50 New SPECIES or SOUTH AMERICAN PLANTS 
narrowly margined except at the base. Blades about 1 dm. 
long, 4 or 5 cm. broad, oval with the base very abruptly con- 
tracted into the petiole and with abruptly very short-acuminate 
and acute summit, thick and coriaceous, somewhat shining 
Capsule 12 to I4 mm. long, externally light-brown, muricate 
and pitted where the trichomes have disarticulated, the valves 
thick and woody, within light brown and shining. Seed not 
seen. A low tree. 
Near Ingles-Ingles, Bolivia, 6000 feet, August 8, 1902. (R. 
S. Williams, No. 1576.) 
Sebastiania (Microstachys) Boliviana. 
A ound t 
summit, sparsely serrulate, thickish, the midrib broad, the 
secondaries about 6 on each side, widely spreading, crooked, 
connecting at some distance from the margin, the remaining 
i i opposite 
or two at the base. Staminate flowers sessile, the bracts ovate, 
acute. Pistillate flowers sub-sessile, the styles stout, strongly 
recurved. Capsule 4 mm i i 
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Grayish-puberulent throughout. Stems elongated, slender, 
d, flexuous, prostrate or ascending, the 
HU as and Stipules minute or obsolete. Petioles 1-5 
pair sd nd nearly as broad. Leaves opposite, those of the 
TER P Or sub-equal, the blades 6 to 12 mm. long and two- 
S or more as broad, inequilaterally oval with lightly cordate 
