added. One-half demitasse cupful (15 ce.?) is taken 
internally. 
Taxonomy 
I have identified the Sibundoy ‘‘ingo-sha-hush’’ as 
Neonelsonia acuminata (Bentham) Coulter & Rose ex 
Drude. Neonelsonia, described in 1895 by Coulter and 
Rose (4), comprises two species: the type, Neonelsonia 
ovata of the mountains of southern Mexico; and the spe- 
cies under consideration here. Neonelsonia acuminata is 
a scandent, herbaceous, essentially glabrous perennial 
with a long, woody taproot. The leaves are ternately 
compound with ovate to lanceolate, spinulose-serrate 
leaflets often lobed toward the base. The compound um- 
bels lack an involucre but possess filiform involucels 
which frequently surpass the fertile pedicels in length. 
The greenish yellow petals are obcordate, with a nar- 
row, inflexed tip. The ellipsoid-cordate fruits have five 
prominent, fleshy ridges. 
Neonelsonia acuminata bears many resemblances to 
various species of Arracacia, particularly, as noted by 
Constance (8), to_4. Pennellit Constance, A. Wigginsii 
Constance and 4. elata Wolff. Mathias and Constance 
(6) recognized six differences between Neonelsonia and 
Arracacia. Four of these differences—the shape of the 
petal apex, the degree of reduction of the calyx, the po- 
sition of the oil ducts, and the shape of the groove on the 
seed face—seem unimportant, for upon examination 
these characters are seen to grade from one genus to the 
other. Of greater importance in distinguishing these two 
genera is the wrinkled surface of the fruits of Neonelsonia, 
possibly lacking schlerenchymatous tissue, and more es- 
pecially, their ellipsoid-cordate form. 
Examination of sixteen type specimens of Arracacia 
in the Harvard University Herbarium shows that the 
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