a new PitcJier-jilant from British Guiana. 433 



laceinosus, glaber. PediceUi alterni, glabri, solitarii ad axillam biactecf 

 ovatae coniplicatœ acuminatœ paralleli-venosœ glabrœ. Propc basin scapi 

 folium nouniinquàm adest forma inter illas folioruni radicalium et brac- 

 tearum ferè media, nenipè basi bracteis simile supra medium margini- 

 bus connatis subamphorae-forme. Flores nutantes, albi, v. pallidè rosei. 

 Perigonii foliola expansa, ovato-lanceolata, acuminata, glabra, 15-16 lin. 

 longa. Stamina glabra, filamentis basi crassioribus. Ovarium ovoideuni, 

 pubescens. Stijlus glaber. 



EXPLANATION OF TAB. XXIX. 



Helfamphora nutans. 



Fig. I. The flower, with the perigon removed, showing the stamens. 



2. A single stamen, front view. 



3. The same, back view. 



4. Style and ovary. 



5. Transverse section of the ovary. 



6. Diagram of the arrangement of the floral parts. 



7. Seed. 



8. The same, with the testa removed. 



9. Longitudinal section of the same. 



10. Portion of a young petiole, showing the inner surface of the natural 

 size. a. Hairs of the orifice, highly magnified, h. Hairsof the bot- 

 tom of the pitcher, magnified to the same degree. 



Nos. I . to 9. are all more or less magnified. 



3 l2 



