58 NORTH AMERICAN FLORA [VOLUME 32 
long, densely ferrugino-villous, the blades elliptic-oblong, elliptic, or ovate-oblong, 8-15 cm. 
long, 3-6 cm. wide, rounded ‘to acute at the base, subabruptly acute to attenuate at the apex, 
rather thin, minutely pilose above and green, paler beneath and densely pilose with short 
fulvous hairs; inflorescence terminal, short-pedunculate, the flowers sessile or subsessile in 
dense cymes, these sessile or pedunculate, arranged in a narrow thyrsiform panicle 12—20 cm. 
long; bracts linear-subulate; hypanthium densely ferrugino-pilose; calyx-lobes 4, lance-oblong, 
about 1 mm. long, acute, spreading; corolla-tube slender, 8-10 mm. long, short-strigose below, 
long-strigose above, naked in the throat, the 4 lobes suborbicular, about 2 mm. long, spread- 
ing; style exserted. 
TYPE LOCALITY: Coban, Alta Verapaz, Guatemala, at an altitude of 1475 meters. 
DISTRIBUTION: Alta Verapaz, Guatemala. 
26. Rondeletia stachyoidea Donn. Smith, Bot. Gaz. 43: 298. 1906. 
Shrub or small tree, 4.5 meters high or less, the branches slender, terete, grayish-brown, 
pilose-strigose when young, glabrate in age; stipules triangular-lanceolate, 6-10 mm. long, 
attenuate, appressed, persistent, brown, glabrate; leaves opposite, the petioles stout, 3-18 mm. 
long, the blades ovate-lanceolate to narrowly elliptic-lanceolate, 6—-17.5 cm. long, 1.2-3.8 cm. 
wide, attenuate or abruptly acuminate at the base, long-attenuate at the apex, thin, bright- 
green and lustrous on the upper surface, glabrous, or strigose along the veins, densely sericeous 
beneath with long lustrous fulvous hairs, glabrate in age, the costa slender, prominent, the lat- 
eral veins slender, about 8 on each side, arcuate, ascending at an acute angle; inflorescence 
terminal, short-pedunculate, the flowers sessile or subsessile in few-flowered cymes, these spi- 
cate, the spikes 7-12 cm. long; bracts linear-subulate; hypanthium sericeous-strigose; calyx- 
lobes 4, lance-oblong, 3-4 mm. long, attenuate, spreading; corolla white, the tube slender, 7—8 
mm. long, glabrous except at the top, there densely setose-pilose, naked in the throat, the 4 
lobes rounded, 1.5 mm. long, spreading; anthers and style included; capsule subglobose, 2.5 
mm. long, costate, glabrate. 
TYPE LOCALITY: Semicoch, Alta Verapaz, Guatemala, at an altitude of 600 to 900 meters. 
DISTRIBUTION: Guatemala to Costa Rica. 
27. Rondeletia heteranthera Brand. Univ. Calif. Publ. Bot. 4: 387. 
1913. 
Shrub, the branches slender, terete, grayish, strigillose when young but soon glabrate; 
stipules triangular, 2-3 mm. long, acuminate, erect, subpersistent, thick, brown, strigillose or 
glabrate; leaves opposite, the petioles stout, 3-5 mm. long, minutely strigillose or glabrate, the 
blades ovate, oval-elliptic, or broadly ovate, 6-10 cm. long, 2.5—4.2 cm. wide, rounded or very 
obtuse at the base, subabruptly acuminate to long-attenuate at the apex, glabrous or obscurely 
strigillose beneath along the veins, dark-green above or lustrous, slightly paler beneath, the 
costa slender, prominent, the lateral veins slender, 4-6 on each side, distant, arcuate, ascending 
at an angle of 45°-60°; inflorescence terminal and axillary, the flowers short-pedicellate, in 
few-flowered cymes, these short-pedunculate, arranged in narrow thyrsiform panicles 2—4 cm. 
long; bracts very small, linear; hypanthium strigillose, subglobose; calyx-lobes 4, triangular, 
unequal, 0.5 mm. long, acute, erect, shorter than the hypanthium; corolla minutely strigillose 
outside, the tube stout, 2.5-3 mm. long, naked in the throat, the 4 lobes rounded, about 1 
mm. long. 
TYPE LOCALITY: Bafios del Garrizal, Veracruz. 
DISTRIBUTION: Known only from the type locality. 
28. Rondeletia pansamalana Standley, sp. nov. 
Shrub, the branches slender, terete, strigillose when young; stipules triangular-subulate, 
4-6 mm. long, erect, persistent, thick, brown, strigillose; leaves opposite, the petioles slender, 
3-15 mm. long, strigillose, the blades elliptic or ovate-elliptic, 9-15 cm. long, 3—4.5 cm. wide, 
abruptly acute to attenuate at the base, subabruptly attenuate or long-attenuate at the apex, 
green above and glabrous, paler beneath, strigillose along the veins, the costa slender, promi- 
