CEPHALOCEREUS. 



51 



Wendland (Salm 



fl 



1844. 29. 1845) was given 



floccosus Mon 



(Walp 



belongs here. 



synonyms. 



: fouachianus Quehl (M 



1853) 



1 9 10), name only, 



Enum 



1837) was printed as a synonym. 



Monatsschr. Kakteenk. 12:56, as Piloccrcus roycnii; ] 



Gard. 7: f. 4, this last as Piloccreus sp. 



Figure 74 is from a photograph taken by Frank E. Lutz on Dcsechco Island, in 15 

 figure 69 represents a flower of the plant from Culebra Island, collected by Dr. Britton. 





Fig. 75. — Cephalocereus robustus 



Fig. 76. — Cephalocereus cometes 



