NEw SPECIES oF SOUTH AMERICAN PLANTS 33 
others but little shorter, the filaments thickish, the anthers 
broadly oval. Pistil 4.5 mm. long, the styles about as long as 
the oval ovary, stout, the stigmas double. Capsule not pres- 
ent. : 
"In an uncultivated field at La Paz, 3,750 meters altitude, 
January 13, 1907." (Otto Buchtien, No. 618. No. 3197 
from 200 meters lower, is probably the same. 
Erythroxylon densum. 
the nodes, the pedicels very short, nearly as broad as long. 
alyx 3 mm. broad, the sepals 1 mm. long, ovate, obtuse, thick 
and coriaceous. Petals 3 mm. long, erect, ovate, obtuse, bluntly 
keeled at the base, thick, minutely puberulent. : 
Ligule attached nearly at the base of the petal, and half 
“A tree to 25 feet, occasional in thickets on mountain 
ridges, 2500 to 4500 feet. Flowers white, in March, the flower- 
ing branchlets often leafless. Collected 6 miles N. E. v ser 
singa, 2500 feet, March 28." (Herbert H. Smith, Colombia, No. 
45.) Species near Æ. revolutum. May be the same as Schomb, 
Guiana, 925. 
Erythroxylon uniflorum. 
G s, the branchlets slender, flexuous, terete, bearing 
laige leaf-scars Stipules ovate, acute, early deciduous. Feti- 
les 3 mm. long, slender, narrowly margined, the margins 
the fine y and i nation pro 
strongly anastomosing ve : 
both surfaces, the crooked secondaries irregularly anastomosing. 
