STANDLEY TEEES AND SHRUBS OF MEXICO 1377 



Shrub, about 1 meter high, the branches armed at the apex with two stout 

 spines; leaves mostly clustered on short lateral spurs, short-petioled, the blades 

 mostly ovate, ovate-oblong, or narrowly elliptic-oblong, rarely rounded-obovate, 

 2.5 to 5.5 cm. long, acute to long-attenuate at base, usually acute at apex, puberu- 

 lent or scaberulous above, densely short-pilose beneath; flowers perfect, terminal, 

 sessile; calyx densely short-pilose, the hypanthium 2 mm. long, the calyx lobes 

 linear or oblong, 1 to 1.5 mm. long; corolla salverform, sparsely hirtellous outside, 

 the tube 3 to 4 mm. long, the 5 lobes rounded, 2 to 3 mm. long, the throat naked; 

 fruit globose, 12 mm. in diameter or larger, densely velvety-pilose, the pericarp 

 very thick and hard; seeds numerous. 



17. Randia induta Standi., sp. nov. 



Type from Cayacol, Guerrero (Nelson 7018; U. S. Nat. Herb. no. 399362). 



Branchlets armed at apex with two stout spines 7 to 13 mm. long; leaves 

 slender-petiolate, the blades oblong-obovate or rhombic-obovate, 5 to 9 cm. 

 long, 2.5 to 4.5 cm. wide, acute or acuminate at base, rounded or very obtuse at 

 apex, glabrous above, beneath copiously puberulent; fruits terminal on short 

 lateral spurs, solitary, sessile, globose, 7 to 10 mm. in diameter, smooth, glabrate, 

 the pericarp very thin; seeds usually 4, about 5 mm. long. 



18. Randia xakipensis Mart. & Gal. Bull. Acad. Brux. ll': 239. 1844. 

 1 Randia tomatillo Loesener, Repert. Sp. Nov. Fedde 18: 360. 1922. 

 Tamaulipas, Veracruz, and Yucatdn; type from Jalapa, Veracruz. 



Shrub or small tree; leaves sessile or subsessile, obovate to elliptic-oblong, 1.5 

 to 4 cm. long, acute to rounded at apex, coriaceous; flowers perfect, white; 

 corolla glabrous; fruit 2 to 2.5 cm. long, white, the pulp black. "Nanche" 

 (Tamaulipas); "tomatillo" (Veracruz). 



19. Randia chiapensis Standi., sp. nov. 



Type from Canjob, Chiapas (Goldman 797; U. S. Nat. Herb. no. 470602). 



Branchlets bearing at apex two slender or stout spines 7 to 12 mm. long; leaves 

 mostly clustered on very short lateral spurs, the petioles 2 mm. long or less, the 

 blades obovate to rhombic-orbicular, 1 to 3 cm. long, 6 to 15 mm. wide, at base 

 attenuate or rounded and short-decurrent, rounded or very obtuse at apex, gla- 

 brous; flowers perfect, terminal, solitary, sessile, 5-parted; calyx and hypanthium 

 glabrous, the calyx lobes linear to ovate-oblong, obtuse, shorter than the hypan- 

 thium; corolla 6 to 7 mm. long, glabrous outside, the tube nearly as thick as long, 

 the throat naked, the lobes suborbicular, shortly cuspidate-acuminate, about 

 equaling the tube. 



20. Randia laetevirens Standi., sp. nov. 



^Randia latijolia micrantha Schlecht. Linnaea 6: 723. 1831. 



Sinaloa and Tepic; Tamaulipas, Nuevo Le6n, and Veracruz; type from Cerro 

 de la Silla near Monterrey, Nuevo Leon (Nelson 6683; U. S. Nat. Herb. no. 

 347312). 



Shrub 1 to. 3 meters high, the branchlets bearing at the apex tvv^o stout ascend- 

 ing spines; leaves crowded on very short lateral spurs, petiolate or subsessile, the 

 blades mostly obovate-oblong, 1 to 6 cm. long, 0.5 to 2 cm. wide, acute to attenuate 

 at base, acute to rounded at apex, glabrous; flowers perfect, terminal, sessile, 

 usually clustered, 5-parted; calyx and hypanthium glabrous or obscurely scaber- 

 ulous, the calyx lobes triangular-subulate, half as long as the tube or almost obso- 

 lete; corolla glabrous outside, the tube 4 to 6.5 mm. long, the throat naked, the 

 lobes rounded-ovate, 2.5 to 4.5 mm. long, abruptly short-acuminate; fruit globose, 

 8 to 14 mm. in diameter, smooth or slightly rugose, glabrous, the pericarp thick 

 and hard; seeds 5 to 7, 6 to 7 mm. long. "Capulin corona" (San Luis Potosi); 

 "crucero bianco," "crucero" (Tamaulipas). 



A decoction of the wood is used in San Luis Potosi for aff'ections of the chest. 



