744 CONTKIBUTIONS FROM THE NATIONAL HERBARIUM. 



5. Triumfetta coriacea Hochr. Ann. Cons. Jard. Gengve 18-19: 108. 1914. 

 Known only from the type locality, in the Sierra Madre of MichoacS-n or 



Guerrero, altitude 800 meters. 



Shrub, 1.5 meters high ; petiole with several large glands at the apex ; leaves 

 short-acuminate, rounded or cuneate at base, dentate, minutely tomentose be- 

 neath ; sepals about 22 mm. long, with very short appendages ; petals 2 cm. 

 long, yellow. 



6. Triumfetta colum.naris Hochr. Ann. Cons. Jard. Geneve 18-19: 101. 1914. 

 Triumfetta pseudocolumnaris Hochr. Ann. Cons. Jard. Gen&ve 18-19: 103. 



1914. 



Oaxaca and Chiapas, and perhaps elsewhere; type from Totontepec. 



Shrub ; leaves 4 to 9 cm. long, long-acuminate, rounded or subcordate at base, 

 serrate, villous-tomentose beneath ; sepals about 2 cm. long, thinly stellate- 

 pilose; petals linear, about as long as the sepals, densely pilose at base. 



7. Triumfetta chihuahuensis Standi., sp. nov. 



Chihuahua; type from Guayanopa Canyon in the Sierra Madre, altitude 

 1,500 meters (M. E. Jmes, September 23, 1903; U. S. Nat. Herb. no. 855849). 



Slender shrub ; leaves long-petiolate, lanceolate to rounded-ovate^ long- 

 acuminate, rounded or subcordate at base, serrate, finely stellate-pubescent, 

 green beneath, 5 or 7-nerved at base ; sepals 20 to 22 mm. long, sparsely stellate- 

 pubescent ; petals linear-oblanceolate, shorter than the sepals, acute, glabrous 

 except at base; fruit (including spines) 8 mm. in diameter, minutely puberu- 

 lent, covered with slender spines. 



8. Triumfetta cucullata Fernald, Bot. Gaz. 20: 532. 1895. 

 Known only from the type locality, Zopilote, Tepic. 



Petioles bearing several large glands; leaves mostly oblong-elliptic, 3-nerved, 

 acute, obtuse or cimeate at base, glandular-serrulate, very rough ; sepals 2.5 to 3 

 cm. long, stellate-tomentose ; petals spatulate, nearly equaling the sepals. 



9. Triumfetta polyandra DC. Prodr. 1: 508. 1825. 

 Triumfetta insignis S. Wats. Proc. Amer. Acad. 22: 400. 1887. 

 Sinaloa to Chiapas. 



Leaves 3 or 5-nerved, oblong to oval or sometimes rounded, 7 to 15 cm. long, 

 obtuse or acute, obtuse or subcordate at base, glandular-serrulate, tomentose 

 beneath ; sepals stellate-tomentose ; petals oblanceolate, obtuse, yellow, about 

 as long as the sepals ; fruit 2.5 to 4 cm. in diameter, covered with very numer- 

 ous slender plumose spines. " Pastora," " cadillo " " guachapure de la sierra 

 (Sinaloa). 



10. Triumfetta obovata Schlecht. & Cham. Linnaea 5: 228. 1830. 

 Veracruz ; type from Hacienda de la Laguna. 



Branches and leaves densely tomentose ; leaves obovate or rounded-obovate, 

 acute or obtuse, shallowly cordate at base, serrulate, 3 or 5-nerved; calyx 

 tomentose; fruit about 2 cm. in diameter, covered with long slender plumose 

 spines. 



It is doubtful whether this is distinct from T. polyandra. The writer has 

 seen only a single specimen, but it appears to have decidedly smaller flowers 

 than that species. 



11. Triumfetta apetala Hochr. Ann. Cons. Jard. Geneve 18-19: 97. 1914. 

 Known only from the type locality, mountains of Oaxaca, altitude 1,300 to 



1,600 meters. 



Shrub ; leaves ovate or ovate-lanceolate, 8 to 10 cm. long, long-petiolate, long- 

 acuminate, dentate, stellate-pilose ; sepals 4 mm. long ; fruit 4 mm. in diameter, 

 glabrous. 



