STANDLEY TREES AND SHRUBS OF MEXICO. 1175 



7. Metastelma schlechtendahlii Decaisne in DC. Prodr. 8: 513. 1844. 

 Metastelma parviflorum Schlecht. Linnaea 6: 731. 1831. Not M. parviflorum 



11. Br. 1809. 



Veracruz, Oaxaca, and Yucatan ; type from Hacienda de la Laguna, Vera- 

 cruz. 



Stems slender, suflfrutescent below, hirtellous or glabrate; leaves mostly ob- 

 long-ovate or oval, 1 to 3 cm. long, obtuse and mucronate, rounded or sub- 

 cordate at base, glabrate; flowers about 3 mm. long; calyx lobes obtuse; co- 

 rona scales linear-subulate, exceeding the gynostegium. 



8. Metastelma pedunculare Decaisne in DC. Prodr. 8: 514. 1844. 



Oaxaca. Guatemala and El Salvador ; type from Cuesta de Pinula, Guate- 

 mala. 



Stems bifariously puberulent ; leaves slender-petiolate, ovate-lanceolate to 

 oval, 1.5 to 3 cm. long, acute or mucronate, rounded or subcordate at base, 

 nearly glabrous ; flowers 2 to 3 mm. long, sweet-scented ; corona scales ligulate. 

 " Cuchaniperrito," " cuchamper de zope," " ojo de pescado " (El Salvador). 



9. Metastelma watsonianum. Standi. 



Metastelma alhiflorum S. Wats. Proc. Amer. Acad. 24: 60. 1889. Not M. 

 albiflorum Griseb. 1861. 



Type from Guaynias, Sonora. 



Stems puberulent or glabrate ; leaves oblong or oblong-linear, 1 to 2 cm. 

 long, acute or obtuse and mucronate ; flowers white, about 4 mm. long : corona 

 scales exceeding the anthers. 



10. Metastelma barbigerum Scheele, Linnaea 21: 760. 1848. 

 Coahuila, Nuevo Leon, and Tamaulipas. Western Texas. 



Stems puberulent or glabrate ; leaves petiolate, lance-oblong to oval, 1 to 3 

 cm. long, acute at apex or rounded and apiculate, broadly rounded at base ; 

 umbels sessile or short-pedunculate; flowers 4 to 5 mm. long, white, sweet- 

 scented; corona scales subulate. " Talayote " (Tamaulipas). 



11. Metastelma lanceolatum Schlechter, Bull. Herb. Boiss. IT. 6: 840. 1906. 

 Guerrero to San Luis Potosi and Chiapas ; type from Zoquitliln. Distrito 



de Tlacolula, Oaxaca. 



Stems puberulent or glabrate, woody below ; leaves lanceolate to oblong 

 or lance-linear, 1 to 3.5 cm. long, acute or obtuse, puberulent or glabrate; 

 cymes few-flowered, sessile or nearly so; corolla 2 mm. long; follicles (5 cm. 

 long. 



12. Metastelma latifolium Rose, Contr. U. S. Nat. Herb. 1 : 106. 1891. 

 Type from Alamos, Sonora. 



Woody vine, the stems glabrous or nearly so ; leaves oblong or lance-oblong. 

 1 to 2.5 cm. long, acute to rounded at apex, mucronate, obtuse or rounded 

 at base, puberulent above; umbels sessile or short-pedunculate. 



13. Metastelma pringlei A. Gray, Proc. Amer. Acad. 21: 396. 1886. 

 Chihuahua, Coahuila, and Durango ; Baja California (?); type from 



Chihuahua. 



Stems slender, fruticose below, glabrous or nearly so ; leaves linear or 

 lance-linear, 1 to 3 cm. long, acute or obtuse, obtuse at base ; umbels sessile 

 or nearly so ; calyx lobes obtuse ; follicles 5 cm. long. 



14. Metastelma chiapense A. Gray, Proc. Amer. Acad. 21: 397. 1886. 

 IMetastelma seJeriamim Schlechter, Bull. Herb. Boiss. II. 6: 841. 1906. 

 Oaxaca and Chiapas ; type from Chiapas. 



