STANDLEY TREES AND SHRUBS OF MEXICO. 817 



12. Saurauia pauciflora Rose, Contr. U. S. Nat. Herb. 8: 52. 1903. 

 Sauraiiia pauciflora ghicsehrechti Buscalioni, Malpighia 26: 291. 1913. 

 Chiapas ; type from San Crist6bal, altitude 2.100 to 2,640 meters. 



Shrub, the young branches densely setose with subappressed hairs; leaves 

 short-petiolate, oblong-oblanceolate, 7 to 10 em. long, acuminate, acute or obtuse 

 at base, very rough ; panicles 10 to 15 cm. long, few-flowered ; flowers 22 mm, 

 broad ; sepals densely setose ; stamens about 20. 



13. Saurauia pringlei Ro.se, Contr. U. S. Nat. Herb. 8: 52. pi. 12. 1908. 

 Saurauia pringlei micrantha Buscalioni, Malpighia 26: 137. 191.3. 

 Guerrero and Oaxaca ; type from Sierra de San Felipe, Oasaca, altitude 2,550 



meters. Guatemala. 



Shrub or small tree, 2 to 3 meters high or larger, the branchlets appressed- 

 setose: leaves oblong-oblanceolate, 10 to 25 cm. long, acute or short-acuminate, 

 acute or obtuse at base, serrulate ; panicles 9 to 13 cm. long, many-flowered ; 

 flowers 15 mm. broad ; sepals pulverulent ; stamens 20 to 25. 



14. Saurauia willdemanni Buscalioni, Malpighia 26: 143. 1913. 

 Oaxaca ; type from Juquila. 



Branchlets setose ; leaves obovate or lance-oval, 7 to 14 cm. long, acute or 

 acuminate, acute at base, rough, serrulate ; panicles half as long as the leaves, 

 few-flowered ; stamens 20. 



15. Saurauia buscalioniana Blake, Contr. Gray Herb. n. ser. 52: 74. 1917. 

 Type from the Sierra Madre of Michoacan or Guerrero, altitude 1,800 meters ; 



perhaps also in Chiapas. 



Tree, 5 to 6 meters high, the branchlets densely setose-pilose ; leaves oblanceo- 

 late-oblong, 18 to 22 cm. long, acute or short-acuminate, cuneate at base ; 

 panicles 9 to 12 cm. long, many-flowere<l ; flowers about 12 mm. broad ; stamens 

 about 30. 



16. Saurauia aspera Turcz. Bull. Soc. Nat. Moscou 31': 242. 1858. 

 Known only from Oaxaca, the type locality. 



Branchlets appressed-setulose ; leaves broadly oblong-obovate, 10 to 20 cm. 

 long, acute or short-acuminate, obtuse at base, serrulate, very scabrous ; panicles 

 nearly as long as the leaves, many-flowered; sepals densely setose-paleaceous; 

 flowers white. 



DOUBTFUL SPECIES. 



Saurauia anisopoda Turcz. Bull. Soc. Nat. Moscou 31': 242. 1852. Type 

 from Oaxaca. 



2. DA VILLA A^aiid. ; Roem. Script. PI. 115. 1796. 



1. Davllla kunthii St. Hil. PI. Usuel. Bras. 6. 1824-28. 



Davilla ivcida Presl, Rel. Haenk. 2: 73. 1836. 



Davilla ovata Presl, Rel. Haenk. 2: 73. 1836. 



Veracruz, Tabasco, and Oaxaca. Central and South America. 



Scandent shrub ; leaves petiolate, oblong-elliptic to nearly orbicular, 6 to 18 

 cm. long, r(mnded at base and apex, or sometimes acute at apex, coriaceous, 

 serrulate or nearly entire, scabrous above and often lustrous, densely short- 

 pilose beneath ; panicles large, chiefly terminal, the flowers yellow ; sepals 5, the 

 outer ones small, the 2 inner ones accrescent, inclosing the fruit, 7 to 10 mm. 

 long, pilose ; petals about as long as the inner sepals ; carpel 1, bivalvate, the 

 seed surrounded by a thin aril. " Bejuco de tachic6n " (Tabasco) ; " chumico 

 de bejuco" (Costa Rica, Panama); "bejuco chaparron " (Guatemala, Hon- 

 duras); "bejuco tomS " (Colombia); " chumisquillo " (Panama). 

 7808—23 20 



