BRITTON AND ROSE, VOL. II 



PLATE XXXIX 



M E. Eaton del 



1. Flowering branch of Weberocereus tunilla. 



2. Flowering branch of Weberocereus biolleyi. 



3. Flowering branch of Werckleocereus tonduzii. 



4. A flower of Werckleocereus glaber. 



(All natural size.) 



