184 NORTH AMERICAN FLORA [VoLuME 21 
elliptic, broadest at the middle, 7-11 em. long, 1.8-3.4 cm. wide, attenuate at the base, rather 
abruptly long-attenuate or subcaudate at the apex, with an obtuse acumen, thin, deep-green, 
concolorous, glabrous, the margins plane, the lateral veins numerous, very slender, straight, 
the veinlets finely reticulate; staminate peduncles terminal and axillary, 2-3 cm. long, slender, 
sparsely ferrugino-puberulent, the inflorescence cymose, 2—3.5 cm. broad, the primary branches 
verticillate, short, densely puberulent, the bracts minute or wanting, the flowers mostly soli- 
tary, on stout pedicels 1 mm. long or less, the bractlets ovate-oblong, acutish, 0.5 mm. long, 
the perianth broadly funnelform, 2—2.5 mm. long, puberulent, white, the teeth minute, broad, 
obtuse; stamens 5, twice as long as the perianth; pistillate flowers and fruit not known. 
TyPE Locality: In forests about Nicoya, Costa Rica. 
DiIstRIBUTION: Known only from the type locality. 
12. Torrubia linearibracteata (Heimerl) Standley, Contr. U. S. Nat. 
Herb. 18: 100. 1916. 
Pisonia linearibracteata Heimerl, Repert. Sp. Nov. 12: 221. 1913. 
Branches spreading, slender, straight or flexuotus, grayish or grayish-brown, densely 
striolate, the internodes 9.3~3.2 cm. long, glabrate, the branchlets rufo-puberulent; leaves 
opposite or, at the apices of the branchesy verticillate, equal or unequal, the petioles 4-10 mm. 
long, | mm. thick, glabrous, the blades rhombic-elliptic to broadly lance-elliptic, rarely obovate 
or oblanceolate-elliptic, 7.5 cm. long and 4.3 cm. wide or smaller, usually widest at the middle, 
usually equally and shortly acuminate or attenuate at both ends, the apex subobtuse, charta- 
ceous, concolorous, dull, glabrous, the margins slightly revolute, the lateral nerves 5-8 on each 
side, slender, nearly straight, the veinlets few and laxly branched; staminate peduncles 3.2- 
6.4 cm. long, stout, glabrous or sparsely hirtellous, the inflorescence corymbose-paniculate, 
3.5-6.5 em. broad, many-flowered, lax, the branches rufo-puberulent, the bracts linear, 1.5+ 
3.5 mm. long, the flowers mostly solitary, on pedicels 1-2.5 mm. long, the bractlets linear to 
linear-lanceolate, acutish, 1-1.5 mm. long, the perianth fumnelform, 4-4.5 mm. long, rufo- 
puberulent, the limb 3 mm. broad; stamens 7 or 8, 5-7 mm. long; pistillate flowers and fruit 
unknown. 
TYPE LocALIty: In forest, Chichen ItzA, Yucatan. 
DIstTRIsuTION: Known only from the type locality. 
13. Torrubia Dussii Standley, Contr. U. S. Nat. Herb. 18: 99. 
1916. 
Pisonia obtusata Heimerl, Bot. Jahrb. 21: 624, in part. 1896. Not P. obtusata Jacq. 1798. 
Tree of medium size, the branches stout, rugose, sordid-grayish, the branchlets stout, 
glabrous except at the nodes, there puberulent, the internodes short; leaves opposite, unequal, 
the petioles rather stout, 4-8 mm. long, glabrous, the blades oval or oval-oblong, 8-10 cm. 
long, 4-6 cm. wide, rounded or obtuse at the base, abruptly acute or cuspidately short-acumi- 
nate at the apex, rarely acute, with a usually obtuse acumen, thin, concolorous, lustrous above, 
duli beneath, glabrous, the margins plane, the lateral veins slender, straight, 6-12 on each 
side, the veiulets nearly obsolete, laxly and sparsely reticulate; peduncles stout, 3.5-4.5 cm. 
long, glabrous, the inflorescence cymose, 6-8 cm. broad, many-flowered, glabrous, the branches 
stout, the flowers sessile, glomerate, the bractlets oblong or deltoid-oblong, acutish, 1 mm. 
long or shorter, glabrous; staminate perianth funnelform-campanulate, 6-7 mm. long, glabrous, 
the limb obscurely dentate; stamens 6, half longer than the perianth; fruit ellipsoid, 11 mm. 
long, 3 mm. in diameter. 
TYPE LOCALITY: Guadeloupe. 
DistRipution: Guadeloupe and Martinique. 
14. Torrubia coriifolia (Heimerl) Standley, Contr. U. S. Nat. Herb. 
18: 100. 1916. 
Pisonia coriifolia Heimerl, Symb. Ant. 7: 213. 1912. 
Small tree, the branches grayish, rugulose, glabrous, the branchlets ferrugino-puberulent; 
leaves opposite, the petioles stout, 5-12 mm. long, glabrous, the blades broadly obovate or 
