STANDLEY TREES AND SHRUBS OF MEXICO. 695 



5. Serjania insignis Ratllk. Monogr. Serjan, 331. 1875. 

 Reported from Mexico, without definite locality. Panama. 



Stems puberulent; leaflets elliptic, 9 em. long or less, shortly obtuse-acu- 

 minate, obscurely dentate, hirtellous on the nerves ; outer sepals pubescent, 

 the inner densely tomentulose ; petals 3 mm. long ; fruit 2 cm. long, 1.6 cm. 

 wide, the cells hirtellous or glabrate. 



6. Serjania impressa Radlk. Monogr. Serjan. 323. 1875. 



Known only from the type locality. Valley of Cordoba, Veracruz. 



Stems 6-sulcate ; leaflets elliptic, 7 cm. long or less, acute or obtuse, crenate- 

 dentate, pubescent beneath ; outer sepals tomentulose ; fruit 3 to 3.5 cm. long, 

 2.8 cm. wide, the cells pilose. 



7. Serjania trachygona Radlk. Monogr. Serjan. 327. 1875. 

 Campeche. Panama. 



Stems acutely 6-angulate; leaflets ovate, oblong, or rhombic, 0.5 to 3.5 cm. 

 long, obtuse or acuminate, incised-dentate or lobate, setulose-pilose on the 

 nerves ; outer sepals hirtellous, the inner tomentulose ; petals 3.5 to 4 mm. long. 



8. Serjania brachystachya Radlk. Monogr. Serjan. 310. 1875. 

 Colima to Oaxaca ; type from San Agustfn, Oaxaca. 



Stems 6-striate ; leaflets rhombic-ovate to rhombic-eUiptic, 2 to 5 cm. long, 

 obtuse to short-acuminate, coarsely crenate-dentate, glabrous or nearly so ; 

 outer sepals glabrate, the inner tomentulose ; petals 3.5 mm. long ; fruit about 



2 cm. long and nearly as broad, the cells puberulent. 



9. Serjania schiedeana Schlecht. Linnaea 18: 44. 1844. 



Jalisco and Morelos and probably elsewhere; type locality not known. 



Stems obtusely trigonous ; leaflets 5, broadly rhombic to elliptic-oblong, 3 to 

 5.5 cm. long, obtuse or short-acuminate, coarsely crenate, densely pubescent on 

 both surfaces; sepals tomentose; petals 4 mm. long; fruit about 2.5 cm. long 

 and 2 cm. wide, densely pubescent. 



10. Serjania triquetra Radlk. Monogr. Serjan. 305. 1875. 

 Morelos, Veracruz, Oaxaca, and Chiapas. Central America. 



Stems trigonous or terete, 6-sulcate ; leaflets ovate, elliptic, or rhombic, 3 to 8 

 cm. long, obtuse to acuminate, coarsely incised-dentate, sometimes lobate, 

 densely pubescent, especially beneath ; petals 4 mm. long ; fruit about 2 cm. 

 long and 1.5 cm. broad. " Carretilla " (Oaxaca, Guatemala, Seler). 



11. Serjania oaxacana Standi., sp. nov. 



Type from San Geronimo, Oaxaca (Purpus 6689; U. S. Nat. Herb. no. 567063). 



Branches obtusely trigonous, tomentulose ; leaves biternate, the leaflets 

 rhombic or rhombic-ovate, 1.5 to 4.5 cm. long, acute or acuminate, coarsely 

 incised-crenate and often lobate, glabrate above, densely puberulent beneath ; 

 outer sepals glabrate, the inner tomentulose; petals 2.5 mm. long; fruit 9 to 12 

 mm. long, 14 mm. broad, appressed-pilosulous, densely so on the cells. 



12. Serjania goniocarpa Radlk. Monogr. Serjan. 309. 1875. 

 Veracruz ; type from Mirador. 



Stems puberulent, trigonous ; leaflets ovate, 10 cm. long or smaller, subobtuse, 

 coarsely serrate-dentate, puberulent or glabrate; sepals tomentulose; petals 



3 mm. long; fruit 2.5 to 3 cm. long and nearly as broad, puberulent, the cells 

 tomentose. 



13. Serjania cardiospermoides Schlecht. & Cham. Linnaea 6: 418. 1831. 

 Veracruz and Hidalgo; type collected near Papantla, Veracruz. Central 



America. 



