696 PROCEEDINGS OF THE AMERICAN ACADEMY. 
reflexed at maturity: stamens erect; filaments one-third length of an- 
thers, broad at base; anthers a little shorter than corolla, broad; apical 
pores the width of cell, at maturity splitting laterally: ovary glabrous, 
ovoid, gradually passing into the filiform style; stigma minute, shortly 
2-lobed; fruit ovoid, 7 mm. long; seeds numerous, flat, reniform, 2 to 
3 mm. long. — Rio Asuncion, in the heavy woods along the Juan Griego 
trail, Johnston, no. 821, July 22, 1903. Allied to S. gracillima, Sendtn. 
of Brazil, it differs in having broader leaves, a very short peduncle, a 
stouter pedicel, and a larger calyx, the lobes of which are rounded at 
the apex. 
Bignonia acuminata, n. sp. (§ Consucarar.) Shrubby, scan- 
dent: leaves opposite, 3-foliolate; leaflets oval with rounded base, and 
with acuminate apex, entire or repand, on both surfaces covered with a 
glistening white pubescence, less dense above than below, in dry state 
nearly black above and gray below, 4 to 6 cm. long and 2 to 3 cm. wide; 
middle leaflet often giving place to a simple stout tendril; petiole 3 to 
4 cm. long; lateral petiolules 0.5 cm. in length, middle one twice as 
long; stipules not apparent: inflorescence axillary, short-pedunculate, 
racemose-paniculate ; pedicels slender, short, 3 to 5 mm. long; rachis and 
pedicels pubescent ; bracts lanceolate, acute, 3 mm. long; bractlets similar, 
slightly smaller: calyx 2-lipped, pubescent or glabrous, 7 mm. deep, 
rarely unequally 3-lobed, each lobe rounded, very shortly apiculate: 
corolla purple, 3.5 em. long, slightly 2-lipped, 5-lobed; lobes rounded : 
stamens pilose at the base, 4, didynamous; staminodium short: disk 
broad, pulvinate ; ovary puberulent, 2-celled, axial placentation, with 
2 rows of ovules in each cell ; style slender, glabrous; stigma clavate, 
2-cleft: fruit linear, compressed, 7 mm. wide, about 10 cm. long. — El 
Valle, Johnston, no. 345, 1903. 
Tabebuia rufescens, n. sp. Arborescent: leaves opposite, pal- 
mately compound, 5-foliolate; young leaflets elliptical, acute or acumi- 
nate, stellate-pubescent, 1 cm. wide and 2.5 cm. long, probably larger at 
maturity; petiole 3.5 cm. long, and petiolule 2 to 6 mm. long, all tawny 
stellate-pubescent ; inflorescence terminal, cymose, pubescent with the 
exception of the corolla, precocious ; pedicel 1 em. long; bracts minute, 
subulate : calyx tubular, 5-ribbed, 5-lobed; lobes acute: corolla yellow, 
5 to 7 cm. long, glabrous without, villous within on under side; stami- 
nodium long, glabrous : style persistent ; stigma clavate, 2-lobed: young 
pods brownish, velvety-pubescent ; pod 2-celled, cylindrical, recurved. — 
San Juan mt., alt. 500 m., Johnston, no. 79, July 2, 1903. 
Chiococca micrantha, n. sp. Shrubby; stems decumbent, 9 ™ 
