66 NEW SPECIES OF SOUTH AMERICAN PLANTS 
ovate, scarious, brown, 
nerved, the deep-brown midrib terminating in a seta, the mar- 
and sparsely puberulent. Stems elongated, brown, angled or 
13 mm. long, i 
about 4 
mm. long, the filaments filiform, about half as long as the 
anthers, which are lanceolate and minutely mucronate. Petals 
wa 
nting. 
Pistillate Flowers.—Pedicels stouter than those of the 
staminate flowers. ary obovoid, 14 mm. long, 9 mm. broad, 
n 
Antahuacana, Espirito Santo, near Cochabamba, Bolivia, 
750 m., June 1909 (Buchtien, No. 2283). 
Begonia heterodonta. 
e with scattered stout tapering white hairs. Stems thickish 
brown, scarious, not early deciduous Petioles 3 or 4 mm. long 
dies of the blades 5 to IO cm. long, the blade highly inequi- 
„ateral, the larger side 2 to 4 cm. broad, its rounded base descend- 
Ing one or two cm. lower than the summit of the petiole, sup- 
ported by four ribs which rise together with the midrib from the 
summit of the petiole; smaller side 1 to 2 cm. broad, its margin 
points sub-setose. lowers etin a slenderly peduncled, loose 
and Open terminal cyme, on filiform pedicels. 
i Staminate flower.—1 erigone segments 2, ovate, twice as 
ong as the stamens, which are (always ?) 5 in number, the fila- 
aa at the base, little longer than the nearly rotund 
