51 



below the leaves, or from the larger branches ; 

 never axillary. 



Leaves 8 to 15 in, long with 12 to 16 

 pairs of prominent oblique or spread- 

 ing nerves .. ... ... 13. P. lateriflora. 



Leaves 6 to 8 in. long with 10 to 12 



pairs of slender, spreading nerves... 14. P. sclerophylla. 

 Flowers in fascicles from tubercles on the main 

 stem, often near its base ; never axillary, and 

 probably never from the branches. 

 Inflorescence aerial. 



Leaves under 8 in. in length. 



Leaves oblong-lanceolate ; 

 nerves 8 or 9 pairs ; torus 

 of ripe fruit 125 in. in 

 diam. : stalks of ripe carpels 

 •75 in. long ... ... 15. P. macropoda. 



Leaves oblong ; nerves 7 



pairs ; torus of ripe fruit "5 



in. in diam. ; stalks of ripe 



carpels I'S in. long ... 16. P. clavigera. 



Leaves elliptic to oblong, 



slightly oblique ... 17. P. glomeraia. 



Leaves 9 to 16 in. long ; cblong- 



elUptic ... ... 18. P. congregata. 



Inflorescence sub-hypogseal ... 19. P. hypogiea. 



Sec. II. EuPOLYALTHiA. Ovules 2 (3 in P. Korinti), superposed. 

 Flowers solitary. 



Leaves under 5 in. long, not cordate at the 

 base. 



Leaves oblong-lanceolate. 



Petals oblong ... ... 20. P. ohliqua. 



Petals broadly ovate or ovate- 

 orbicular, leaves glaucous ... 21. P. aherrans. 

 Leaves upwards of 5 in. long, cordate at 

 the base. 



Petals narrowly linear ... ... 22. P. bulla ta. 



Petals oblong. 



Flowers 1 in. diam.... ... 23. P. subconlata. 



Flowers 1*25 to 1*75 in. in diam. 24. P, ohlonga. 

 Flowers in fascicles from the older branches. 



Petals liueai'-oblong, 1 to 1"6 in. long : ripe 

 300 



