Part 3, 1918] ALLIONIACEAE 177 
9. Neea tenuis Standley, Contr. U. S. Nat. Herb. 13: 384. 1911. 
Branches slender, smooth, brownish, glabrous; leaves opposite, or the upper verticillate, 
the petioles about 3 mm. long, the blades elliptic-oblong or lance-elliptic, 4.4-5 cm. long, 
1.4-1.9 cm. wide, broadest at or slightly below the middle, obtuse or acutish at the base, 
rather abruptly attenuate or long-acuminate at the apex, thin, glabrous; peduncles of the 
staminate cymes 6-7 cm. long, slender, almost filiform, flexuous, pendulous, glabrous, the 
cymes loosely many-flowered, 4 cm. wide and about as long, the slender branches spreading, 
sparsely rufo-puberulent or glabrate, the bractlets lance-subulate, the pedicels filiform, equaling 
or longer than the flowers, the perianth urceolate, 3-4 mm. long, glabrous or nearly so; stamens 
6, one third as long as the perianth, the filaments unequal; pistillate flowers and fruit not 
known. 
TYPE LocaLity: About Orizaba, Veracruz. 
DISTRIBUTION: Known only from the type locality. 
ILLUSTRATION: Contr. U.S. Nat. Herb. 13: pl. 74. 
10. Neea sphaerantha Standley, Contr. U. S. Nat. Herb. 13: 384. 
1911. 
Branches slender, grayish, smooth, glabrous; leaves opposite, the petioles 4-10 mm. 
long, the blades oblong or oval to elliptic-oblong, 1.7—5.3 cm. long, 0.9-2 cm. wide, obtuse or 
acutish at the apex, rounded or broadly cuneate at the base; peduncles of the staminate cymes 
2.2-4 em. long, slender, glabrous, the cymes many-flowered, 4 cm. broad or less, the branches 
sparsely puberulent or glabrate, the bractlets lanceolate, the perianth urceolate, 4-5 mm. 
long and nearly as broad, short-pedicellate, raphidulous, obscurely 4-dentate at the apex; 
stamens 6, unequal, slightly more than half as long as the perianth; pistillate flowers and 
fruit not known. 
Type LocaLity: Izamal, Yucatan. : 
DistrRiuTION: Known only from the type locality. 
11. Neea delicatula Standley, Contr. U. S. Nat. Herb. 18: 98. 
1916. 
Branches slender, greenish-gray, glabrous, the branchlets slender, ferrugino-puberulent 
when young but soon glabrate, the internodes short; leaves mostly opposite, the petioles 
slender, 4-7 mm. long, the blades elliptic, elliptic-obovate, or oblong-oval, 2.2-6 cm. long, 
0.9-2 em. wide, cuneate to acutish at the base, abruptly acuminate at the apex with a narrowly 
triangular acutish or usually obtuse acumen, thin, deep-green, concolorous, glabrous and dull 
on the upper surface, sparsely rufo-puberulent beneath along the costa, the margins plane, 
the lateral veins obsolete or nearly so; peduncles of the staminate cymes 2.2-4.5 cm. long, 
terminal and axillary, nearly filiform, flexuous, glabrous, the cymes few- or many-flowered, 
2-5 cm. wide, the flowers on slender pedicels 4-15 mm. long, the bractlets triangular-oblong, 
acute, 1 mm. long, puberulent, the perianth urceolate, acutish at the base, 4.5 mm. long,.3 mm. 
wide, puberulent at the apex, elsewhere glabrate, minutely 5-dentate; stamens 7, the filaments 
very unequal, the anthers 1 mm. long; pistillate flowers and fruit not known. 
Type Locatity: In forests on dry limestone around Alhajuela, Chagres Valley, Panama, 
altitude 30 to 100 meters. 
DISTRIBUTION: Panama. 
12. Neea demissa Heimerl, Symb. Ant. 7: 219. 1912. 
Small tree, the branchlets flexuous, spreading, slender, grayish-brown, densely ferrugino- 
puberulent when young, glabrate in age; leaves opposite, the petioles slender, 6—13 mm. long, 
the blades lanceolate, widest at the middle, nearly equally long-acuminate or narrowed at 
both ends, 3.7-6.6 cm. long, 1.3-2.4 cm. wide, thin-chartaceous, punctulate above and sparsely 
short-pilose along the nerves, beneath minutely striolate, the lateral nerves 5-7 on each side, 
arcuate; peduncles of the pistillate cymes 1-2.5 cm. long, slender, the cymes few-flowered, 
1.5 cm. long and 1 cm. wide, the branches few, alternate, ascending, the flowers solitary, 
