138 NORTH AMERICAN FLORA [Volume 32 



1 . Cassupa panamensis Standley, Contr. U. S. Nat. 

 Herb. 18: 135. 1916. 



Branchlets densely short-pilose or tomentose with fulvous hairs; stipules triangular, 

 10-12 mm. long, acuminate, thick; petioles stout, 3-6.5 cm. long, cinereo-puberulent; leaf- 

 blades oval or broadly oval, 26-34 cm. long, 12-17 cm. wide, rounded or obtuse at the base 

 and abruptly decurrent, cuspidate-acuminate at the apex, with an acute acumen 2.5-3 cm. 

 long, bright- green above, lustrous, puberulent along the veins, elsewhere glabrous, the vena- 

 tion impressed, whitish beneath with a fine close tomentum, puberulent along the veins, the 

 lateral veins prominent, 18-20 on each side, straight, divergent, arcuately anastomosing near 

 the margin, the secondary veins prominently reticulate; inflorescence many-flowered, 15-19 

 cm. long, 11 cm. wide, the peduncle 5 cm. long, the flowers partly sessile and partly on stout 

 compressed pedicels 5-10 mm. long; hypanthium 4-5 mm. long, the calyx about 1 mm. long, 

 ciliolate; corolla white, the tube 5.2 cm. long, dilated above, finely tuberculate, sparsely pu- 

 berulent, the lobes oblong, 11 mm. long, 4.5 mm. wide or narrower, obtuse or acute; filaments 

 3 mm. long, the anthers 9 mm. long; style 3.2 cm. long, puberulent; fruit subglobose, 1 cm. 

 long (immature), glabrous; seeds about 1 mm. long, foveolate. 



Type locality: Along the Rio Fat6, Province of Colon, Panama, altitude 10 to 100 meters. 

 Distribution: Known only from the type locality. 



47. ISERTIA Schreb. Gen. 234. 1789. 



Phosanlhus Raf. Ann. Gen. Sci Phys. 6: 82. 1820. 

 Brignolia DC. Prodr. 4: 444. 1830. 

 Bruinsmania Miq. Linnaea 17: 72. 1843. 



Trees or shrubs, more or less pubescent, the branchlets terete. Leaves opposite or ternate, 

 petiolate, usually coriaceous. Stipules suprapetiolar, 2 between each 2 leaves, remote at the 

 base, narrow, erect. Flowers usually large, short-pedicellate, red and yellow, rarely white, 

 cymose-corymbose or cymose-paniculate, the pedicels bracteolate; hypanthium subglobose 

 or ovoid; calyx short, 4-6-dentate or truncate, persistent; corolla tubular-funnelform or salver- 

 form, coriaceous, the tube often costate, barbate in the throat, the limb 4-6-lobate, the lobes 

 short, valvate, some of them sometimes larger and contorted-imbricate, the sinuses some- 

 times thickened. Stamens 4-6, inserted in the tube of the corolla; filaments short, complanate; 

 anthers dorsifixed, linear, acuminate, included, bilobate at the base. Disk annular, swollen. 

 Ovary 4-6-celled; style slender, 2-6-partite at the apex, or with a thickened stigma; ovules 

 numerous, multiseriate, the placentae swollen, affixed to the axis of the ovary. Fruit baccate, 

 small, globose or ovoid, 4-6-pyrenate, the pyrenes cartilaginous, many- or few-seeded. Seeds 

 minute, subglobose, the testa crustaceous, foveolate; endosperm fleshy; embryo clavate, bifid. 



Type species, Cuettarda coccinea Aubl. 



Corolla 7-8 cm. long. 1. I. coccinea. 



Corolla 1.7-3.5 cm. long. 2. I. Haenkcana. 



1. Isertia coccinea (Aubl.) J. F. Gmel. Syst. Nat. 2: 567. 1791. 



Gueltarda coccinea Aubl. PI. Guian. 317. 1775. 



Shrub or tree, the trunk sometimes 3-4 meters high and 15-20 cm. in diameter, the bark 

 gray or reddish, the branchlets thick, ferrugino-tomentose; stipules oblong or ovate-oblong, 

 rounded and mucronulate at the apex, 1.5 cm. long, 7 mm. wide, tomentulose or glabrate out- 

 side; petioles 1.5-4.5 cm. long, tomentulose; leaf-blades oval or oblong-oval, 15-34 cm. long, 

 6-17 cm. wide, rounded and abruptly short-decurrent at the base, abruptly acuminate at the 

 apex, chartaceous, glabrous above, ferrugino-tomentulose beneath, the lateral veins prominent, 

 18-20 on each side, divergent; inflorescence cymose-paniculate, 12-20 cm. long, the lowest 

 bracts sometimes foliaceous, the others small, lance-triangular; hypanthium 4 mm. long, the 

 calyx 3-4 mm. long, purplish, truncate or 4-dentate; corolla 7-8 cm. long, red, ferrugino- 

 tomentulose outside, the lobes about one eighth as long as the tube, oblong-lanceolate, acute, 

 yellow-barbate within; anthers 9 mm. long, yellow; style 7.5-o.5 cm. long, divided at the apex 



