilibus. A shrub 2-3 m. tall, upper internodes short and slender, sparingly hirtellous glabrescent; leaves when living spicy-fragrant, membra-^ nous, dull green above, greenish-silvery beneath, elliptic -ovate, 7-8 cm. wide x 14-15 cm. long, apex acute, base obliquely inequilaterally cordate with rounded lobes shorter than the petiole, sinus narrowly acute or closed with the lobes slightly overlapping, pinnate ly nerved to the upper third, the nerves 5 or 6 on each side, prominent beneath, slightly impressed above, with rather prominent crossconnecting and anastomosing nervules, drying somewhat membranous, translucent; petiole 2-4 cm. long, subvillous, vaginate-winged to the blade; spikes 4-5 mm. thick x 11 cm. long, nodding; peduncle slender, 2 cm. long, pubescent; bracts concave-subcucullate, marginally short-fringed; ovary ovoid; stigmas 3, sessile. Type in herb. Chi. Nat. Hist. Mus., collected at El Paramo, northeast of Las Delicias, northeast of Caripe, state of Monagas, alt. 1200-1450 m., April 13, 1945, Julian A. Steyermark 62038.
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o 2 CM XI E> RAR.Y OF THL UNIVERSIT
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FIELDIANA: BOTANY A Continuation of
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NUMBER 1 LIST OF ILLUSTRATIONS TEXT
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PAGE 67. Emmotum ptarianum 342 68.
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CONTRIBUTIONS TO THE FLORA OF VENEZ
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