138 New Species of South American Plants 



densely hirsute on the brownish lower surface and harshly stri- 

 gose on the deep-green upper surface, the venation impressed 

 above and very prominent beneath, the secondaries about ii 

 on a side, strongly falcate-ascending and strongly connected by 

 numerous straightish tertiaries. Panicle terminal, small, very 

 dense, flowers not present. Fruiting calyx 3 mm. long, 5- 

 parted, the lobes linear, attenuate. Bracts 6 or 7 mm. long, 

 lance-ovate. Pyrenes 5. , 



Mapiri, Bolivia, 2,500 feet, May, 1886. (Rusby, No. 2489.) 



Psycho triap albacostata. 



Puberulent, the veins of the lower leaf -surfaces densely 

 white-tomentose. Branchlets stoutish, quadrangular. Inter- 

 petiolar sheaths short, thick, truncate, the middle portion 

 densely yellowish-pilose, the hairs coarse. Petioles 1.5 to 2 cm. 

 long, stout, margined, the margins continuous with the inter- 

 petiolar sheath. Blades 18 to 25 cm. long, 6 to 10 cm. broad, 

 oblong with cuneate base and abruptly short-acuminate and 

 acute summit, entire, thickish, deep-green above with the very 

 slender venation slightly prominent, gray-green beneath with 

 the white pubescent secondaries very conspicuous. Secondaries 

 about 25 on a side, besides partial or slender intermediates, 

 strongly falcate, the finer venation obscure. Panicles axillary 

 and terminal, small, short and broad, long-peduncled, the 

 branches minutely bracted. Calyx 1.5 mm. long and broad, 

 the tube about as long as the limb, urceolate^ the limb campanu- 

 late, deeply toothed, the teeth white, ovate, acute. Open cor- 

 ollas not seen, the nearly mature bud short and broad, the tube 

 very short. 



" A shrub to 5 feet. Rare in mountain forest, 3,000 to 5,000 

 feet. December to March. Collected at Las Nubes, Decem- 

 ber 5, and at Manzanares, 3,500 feet, March i." (Herljert 

 H. Smith, Colombia, No. 1806.) 



Psychotria olyphylla. 



Pubescent, the upper leaf-surfaces puberulent on the mid- 

 rib. Stipules about i cm. long, linear-lanceolate and long- 

 acuminate, the intrapetiolar sheath bearing similar ones. Peti- 

 oles 6 to 8 mm. long, margined, the blades 8 to 12 cm. long, 2.5 

 to 5 cm. broad, oblong or oval, abruptly acuminate at both 

 ends, thickish, drying brown, entire, the venation very strong 

 beneath, the secondaries 20 to 25 on a side with intervening 

 short vestiges of ribs, at first divaricate, then falcate, connected 

 by numerous stout rather crooked tertiaries. Panicle terminal, 

 the stout quadrangular peduncle 2 cm. long, the panicle 7 cm. 

 long, pyramidal, subulate-bracted. Flowers very shordypedi- 

 celled or sub-sessile. Calyx 2 mm. long, i mm. broad, the tube 



