STANDLEY TREES AND SHRUBS OF MEXICO. 433 



1. TOUNATEA Aubl, PI. Guian. 1: 549. 1775. 



Unarmed trees ; leaves unifoliolate or 3 or 5-foliolate ; flowers large, ra- 

 cemose ; fruit coriaceous or fleshy, dehiscent or indehiscent. 



Leaves unifoliolate 1. T. simplex. 



Leaves 3 or 5-foliolate 2. T. myrtifolia. 



1. Tounatea simplex (Swartz) Taub. Bot. Centralbl. 47: 391. 1891. 

 Possira simplex Swartz, Prodr. Veg. Ind. Occ. 82. 1788. 



Rittera grandiflora Vahl, Eclog. Amer. 2: 37. pi. 9. 1798. 



Sicartzia grandiflora Willd. Sp. PI. 2: 1220. 1800. 



Suart~ia simplex Spreng. Syst. Veg. 2: 567. 1825. 



Tepic to Oaxaca. Central America, West Indies, and northern South 

 America. 



Glabrous tree, 3.5 to 5 meters high, resembling an orange tree ; leaves oval 

 or elliptic, 6 to 20 cm. long, acuminate; thick, lustrous; flowers large (the 

 petal 3.5 cm. long), yellow; fruit 2.5 to 4.5 cm. long, rounded, long-stalked, with 

 thick valves, containing one or two seeds. " Naranjillo " (Michoacan, Guer- 

 rero) ; " naranjito " (Oaxaca). 



2. Tounatea myrtifolia (J. E. Smith) Taub. Bot. Centralbl. 47: 392. 1891. 

 Stcartsia myrtifolia J. E. Smith in Rees, Cycl. 341. 1820. 



Reported by Hemsley from Tabasco. Guatemala to Panama and northern 

 South America; type from Venezuela. 



2. ATELEIA Moc. & Sesse ; DC. Mem. Lggum. 394. pi. 57. 1825. 



Reference : Standley, The Mexican si^ecies of Ateleia, Contr. U. S. Nat. Herb. 

 20: 173-175. 1919. 



Unarmed shrubs or trees ; leaves pinnate, the leaflets large ; flowers of medium 

 size, white, racemose ; fruit fiat, stipitate, short and broad, indehiscent, more or 

 less winged along the upper suture. 



Wing of the fruit obsolete or nearly so ; leaflets 1 to 1.6 cm. wide 1. A. arsenii. 



Wing of the fruit well developed ; leaflets 2.5 to 5.5 cm. wide. 



Seeds S mm. long 2. A. insularis. 



Seeds 5 mm. long 3. A. pterocarpa. 



1. Ateleia arsenii Standi. Contr. U. S. Nat. Herb. 20: 174. 1919. 



Known only from the type locality, Pico de Quinceo, near Morelia, Michoacan, 

 altitude 2,800 meters. 



Shrub ; leaflets about 17, oblong, 2 to 5 cm. long, obtuse, puberulent beneath ; 

 petals about 1.3 era. long ; fruit 2.7 cm. long, 1.6 cm. wide. 



2. Ateleia insularis Standi. Contr. U. S. Nat. Herb. 20: 175. 1919. 

 Known only from the type locality, Maria Madre Island, Tepic, 



Leaflets ovate or oblong-ovate, 4.5 to 7 cm. long, obtuse, glabrate in age ; fruit 

 3 cm. long and 2 cm. wide. 



3. Ateleia pterocarpa DC. Prodr. 2: 419. 1825. 



Pterocarpus ateleia Moc. & Sesse; DC. Prodr. 2: 419, 1825, as synonym. 

 Tepic ; type from some unknown locality in Mexico. 



Tree, about 6 meters high ; leaflets oval or suborbicular, 3.5 to 8 cm. long, 

 puberulent beneath, the venation finely reticulate ; fruit 2 cm. long, 1.3 cm. wide. 



3. TOLUIEEIIA L. Sp. PI. 384. 1753. 

 1. Toluifera pereirae (Klotzsch) Baill. Hist. PI. 2: 383. 1870. 



Myroxylon pereirae Klotzsch, Bonplandia 1857: 274. 1857. 



Veracruz and Oaxaca to Yucatan and Chiapas ; reported from MichoacSn. 

 Central America and northern South America. 



