10. Fig. 23. San Pedro Nolasco Island. A clump of Echinocereus grandis. 



Fig. 24. San Pedro Nolasco Island. A succulent vegetation of Agave, Opuntia, 

 and Pachycereus on very rocky terrain. 



11. Fig. 25. San Pedro Nolasco Island. Agave chrysoglossa and Lemaireocereus 



Thurberi in foreground. 



Fig. 26. San Pedro Nolasco Island. A dense colony of the succulent low shrub, 

 Pedilanthus macrocarpus. 



12. Fig. 27. Espiritu Santo Island. A dispersed shrub formation with scattered 



trees of Pachycereus Pringlei. 



Fig. 28. Espiritu Santo Island. Detail of branch and fruit of Opuntia cholla. 



13. Fig. 29. Tenacatita Bay, Jalisco. The subtropical forest is close upon the 



beach. 



Fig. 30. Chacahua Bay, Oaxaca. The scrubby vegetation on the hill in the 

 background shows evidence of having been cut over. 



14. Fig. 31. Lowland coastal vegetation of the tierra caliente in Costa Rica near 



Port Culebra. 



Fig. 32. Close lowland forest of Costa Rica with a dense tangle of trunks, 

 limbs, and clambering stems, crooked to semi-straight. 



15. Fig. 33. Forest of the tierra caliente in the Golfo de Dulce, Costa Rica. The 



varied tree forms indicate the richness of the flora. 



[10] 



