Swartzia simplex var. grandiflora (Raddi) Cowan

Tounatea johnsonii Britton, sp. nov
Twigs slender, densely appressed-pubescent. Leaves 3-foliolate; rachis narrowly winged, the wing obsagittate, sparingly reticulate-veined; leaflets ovate to elliptic, subchartaceors, glabrous, finely reticulate-veined, bluntly and rather abruptly short-acuminate, the termi il one 6-9 cm. long, the lateral ones smaller; inflorescence sparingly pubescent, few-flowered' dicels short, slender, 6-9 mm. long; flower-buds globose, about S mm. in diameter.
Yucatan or Tabasco, collected many years ago, E. P. Johnson 116.

Tounatea cuneata Britton, sp. nov
Swartzia myrtifolia Pittier, Journ. Wash. Acad. 11 : 158, in part. 1891. Nut J. K. .Smith. 1819.
A small tree, the slender twigs glabrous or very nearly so. Leaves 3-foliolate, or the upper ones 1-folioIate; petiole 1-1.5 cm. long, very narrowly winged; rachis somewhat longer than the petiole, very narrowly winged, the wing obsagittate, faintly reticulateveined; leaflets elliptic, membranous, glabrous, abruptly and bluntly short-acuminate or obtuse at the apex, cimeate at the base, the terminal one 10-15 cm. long, the lateral ones much smaller; racemes about 4flowered; pedicels 10-20 mm. long; calyx about 7 mm. long, splitting into 3 oblong segments; stamens numerous, all nearly the same length and about as long as the calyx.
Vicinity of La Palma, southern Darien, Panama, June 1914, Pittier 6676.

Tounatea trifolia (Pittier) Britton & Rose
Swartzia trifolia Pittier, Journ. Wash. Acad. 11: 158. 1921.
A small tree, 4-5 m. high, glabrous throughout, the twigs slender, dark red and smooth. Leaflets 3, rarely 5, oblong-lanceolate, 4.5-9 cm. long, short-acuminate, coriaceous, shining; rachis narrowly winged; fruiting pedicels 1 cm. long; legume 3.5 cm. long, pointed, 1-seeded, with a stipe 8 mm. long; seed 2.5 cm. long, brown, shining.
Type locality : Savanna of La Tortuga between El Boquete and Caldera, Panama. Distribution: Known only from the type locality.

Tounatea darienensis (Pittier) Britton & Rose
Swartzia darienensis Pittier, Journ. Wash. Acad. 11: 159. 1921.
A small tree, 6-8 m. high, with a short trimk, the spreading top often with pendant branches, the twigs and leaves glabrous. Stipules linear, 4—6 mm. long; leaflets 1 or 3, subchartaceous, elliptic, 7-13 cm. long, bluntly short-acuminate or obtuse, delicately reticulateveined; rachis flattened, margined or narrowly winged, the wing obsagittate above; inflorescence 3-5-flowered, appressed-pubescent; pedicels 5-10 mm. long; calyx splitting into 3 or 4 segments about I cm. long; petal about 3 cm. broad; stamens numerous, the longer ones 4-9; ovary long-stipitate, 8ovuled.
Type locality : Warner Hill near Gorgona. Canal Zone, Panama. Distribution: Canal Zone. Panama; Honduras (according to Standley).

Tounatea subcoriacea Britton, sp. nov
A tree, up to about 10 m. high, the twigs and leaves glabrous, at least when old. Leaves 1-3-foIiolate; rachis or petiole narrowly winged, at least above, the wing auricled above; petiole of unifoliolate leaves about 4 mm. long; rachis of 3-foliolate leaves about 12 mm. long; leaflets subcoriaceous, broadly elliptic or ovate-elliptic, 8-17 cm, long, or some of them smaller; inflorescence few-flowered; fruiting pedicels 10-15 mm. long; legume ellipsoid to oblong, 2.5-5 cm. long, 12-20 mm. in diameter, 1or 2-seeded, subulate-beaked, nearly straight, sometimes constricted between the seeds, its stipe 7-9 mm. long.
Vicinity of Penomene, Panama, February 23-March 22, 190S, R. S. Williams 61.