STANDLEY TREES AND SHRUBS OF MEXICO. 1107 



Petals distinct 1. HEBERDENIA. 



Petals united. 



Flowers fasciculate in the leaf axils 2. RAPANEA. 



Flowers paniculate. 



Style short and stout 3. STYLOGYNE. 



Style long and slender. 

 Ovules pluriseriate ; petals dextrorsely convolute, usually glabrous. 



4. ICACOREA. 

 Ovules uniseriate; petals valvate, pubescent 5. PARATHESIS. 



1. HEBERDENIA Banks; DC. Ann. Sci. Nat. II. 16:79. 1841. 



One other species is known, a native of Madeira and the Canaries. 



1. Heberdenia penduliflora (DC.) Mez in Engl. Pflanzenreich IV. 236: 159. 

 1902. 



Myrsine penduliflora DC. Trans. Linn. Soc. Bot. 17: 110. 1834. 



Veracruz, Puebla, and Oaxaca. 



Glabrous shrub ; leaves short-petiolate, oblong-elliptic or elliptic, 3.5 to 8 

 cm. long, obtuse, cuneate at base, lustrous, entire ; flowers 5-parted, in axillary 

 fascicles, about 3.5 mm. long ; sepals rounded ; petals rounded-elliptic, pink, 

 puncticulate ; fruit globose, about 5 mm. in diameter, tipped by the slender 

 persistent style. 



2. RAPANEA Aubl. PI. Guian. 121. 1775. 



Shrubs or trees ; leaves entire ; flowers small, clustered in the leaf axils, 

 bracteolate, 4 or 5-parted ; sepals short-connate, ciliolate ; petals short-connate, 

 spreading or recurved ; stamens inserted in the throat of the corolla ; fruit 

 dry or flesliy, 1-seeded. 



Branchlets glabrous. 



Leaves obtuse or subacute, prominulous-reticulate beneath. 



1, R. jurgensenii. 



Leaves rounded at apex, not reticulate 2, R. guianensis. 



Branchlets short-pilose 3. R. ferruginea. 



1. Rapanea jurgensenii Mez in Engl. Pflanzenreich IV. 236: 388. 1902. 

 Tepic to Oaxaca ; type from Sierra San Pedro Nolasco, Oaxaca. 

 Glabrous shrub ; leaves short-petiolate, oblong or oblong-oblanceolate, 8 to 



12 cm. long, obtuse or subacute, attenuate at base, coriaceous ; inflorescence 

 5 to 9-flowered, shorter than the petiole, the flowers less than 2 mm. long; 

 petals punctate. 



2. Rapanea guianensis Aubl. PI. Guian. 121. pL ^6. 1775. 

 Myrsine rapanea Roem. & Schult. Sj'st. Veg. 4: 509. 1819. 

 Myrsine guianensis Kuntze, Rev. Gen. PI. 2: 402. 1891. 



Chiapas and probably elsewhere. Florida, West Indies and South America. 



Shrub or small tree, sometimes 6 meters high, with a trunk IG cm. in di- 

 ameter, the bark thin, close, grayish; leaves oblong or obovate,.4 to 10 cm. 

 long, cuneate at base, coriaceous, lustrous above, the margins revolute; in- 

 florescences 3 to 7-flowered, shorter than the petioles, the flowers 2 to 2.5 mm. 

 long ; sepals and petals spotted and striped with purple ; fruit globose, black 

 or bluish, about 4 mm. in diameter; wood hard, strong, close-grained, light 

 yellowish brown. " Badula," " mameyuelo " (Porto Rico). 



