698 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



28. Serjania flaviflora Radlk. Bull. Herb. Boiss. II. 3: 211. 1903. 

 Known only from the type locality, Monte Alban, Oaxaea. 



Stems glabrous or nearly so ; leaflets ovate-lanceolate, 5 cm. long or less, 

 acute or acuminate ; outer sepals puberulent, the inner tomentulose ; petals 4 

 mm, long. 



29. Serjania subtriplinervis Radlk. Monogr. Serjan. 273. 1875. 

 Michoacan to Oaxaea ; type from Tanetze, Oaxaea. 



Stems tomentulose; leaflets ovate to lance-oblong, 2 to 6.5 cm. long, densely 

 pubescent beneath ; sepals tomentose ; fruit densely pilose when young. 



30. Serjania fuscopunctata Radlk. Contr. U. S. Nat. Herb. 1: 315. 1S95. 

 Known only from the type locality, Manzanillo, Colima. 



Stems pilosulous or glabrate ; leaflets ovate or elliptic-ovate, 3 to 4.5 cm. 

 long ; pul)escent ; sepals canescent-tomentulose ; sepals 4 mm. long ; fruit 2.7 

 cm. long, 2 cm. wide. 



31. Serjania sordida Radlk. Monogr. Serjan. 272. 1875. 

 Veracruz. Costa Rica. 



Stems pilosulous or tomentulose ; leaflets elliptic or elliptic-ovate, 4 to 10 

 cm. long, rounded or obtuse at apex, often abruptly short-acuminate, glabrate 

 above, pilosulous beneath ; sepals tomentulose ; petals 2.5 mm. long ; fruit about 

 2.5 cm. long and 2 cm. wide. 



32. Serjania macrococca Radlk. Monogr. Serjan. 270. 1875. 

 Oaxaea. 



Stems l\irtellous, 5 or 6-sulcate ; leaflets ovate or rhombic, 1 to 3 cm. long, 

 acute or obtuse, serrate-dentate, hispid-tomentose beneath ; outer sepals 

 pilosulous, the inner tomentulose ; petals 4 mm. long ; fruit about 2 cm. long 

 and broad, sparsely pilose. 



33. Serjania racemosa Schumacher, Skrivt. Naturh.-Selsk. (Kj0benhavn) 3^: 

 127. pi. 12, f. 3. 1794. 



Nuevo Leon to Michoacan, Oaxaea, and Veracruz ; type from Veracruz. Cen- 

 tral America. 



Stems glabrous or pubescent, 5 or 6-sulcate; leaflets ovate to elliptic, 2 to 7 

 cm. long, acute or acuminate, coarsely serrate, pubescent or nearly glabrous 

 beneath ; sepals glabrous or tomentulose ; petals 2.5 to 3 mm. long ; fruit 1.5 t© 

 2.3 cm. long, 1 to 2 cm. wide, glabrous or nearly so. " Nueve hojas," " contra 

 ranilla de bestias," " cuaumecate " (Veracruz, Urbina) ; " tlatlanquaya " 

 (Puebla, Seler). 



34. Serjania polystachya (Turcz.) Radlk. Monogr. Serjan. 276. 1875. 

 PaulUnia polystachya Turcz. Bull. Soc. Nat. Moscou 32': 268. 1859. 

 Oaxaea ; type from Talea. Guatemala. 



Stems tomentulose or glabrate; leaflets ovate, elliptic, or rhombic, 4 to 8 

 cm. long, obtuse to acuminate, thinly tomentose beneath ; sepals tomentulose ; 

 petals 3.5 mm. long; fruit 2 to 2.8 cm. long, 2 cm. wide, the cells densely 

 puberulent. 



35. Serjania californica Radlk. Sitzungsb. Akad. Wiss. Miinchen 8: 222. 1878. 

 Known only from the type locality. Cape San Lucas, Baja California. 

 Stems glabrous, 6-sulcate; leaflets rhombic or ovate-rhombic, about 1 cm. 



long, obtuse, lobate-dentate ; sepals glabrate. 



The fruit is not known, and the generic position of the plant is doubtful. 



