290 Annals of the Carnegie Museum. 



Plate XXIII. 



Tamonea androsamifolia (Grisebach) Jennings, comb. nov. Flowering branch. 

 X f. No. 321, 0. E. Jennings. Los Indios, May 17, 1910. 



Plate XXIV. 



Pachyanthus longifolius Jennings, sp. nov. Flowering branch. X f . Fig- 

 ured from the type specimen. 



Plate XXV. 



MesosphcBrum hollandianum Jennings, sp. nov. Whole plant. X yV- Flower 



fully expanded. X sf • Calyx, as it appears when the seeds are mature. X 3f . 



Seed. X 7^- Pollen grain, much magnified. All figures are from the type 

 specimen. 



Plate XXVI. 



Mesospharum capitellatum Jennings, sp. nov. Flowering branch with the apical 

 part broken over. X f^. Fully expanded flower. X 6^. Calyx at the time 

 when the seeds are mature. X 6^. All figures are from the type specimen. 



Plate XXVII. 

 Gerardia pinetorum Britton & Wilson. Flowering plant. X ij. Anther. 

 X 20. Pollen grain, much enlarged. All figures are from the type specimen. 



Plate XXVIII. 

 Justicia diversifoUa Jennings, sp. nov. Flowering plant. X f . Calyx and 

 subtending bracts at the time of maturity of the seeds. X 5. Corolla, as seen 

 irom above. X 5- Pollen grain, much enlarged. All figures are from the type 

 specimen. 



