Part 3, 1918] ALLIONIACEAE 181 
the bractlets triangular-lanceolate, acutish, 1 mm. long, the perianth tubular or tubular- 
funnelform, 4 mm. long, 1.5-2 mm. wide, the limb suberect, the 5 teeth sublanceolate, sub- 
obtuse; style exserted; fruit (immature) 8 mm. long and 3 mm. thick, fusiform-ellipsoid. 
TYPE LocALity: Santo Domingo. 
DistRrBUTION: Known only from the type locality. 
3. Torrubia rufescens (Heimerl) Britton, Bull. Torrey Club 31: 613. 
1904. 
Pisonia calophylla rufescens Heimerl, Bot. Jahrb. 21: 626. 1896. 
Pisonia rufescens Griseb.; Heimerl, Bot. Jahrb. 21: 626, as synonym. 1896. 
Branches stout, gray, striolate, glabrous, the branchlets stout, densely ferrugino-puberu- 
lent, the internodes 1.5-2.5 cm. long; leaves opposite, subequal or very unequal, the petioles 
stout, 0.3-1 cm. long, 2 mm. thick, the blades rounded-obovate to broadly oval, 4.2-5.6 cm. 
long, 2.8-4.5 cm. wide, broadly cuneate or obtuse at the base, broadly rounded or truncate 
at the apex, when young densely ferrugino-tomentulose on both surfaces, in age glabrous on 
the upper surface, thick-coriaceous, the margins plane, the lateral nerves nearly obsolete; 
staminate inflorescence cymose, 5 cm. broad, the flowers sessile or subsessile, the branches 
densely rufo-puberulent, the perianth narrowly campanulate, 3.5 mm. long, densely ferrugino- 
puberulent; stamens half longer than the perianth; pistillate flowers and fruit not known. 
Type Locatity: Cuba. 
DISTRIBUTION: Eastern Cuba. 
4. Torrubia obtusata (Jacq.) Britton, Bull. Torrey Club 31: 612. 
1904. 
Pisonia obtusata Jacq. Hort. Schoenbr. 3: 36. 1798. : 
Psidium cordatum Griseb. Fl. Brit. W. Ind. 242, in part. 1860. Not P. cordatum Sims, 1816. 
Psidium ? pulverulentum Krug & Urban, Bot. Jahrb. 19: 567. 1894. 
Pisonia calophylila Heimer|, Bot. Jahrb. 21: 625. 1896. 
Torrubia Cokeri Britton, Bull. Torrey Club 31: 613. 1904. 
Pisonia obtusata domingensis Heimerl, Symb. Ant. 7: 215. 1912. 
Torrubia domingensis Standley, Contr. U. S. Nat. Herb. 18: 100. 1916. 
Shrub or tree, 8 meters high or less, the branches stout, gray, the branchlets stout, rufo- 
puberulent when young, glabrate in age, spreading or ascending, the internodes 0.5—3 cm. long; 
leaves opposite, subequal, the petioles stout, 0.3-2 cm. long, 1.5-2 mm. thick, rufo-puberulent, 
the blades broadly oval, obovate-oval, oblong, or rounded-obovate, 4.5-11.5 cm. long, 2.5-7 
cm. wide, broadly rounded to cuneate at the base, broadly rounded at the apex, sometimes 
shallowly emarginate, thick-coriaceous, concolorous or slightly paler beneath, lustrous above, 
dull beneath, often sparsely puberulent beneath when young but soon glabrate, the margins 
revolute, the lateral veins slender, numerous, straight, the veinlets prominently and finely 
reticulate; peduncles terminal, stout or slender, 1.5-5 cm. long, sparsely rufo-puberulent or 
glabrate, the inflorescence cymose, many-flowered, 3-7 cm. broad, the branches slender or 
stout, divaricate, opposite or verticillate, sparsely puberulent, the flowers sessile or on pedicels 
1-2 mm. long, the bractlets ovate, 1 mm. long, puberulent; staminate perianth funnelform, 
3-5 mm. long, sparsely puberulent, greenish-white, the limb obtusely 5-dentate; stamens 
usually 6, twice as long as the perianth; pistillate perianth oblong-ellipsoid, 2.5-3 mm. long, 
slightly constricted below the apex, obtusely 5-dentate; fruit 6-7 mm. long, 3-3.5 mm. in 
diameter, bright-red, coarsely striate; seed oblong, 4.5 mm. long, brown, striate. 
Tver Locality: Island of New Providence, Bahamas. . 
DistRiBution: Low thickets, usually near the sea, Bahamas, Cuba, Santo Domingo, and 
amaica. 
2 ILLUSTRATION: Jacq. Hort. Schoenbr. 3: pl. 314. 
5. Torrubia floridana Britton, Bull. Torrey Club 31: 615. 1904. 
Pisonia floridana Britton; Small, Fl. SE. U.S. 411. 1903. 
A low shrub with irregular branches; petioles slender 3-8 mm. long; leaf-blades oval- 
obovate or cuneate-obovate, 1-3 cm. long, 0.6-1.3 cm. wide, cuneate at the base, rounded 
at the apex, densely puberulent; pistillate cymes few-flowered, terminal, 1~3 cm. broad, on 
