New SPECIES or SOUTH AMERICAN PLANTS 31 
The plant is probably dimorphous, the above being a descrip- 
tion of the flower with long styles. 
Xanthoxalis flagellata. 
Pilose with divergent gland-tipped hairs. Branches much 
E ated, slender, strongly sulcate. Stipule 4 to 6 mm. long 
sparsely ciliate, the venation obscure. Peduncles to 7 cm. long, 
filiform. Calyx campanulate, 5 mm. long, 3 mm. broad, the 
sepals COH GEAR obtuse. te I2 mm. long. Dissection 
material wanting. Fruit not se 
"Unduavi, Bolivia, 3,300 her : aliiinde; November 1910." 
(Otto Buchtien, No. 2877.) 
Xanthoxalis mollissima. 
nsely pilose with spreading or mostly reflexed hairs. 
- He stoutish, but weak, coarsely nodose, the base said to be 
woody. Stipules us ME densely pilose and not clearly 
visible. Petioles to 12 . long, stout, pia sulcate. Leaf- 
lets 3, sessile, 3.5 to 4. = cm. long, 2.5 to 4 ee d, the ter- 
minal regularly obcordate with cuneate ee Pie acute sinus 
and rounded lobes, the lateral a little adie thickish for this 
the venation not prominent. Peduncle (but on 2 
long, ascending, bifid at the summit, the branches subtended 
y linear green bracts 5 mm. long, the Sete with similar 
ones. Flowers ‘ome on the renal the pedicels at length 
6 mm. or more lo ong. alyx 5 or 6 mm. long, green, thickish, 
the sepals — de abies Corolla nearly 2 cm. long, 
stoutly green-nerved. 
Dissection pee wanting. 
“A shrub, to 1 meter, Unduavi, Bolivia, 3,300 meters alti- 
tude, November r910.' (Otto Buchtien, No. 2882. 
Xanthoxalis biflexa. 
ounger portions sparsely pilose with short, soft, white 
hairs, ike leaves gray-tomentellate. Stems prostrate and 
ascending, tufted, to 1 dm. long, slender, angled, reddish. 
Stipules 2 mm. lo ong, oblong or ovate, obtuse or acutish, mostly 
free, adnate at the base, hyaline. Petioles to 2 cm . long, fili- 
Leaflets 3, sessile, 3 to 5 m long, 2 to 4 mm. broad, 
obovate, with cuneate bu and rounded pee thick, gray- 
green, Peduncle axillary, biota.. i flowered, 1 to 2 cm. long, 
