I 



1 



— Plate 36. — 



Figs. 1-9, Polypompholyx; Figs, io-ii, U. tiihulata. 



Fig. I. — Trap (side view) of P. mnUifida F. Muell. 



Fig. 2. ^ — Same, sagittal section: c, antechamber; </, door; /c, large inter- 

 cellular space in the stalk; r', ridge along ventral surface of the | 

 stalk; s, a zone of hairs seen in fig. i. ' 



Fig. 3. — Transverse section, embracing part indicated by the parallel 



broken hnes in fig. i, looking inwardly; s, space above door; d, ; 



door; c, back wall of antechamber; r, n, ridge along the stalk; ic, 

 intercellular space in the stalk. 



Fig. 4. — Trap, view from above. Arrows indicate directions of approach j 



of prey, as also in fig. i. | 



Fig. 5. — Entrance, showing the door in the relaxed posture. The broken * j 



lines indicate the set posture (c/. 24 — 8). I 



Fig. 6. — Trap of P. tenella, from below. ' 



Fig. 7. — Transverse section through body of trap of P. niuUifida, show- 

 ing the occurrence of deep compression cells. 



Fig. 8. — Transverse section of the threshold of the large traps of P. 

 latifolia. 



Fig. 9. — Same, of the small traps. i 



Fig. 10. — Growing point of Ulricularia tubulata. 



Fig. II. — A whorl of very young leaves and traps alternating at the same 

 level. Lateral view with growth apex above the numeral, axial view 

 below. ' 



