Fig. 445. Mexico. Basal region of the eastern declivity of Orizaba, behind S ,a Maria. 

 Pincenectitia sp. (Liliaceae\ From a photograph by Karsten. 



Fig. 446. Branch of plane-tree with epiphyte on Orizaba (Mexico). Montane region 

 (temperate rain-forest). From a photograph by Stahl. 



To face p. 748.] 



