Part 3, 1918] ALLIONIACEAE 183 
the internodes short; leaves opposite, subequal, the petioles slender, 3-8 mm. long, glabrous, 
the blades narrowly obovate-oblong to obovate, broadest above the middle, 3—-5.5 cm. long, 
1-2 em. wide, cuneately attenuate or long-attenuate at the base, rounded or obtuse at the 
apex, often retuse, deep-green, subconcolorous, dull, glabrous, the margins revolute, the 
lateral veins obsolete or nearly so; peduncles slender, 1-1.5 cm. long, glabrous, the inflorescence 
corymbose, glabrous, few-flowered, 1.5 cm. broad, the flowers sessile, the bractlets oblong, 
1 mm. long, glabrous; pistillate perianth narrowly ellipsoid-oblong, 3 mm. jong, slightly con- 
stricted below the apex, obtusely 5-denticulate; style slightly exserted; fruit oblong-obovoid, 
7-8 mm. long, 2 mm. in diameter, claret-red. 
TYPE LOCALITY: Coastal coppice, Ft. Montague, New Providence, Bahamas. 
DistrrsuTion: In coastal thickets, Bahamas. 
9. Torrubia cuspidata (Heimerl) Standley, Contr. U. 5. Nat. Herb. 
18: 100. 1916. 
Pisonia cuspidata Heimerl, Bot. Jahrb. 21: 628. 1896. 
Tree, 6 meters high, the branches divaricate, yellowish-brown, rugulose, glabrous, the 
branchlets rufo-puberulent, leafy at the apex; petioles 1-2.5 cm. long; leaf-blades lance-elliptic 
or ovate, broadest below the middle, 11.5-15 em. long, 4.8-7 cm. wide, subdecurrent at the 
base, gradually or abruptly acuminate or attenuate at the apex, usually subcuspidate, with 
an obtuse or acute acumen, densely ferrugino-puberulent when young, glabrate and dull in 
age, thin-coriaceous, the lateral veins prominent, 6-9 on each side, arcuate, laxly anastomosing 
near the plane margins; peduncles stout, 5-7 cm. long, terminal, the inflorescence cymose, 
many-fiowered, dense, the branches rufo-puberulent, ascending, the ultimate cymules 3-many- 
flowered, the flowers sessile or rarely on pedicels 1-3 mm. long, the bractlets ovate-triangular, 
1 mm. long, puberulent; staminate perianth obconic, 3-4 mm. long, rufo-puberulent, the limb 
shortly 5-dentate, the teeth triangular, obtuse; stamens 7, 6-8 mm. long; pistillate perianth 
oblong-ovoid, 2.5-3 mm. long; fruit not known. 
Tyex Locatrty: Along the Caroni River, Trinidad. 
DistrRiBuTion: Grenada and Trinidad. 
10. Torrubia potosina Standley, Contr. U. S. Nat. Herb. 18: 99. 
1916. 
Branches slender, grayish, striolate, the branchlets slender, sparsely ferrugino-puberulent 
when young, the internodes 1.5-7 cm. long; leaves opposite, subequal or unequal, the petioles 
slender, 4-6 mm. long, sparsely ferrugino-puberulent, the blades oval or oblong-oval, rarely 
orbicular-oval, 5-10.5, or rarely only 3.5, cm. long, 2.2-5 cm. wide, rounded or acutish at the 
base, acute or usually cuspidately acute or acuminate at the apex, thin, glabrous, concolorous, 
slightly lustrous on the upper surface, the lateral veins prominent, divergent, nearly straight, 
about 8 on each side, laxly anastomosing near the margins, the secondary veins laxly and 
inconspicuously reticulate; pistillate peduncles terminal and axillary, 2.5-7.5 cm. long, very 
slender, sparsely puberulent or glabrous, the inflorescence few-flowered, cymose-paniculate, 
1.5-3.5 cm. long, the branches opposite or dichotomous, divergent, sparsely ferrugino-puberu- 
lent, the flowers solitary or in cymules of 3, sessile or on pedicels 4 mm. long or shorter, the 
bractlets acute, about 0.5 mm. long, puberulent, the perianth elliptic-oblong, 2.5-3 mm, long, 
slightly constricted in the throat, sparsely ptuberulent, the teeth triangular, acute, erect; 
fruit oval, 7 mm. long, 4.5 mm. in diameter; utricle finely striate; seed elliptic-oblong, 6 mm. 
long, 2.5-3 mm. in diameter, brown. 
Type Locality: Near Rascén, San Luis Potosi. 
DIsTRIBUTION: Known only from the type locality. 
11. Torrubia costaricana Standley, Contr. U. S. Nat. Herb. 13: 385. 
1911. 
A small tree, the branches slender, gray, striolate, glabrous, the slender branchlets fer- 
rugino-puberulent when young but soon glabrate, the internodes 0.7-4.5 cm. long; leaves oppo- 
site, subequal, the petioles slender, 5-10 mm. long, sparsely puberulent or glabrous, the blades 
