A REVISION OF PHILIPPINE PIPERACEAE. 415 ’ 
7. Peduncle shorter than the petiole; limb ovate, rounded at the base, 
BS cart, Lome, 4 i WAG icici ce vteieniosienorinnsnsoamensones 9. P. mindorense 
7. Peduncle longer than the petiole; limb oblong-ovate, cordate at the 
base, up to 6.5 em long and 3.7 em wide................ 10. P. longum 
5. Limb pubescent on both surfaces. 
' 6. Berry free and without a style; limb ovate-oblong, obtuse at the 
base, 14.5 cm long, 5.2 cm Wide@enii..0.0.... se. ceteecnceneee ll. P. pilipes 
6. Berry free and with a terminal style; limb ovate-oblong, cordate at 
the base, 13 to 19 em long, up to 9 em wide.... 12. P. rhyncholepsis 
4. Limb multiplinerved or penninerved, that is, with some of the lateral 
nerves or all of them issuing from the central nerve. 
5. Limb cordate at the base. 
6. Limb entirely glabrous. 
7. Limb multiplinerved. 
8. Berry free. ‘ 
9. Peduncle shorter than the petiole; limb 20 em long, 9.5 em 
WIG... 055. -:cc<cctsesasteta then EBiS += 6--2-- 13. P. lageniovarium 
9. Peduncle as long as the petiole; ‘limb 7 em Ph 5.5 em wide. 
. P. sarmentosum 
9. Peduncle longer than the petiole. 
10. Limb 12 em‘long, 6.5 em wide... mires tC 15. P. Zamboangae 
10. Limb 23 to 26 em long, 13 to 16 em wide.... 16. P. Forstenit 
8. Berry partly imbedded in and concrescent with the rachis. 
9. Limb 11 em long, 4.5 em wide; spike 3 cm long. 
49. P. retrofractum B 
9. Limb 17.5 em long, 10.5 em wide; spike 32 cm long. 
. ‘17. P. rotundistigmum 
8. Berry unknown; peduncle shorter than the petiole; limb 11.5 
em long, 9 cm wide.........-.....------ sdk on wiping 18. P. Feniwii 
7. Limb penninnerved; berry free; limb 12 to 15 em long, 9 to 10 
em wide; connective prolonged above the pollen-sacs. 
48. P. corylistachyon forma a 
6. Limb glabrous above, more or less pubescent on the lower surface, 
at least on the nerves. : 
7. Limb up to 14.5 em long and 7 cm wide; female spike 2.5 cm long. 
19. P. aurilimbum 
7. Limb up to 21 em long and 12 em wide; male spike 11 cm long. 
20. P. subprostratum 
6. Limb pubescent on both surfaces. 
7. Limb ovate-oblong, long-acuminate, 10 cm long, 2.8 em wide. 
21. i Ramosivi 
7. Limb subovate- -elliptic, shortly acuminate, 19 em long, 9 5 em wide. 
22. P. Merrillit 
5. Limb semicordate at the base, up to 21 em long and 8 cm wide; male 
and female spikes 3 to 4 em long..............-....-..-- 23. P. pseudochavica 
5. Limb neither cordate nor semicordate at the base. 
6. Limb quite glabrous. : 
7. Limb multiplinerved. 
8. Berry free. 
9. Limb narrowly ovate-lanceolate, up to 8 em long and 2.5 cm 
WIS | 2.55. eae esata ier . 59. P. delicatum B 
9. Limb elliptic, 16 cm long, 11.5 em wide........ 24, P. cristatum 
