1034 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



2. Calyptrantlies lindeniana Berg, Llnnaea 29: 213. 1857. 

 Known only from the type locality, Rio Teapa, Tabasco. 



Branchlets strigose-sericeous ; petioles 4 mm. long ; leaves narrowed to each 

 end, pilosulous or glabrate ; cymes half as long as the leaves, strigose-sericeous ; 

 buds 3 mm. long ; petals none. 



3. Calyptranthes euryphylla Standi., sp. nov. 



Type from Catemaco, Veracruz (Nelson 421; U. S. Nat. Herb. no. 569276). 



Branches terete, gray, glabrous ; petioles very stout, 2.5 mm. long or shorter : 

 leaf blades ovate-elliptic or elliptic-oval, 3.5 to 6.5 cm. long, 1.8 to 4 cm. wide, 

 rounded at base, abruptly short-acuminate at apex, with obtuse t:p, coriaceous, 

 when young minutely strigillose beneath but soon glabrate, the lateral nerves 

 slender but conspicuous on both surfaces, numerous ; cymes equaling or longer 

 than the leaves, strigillose or glabrate, the flowers sessile ; fruit didymous- 

 globose, about 6 mm. long and 7 mm. broad, 2-celled, 2-seeded. 



4. Calyptranthes zuzygium (L.) Swartz, Prodr. Veg. Ind. Oce. 79. 1788. 

 Myrtus xusyghim L. Syst. Nat. ed. 10. 1056. 1759. 



MichoacAn and Tres Marias Islands. Florida and Greater Antilles. 



Tree, sometimes 12 meters high ; leaves short-petiolate or subsessile, elliptic- 

 oblong to obovate-elliptic, 3.5 to 7 cm. long, acute at base, coriaceous; cymes 

 equaling or longer than the leaves, glabrous or nearly so, the flowers mostly 

 pedicellate ; petals none ; fruit subglobose, 8 to 10 mm. in diameter. 



5. Calyptranthes schiedeana Berg, Linnaea 27: 28. 1854. 



Mprcia aromatica Schleeht. Linnaea 13: 415. 1839. Not Calyptranthes 

 aromatica St. Hil. 1828. 



Calyptranthes schlechtendaliana Berg, Linnaea 27: 29. 1854. 



Veracruz, the type from Hacienda de la Laguna. Reported from Panama. 



Tree or shrub, glabrous throughout ; leaves petiolate, broadly elliptic to 

 lance-oblong, 4.5 to 7.5 cm. long, 2 to 4.5 cm. wide, acute or obtuse at base; 

 cymes shorter than the leaves, many-flowered ; fruit globose, 4 to 6 mm. in 

 diameter, 1 to 5-seeded. 



6. Calyptranthes pendula Berg, Linnaea 27: 21. 1854. 

 Sinaloa to Oaxaca ; type from mountains of Oaxaca. 



Shrub or small tree, 4 to 5 meters high or larger ; leaves slender-petiolate, 

 lanceolate to oblong-ovate, 5 to 11 cm. long, acuminate, in age glabrous or 

 nearly so ; cymes about as long as the leaves, the flowers glomerate, sessile ; 

 buds about 2 mm. long; petals 1 or 2. 



Closely i-elated to C. chytraculia (L.) Swartz, of the West Indies, and per- 

 haps not distinct. 



3. PSIDIUM L. Sp. PI. 470. 1753. 



Trees or shrubs; flowers usually large, the peduncles axillary, 1 to 3-flow- 

 ered; calyx tube campanulate or urceolate, the limb 4 or 5-lobate, the lobes 

 partly or wholly united before anthesis ; petals 4 or 5, spreading, white ; fruit 

 baccate, globose or pyriform, comriaonly 4 or 5-celled, usually large. 



Calyx limb at anthesis circumscissile, but remaining attached to the tube on 

 one side. 



Leaves 1.2 to 4 cm. long, ovate 1. P. sartorianum. 



Leaves 5.5 to 15 cm. long, oblong or elliptic-oblong__2. P. f riedrichsthalianum. 

 Calyx limb at or before anthesis splitting vertically into lobes. 



Calyx open in bud ; leaves small, 6.5 cm. long or less, sessile or subsessile. 



3. P. oerstedianum. 



