1108 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



3. Rapanea ferruginea (Ruiz & Pav.) Mez in Urb. Symb. Antill. 2: 429. 1901. 



Cahalleria ferruginea Ruiz & Pav. Syst. Veg. Peruv. Cbil. 250. 1798. 



Myrsine ferruginea Spreng. Syst. Veg. 1: 664. 1825. 



Myrsine myricoides Schlecht. Linnaea 8: 525, 1833. 



Durango to Tepic, Oaxaca, and Veracruz. West Indies; Central and South 

 America ; type from French Guiana. 



Shrub or small tree, 4 to 8 meters high ; leaves slender-petiolate, lanceolate 

 or oblanceolate, 5 to 12 cm. long, acute, attenuate at base, pubescent or glabrate 

 beneath, thin ; inflorescences 3 to 9-flowered, the flowers 2 to 3.5 mm. long ; 

 fruit 2 to 3 mm. in diameter, blaclf. "Laurel chino " (Durango); " raton " 

 (Costa Rica); '*arraya.n," " arrayjin bobo," " badula," *' cucfibano," "ma- 

 meyuelo " (Porto Rico). 



3. STYLOGYNE DC. Ann. Sci. Nat. II. 16: 78. 1841. 



1. Stylog-yne laevis (Oerst.) Mez in Engl. Pflanzenreich IV. 236: 268. 1902. 



Ardifiia laevis Oerst. Nat. For. Kjobenhavn Vid. Medd. 1861: 125. 1861. 



Tabasco. Central America; type from Volc^n de Irazti, Costa Rica. 



Branchlets glabrous ; leaves petiolate, elliptic or oblong-elliptic, about 12 

 cm, long and 5 cm. wide, short-acuminate, acute at base, entire, coriaceous, 

 glabrous ; flowers corymbose, in terminal panicles, glabrous, about 4 mm. long,. 

 5-parted ; sepals ovate, rounded at apex, short-connate ; petals subelliptic, acute^ 

 punctate; stamens much shorter than the petals; ovary glabrous. 



4. ICACOBEA Aubl. PI. Guian. 2: Suppl. 1. 1775, 



Shrubs or trees ; leaves petiolate, entire, crenate, or serrate ; flowers small, 

 white or pink, 5-parted ; sepals free or short-connate ; petals short-connate, 

 the lobes spreading or recurved, dextrorsely imbricate; stamens inserted at 

 the base of the corolla tube; fruit globose, 1-seeded, bearing the persistent 

 style at the apex. 



Bracts ovate or elliptic, but caducous; flowers in racemes or spikes upon the 

 branches of the panicle. 

 Sepals dextrorsely imbricate. 



Petals conspicuously biseriate-lineate 1. I, karwinskyana. 



Petals punctuiate at apex, elsewhere furnished with a few pale obscure 



lines 2. I. lindenii. 



Sepals imbricate or quincuncial, not dextrorsely imbricate. 



Stamens shorter than the petals 3. I. revoluta. 



Stamens equaling or longer than the petals. 



Flowers racemose 4. I. paniculata. 



Flowers spicate 5. I. spicigera.^ 



Bracts minute, triangular or scalelike; flowers in corymbs or umbels in the 

 panicle. 

 Filaments glandular-pubescent; sepals and petals with numerous slender 



lines 6, I. nigrescens. 



Filaments glabrous ; sepals and petals punctate or with broad lines. 

 Leaves closely pectinate-dentate, the teeth very acute. 



Sepals and ovary punctate 7. I, pellucida. 



Sepals and ovary not punctate 8, I. pectinata. 



Leaves entire or crenulate. 



Sepals ciliate 9, I. crenipetala^ 



Sepals not ciliate. 



Anthers elliptic; leaves crenate 10, I, liebmanniL 



Anthers linear; leaves entire 11. I. compressa. 



