

— Plate J2. — 



Fig. I. — Utricular ia orhiculata. Entrance. 



Fig. 2. — Front view of the door, U. striatida. 



Fig. 3. — U. striatida. Entrance. 



Fig. 4. — Transverse section through the entrance, showing the front 



view of the tripping hairs with their mucilaginous masses. 

 Fig. 5. — U. midticaulis, trap. 

 Fig. 6. — Development of the peculiar tripping glands of U. orhicidata, 



numbered in series, 1-8. In 8 the mucilage mass has fallen away. 

 Fig. 7. — Utricidaria sp. (Thibet, Ludlow, Sherreff and Taylor, No. 



5264, Brit. Mus.) to display the form of the forked rostrum. 

 Fig. S. — Utricidaria sp. (Thibet, L., S. and T. 5802), door and single 



rostrum with long radiating fingers. i 



Fig. 9. — Rostrum of U. midticaulis (Fig. 5) from below. | 



1 



