1354 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM 



Corolla glabrous. 



Stipules reniform, foliaceous, persistent; corolla tube 11 to 12 mm. 



long 17. R. galeottii. 



Stipules small, not foliaceous, deciduous; corolla tube 12 to 16 mm. 



long 18. R. jurgenseni. 



Corolla arachnoid-tomentose outside. 



Inflorescence of numerous once bifid cymes arranged in a raceme, the 



flowers sessile, secund; stipules bidentate at apex 19. R. rekoi. 



Inflorescence capitate or cymose-paniculate, the flowers often pedicel- 

 late, not secund; stipules entire. 



Inflorescence capitate 20. R. leptodictya. 



Inflorescence cymose-paniculate. 



Calyx lobes linear or oblanceolate, 3 to 6 mm. long. 



21. R. leucophylla. 

 Calyx lobes orbicular-oblong, 0.5 to 1.5 mm. long_.22. R. nitida. 



1. Rondeletia scabra Hemsl. Diag. PI. Mex. 29. 1879. 

 Tj^pe from Sierra San Pedro Nolasco, Oaxaca. 



Leaves ovate-oblong, 7.5 to 10 cm. long, acute, attenuate at base, hispid- 

 pilose beneath; cymes usually 3-flowered; corolla strigillose-pilose, the tube 

 12 mm. long. 



2. Rondeletia suffrutescens T. S. Brandeg. Univ. Calif. Publ. Bot. 6: 70. 



1914. 



Type from Cerro del Boquer6n, Chiapas. 



Shrub; leaves short-petiolate, ovate to lance-oblong, 4.5 to 10 cm. long, long- 

 acuminate or attenuate, rounded or abruptly short-acuminate at base; cymes 

 mostly 3-flowered; corolla tube 17 mm. long. 



3. Rondeletia ligustroides Hemsl. Diag. PI. Mex. 26. 1879. 

 Veracruz; type from Orizaba. 



Shrub, 2 to 2.5 meters high, the branches glabrous; leaves short-petiolate, 

 broadly ovate to ovate-lanceolate, 4 to 8 cm. long, abruptly acuminate or at- 

 tenuate, rounded to acute at base; inflorescence cymose-corymbose, few or 

 manj^-flowered; corolla j^ellowish red, the tube 5 to 6 mm. long. 



4. Rondeletia stenosiphon Hemsl. Diag. PI. Mex. 26. 1879. 

 Type from Yucatdn or Tabasco. Guatemala. 



Shrub; leaves short-petiolate, obovate to oval-oblong or elliptic-oval, 7 to 

 14 cm. long, abruptly short-acuminate, obtuse to acuminate at base, glabrous 

 above, strigillose or glabrate beneath; inflorescence cymose-corymbose, many- 

 flowered; corolla sericeous-strigillose, the tube 8 to 11 mm. long. 



5. Rondeletia gratissima (Linden) Hemsl. Diag. PI. Mex. 25. 1879. 

 Rogiera gratissima Linden; Planch. Fl. Serr. Jard. 15: 133. 1864. 

 Rogiera elegantissima Regel, Gartenflora pL ^90. 1865. 



Chiapas. 



Shrub; leaves oblong-elliptic, 5 to 6 cm. long, short-acuminate, rounded at 

 base, glabrous; inflorescence cymose-corymbose, dense; corolla rosy white, 

 sparsely puberulent, the tube 12 mm. long. 



6. Rondeletia intermedia Hemsl. Diag. PI. Mex. 26. 1879. 

 Oaxaca and Chiapas; type from Chiapas. 



Shrub; leaves ovate or ovate-oval, 6 to 12 cm. long, acutish or obtuse, rounded 

 or subcordate at base; inflorescence cymose-corymbose, the cymes few-flowered; 

 corolla pinkish white, strigillose, the tube 8 to 10 mm. long. 



