Part 2, 1921] RUBIACEAE 143 



7. Watsonamra gymnopoda Standlev, Contr. U. S. Nat. 

 Herb. 17: 444. 1914. 



Shrub, 2-2.5 meters high, the branchlets thick, minutely puberulent or glabrate; stipules 



oblong-ovate or lance-oblong, 3-6 cm. long, acuminate or attenuate, sparsely strigillose or 



glabrate outside; petioles 7-23 cm. long, naked below, winged above, strigillose-puberulent 



or glabrate, the wings 1.5 cm. wide or narrower; leaf-blades 25-68 cm. long and 17-72 cm. 



wide or larger, herbaceous or chartaceous, bright-green and glabrous above, paler beneath, 



strigillose-puberulent along the veins, pinnatifid nearly to the costa, with 9-13 lobes, these 



divergent, linear-oblong, 6.5 cm. wide or narrower, somewhat contracted below, attenuate to 



the acute apex, the venation prominent; cymes densely few-flowered, the peduncles 6-9 mm. 



long; bracts oblong, obtuse or acute, 2-3 cm. long or smaller, sparsely strigillose, ciliate; fruit 



ovoid-globose, 1.8 cm. long and 1.4 cm. thick, sparsely tuberculate; seeds numerous, brown, 



3-4.5 mm. long, minutely reticulate. 



Type locality: In forests, Loma de Gloria, near Fato, Province of Colon, Panama, altitude 

 10 to 100 meters. 



Distribution: Known only from the type locality. 



8. Watsonamra Pittieri Standley, Contr. U. S. Nat. Herb. 

 17:443. 1914. 



Branchlets thick, obtusely quadrangular, glabrate; stipules lance-oblong, 5.5 cm. long, 



cuspidate-attenuate, densely and minutely sericeous outside; petioles 14-17 cm. long, minutely 



sericeous when young but soon glabrate, auriculate at the base, the auricles purplish-red, 



rounded, crispate, about 8 cm. long, the margins irregularly lobed; leaf-blades 68 cm. long and 



58 cm. wide or smaller, truncate or obtuse at the base, chartaceous or subcoriaceous, glabrous, 



or minutely sericeous beneath along the veins, deeply pinnatifid, with 9 or 1 1 lobes, these 



ascending or subdivaricate, narrowly oblong, acute or abruptly acute; cymes few-flowered, 



the peduncles 2.5 cm. long or shorter, the flowers subsessile; bracts oblong or narrowly oblong, 



1-2 cm. long, acute, persistent, finely sericeous outside, ciliate; hypanthium 5 mm. long, 



densely sericeous; calyx 1.5 cm. long, sparsely sericeous, striate, the lobes oblong-ovate, obtuse 



or acutish, about 4 mm. long; corolla-tube about 2.5 cm. long, sparsely appressed-pilose; 



fruit globose, about 2 cm. in diameter, smooth, glabrate. 



Type locality: In forests around Puerto Obaldia, San Bias Coast, Panama, altitude 50 meters 

 or less. 



Distribution: Known only from the type locality. 



9. Watsonamra brachyotis Standley, Contr. U. S. Nat. 

 Herb. 17: 443. 1914. 



Small tree, about 3.5 meters high, the trunk 2.5 cm. thick, the wood yellowish-white, the 

 branches grayish, glabrate; petioles 8-10 cm. long, minutely sericeous or glabrate, auriculate at 

 the base, the auricles 2.5 cm. long or shorter, red, crispate, the margins undulate; leaf-blades 

 rhombic, 33-37 cm. long, 42-46 cm. wide, obtuse at the base, chartaceous, glabrous above, 

 minutely sericeous beneath along the veins, pinnatifid nearly to the costa, with 7 lobes, these 

 narrowly oblong, 4—6 cm. wide, obtuse-acuminate ; cymes densely few-flowered, short-peduncu- 

 late or subsessile; bracts broadly ovate, 5-10 mm. long, acute or acutish, persistent, striate, 

 sparsely sericeous outside, ciliate; hypanthium 3-4 mm. long, sericeous; calyx tubular-campanu- 

 late, 10-12 mm. long, striate, sparsely sericeous, the lobes 5-6 mm. long, ovate-oval, obtuse, 

 ciliate; corolla red, the tube 3 cm. long, 2.5-4 mm. thick, glabrous below, sparsely and minutely 

 sericeous above, the lobes ovate, 3-4 mm. long, acute ; filaments pilose at the base, about 1 cm. 

 long; style 1.5-2 cm. long. 



Type locality: Near Marraganti, Panama. 

 Distribution: Known only from the type locality. 



51. SOMMERA Schlecht. Linnaea 9: 602. 1834. 



Branched shrubs or small trees, more or less pubescent, the branchlets terete. Leaves 

 opposite, petiolate, membranaceous, broad, conspicuously lineolate with numerous fine parallel 



