ILLUSTRATIONS. 



PLATES. 



Facing page. 



Plate 22. Costilla ulei Warburg 263 



23. Castillo, tunu Hemsl 264 



24. Castillo, australis Hemsl 267 



25. Castillo daguensis Pittier 268 



26. Costilla lartiftua Cook 269 



27. Costilla laetiflua Cook 269 



28. Costilla laetiflua Cook 269 



29. Costilla costaricana Liebm 270 



30. Costilla costaricana Liebm 270 



31 . Castilla costaricana Liebm 270 



32. Castilla costaricana Liebm - 270 



33. Castilla costaricana Liebm 270 



34. Castilla costaricana Liebm 270 



35. Castillo guatemalensis Pittier - 274 



36. Castilla guatemalensis Pittier 274 



37. Castilla guatemalensis Pittier 274 



38. Castilla guatemalensis Pittier 274 



39. Castilla guatemalensis Pittier - 274 



40. Castilla nicoyensis Cook 276 



41. Castilla nicoyensis Cook 276 



42. Castilla nicoyensis Cook 276 



43. Castilla elastica Cervantes 277 



TEXT FIGURES. 



Page. 



Figure 45. Male inflorescence of Castilla fallax 263 



46. Floral details of Castilla fallax 264 



47. Floral details of Castilla daguensis 268 



48. Floral details of Castilla laetiflua 269 



49. Floral details of Castilla costaricana 270 



50. Female flower of Castilla guatemalensis 272 



51. Floral details of Castilla guatemalensis 273 



52. Floral details of Castilla panamensis 274 



53. Floral details of Castilla nicoyensis 276 



54. Floral details of Castilla elastica 277 



VII 



