The Collaborative International Dictionary of English v.0.48:

Vesiculose \Ve*sic"u*lose`\, Vesiculous \Ve*sic"u*lous\, a. [L.
   vesiculosus: cf. F. v['e]siculeux.]
   Bladdery; vesicular; vesiculate; composed of vesicles;
   covered with vesicles; as, a vesiculose shell.
   [1913 Webster]