— Plate 2. -— 



Fig. I. — Heliamphora nutans. Front view, spoon enlarged and longitu- 

 dinal view of pitcher cut near the sagittal plane, in which the sections 

 i""2, 3-4 and 5-6 are indicated by corresponding numbers. 



Fig. 2. — Juvenile leaf (after Krafft 1896). 



Fig. 3. — Assimilating leaf (after Krafft 1896). 



Fig. 4. — Abnormal juvenile leaf (after Goebel 1891). 



Fig. 5. — Hair from zone 2, fig. i, above. Below, detentive hair from zone 

 A- 



Fig. 6. — V-shaped twin hairs, from outer surface of pitcher. 



Fig. 7. — Nectar gland from spoon, in longitudinal section. 



Fig. 8. — Nectar gland from outer surface of pitcher. 



Fig. 9. — Surface view of same. 



Fig. 10. — Nectar gland from inner surface of pitcher. 



Fig. II. — Transverse section of spoon indicating size and distribution of 

 nectar glands. 



Fig. 12. — Sarracenia purpurea. Upper two-thirds of pitcher, seen whole; 

 view of interior of an entire pitcher: the zones are indicated by num- 

 bers; front view of bell; petiole in longitudinal section of a pitcher in 

 which this was abnormally long. 



Fig. 13. — Juvenile leaf, shown in the same way as the pitcher in fig. 12. 



Fig. 14. — Surface and longitudinal views of the tesselated cells of zone 2. 



Fig. 15. — Surface view of a nectar gland from outer surface of pitcher. 



Fig. 16. — Longitudinal section of same. 



