A REVISION OF PHILIPPINE PIPERACEAE. 407 
4. Limb elliptic-lanceolate, 3 to 5 em long, 2 to 3 em wide... 9. P. laevifolia 
3. Stigma inserted on top of the ovary. 
4. Limb rounded-cordate or reniform, about 6 mm long and 8 mm wide. 
10. P. exigua 
4. Limb deltoid-cordate, about 25 mm long and 20 mm wide. 
ll. P. pellucida 
4. Limb ovate, up to 40 mm long and 30 mm wide................ 12. P. Merrillii 
4. Limb elliptic-lanceolate, 40 mm long, 20 mm wide; spike 1.5 mm thick. 
13. P. apoana 
4. Limb elliptic-lanceolate, 42 mm long, 22 mm wide; spike 1 mm thick. 
14. P. pellucidopunctulata 
2. Limb of leaves glabrous on both surfaces, ciliate on the margins, elliptic- 
lanceolate, up to 15 mm long and 13 mm wide................--. 15. P. negrosensis 
2. Limb of leaves glabrous on the upper surface, pubescent underneath, elliptic- 
lanceolate, 40 mm long, 29 mm Wide..........-.------------1+---+-+ee0eteees 16. P. Elineri 
2. Limb of leaves pubescent on both surfaces. 
3. Limb not black-dotted. 
4. Limb obovate or elliptic, up to 23 mm long and 17 mm wide, not densely 
| (een enmemERene || Ok 17. P. Macgregorii 
4. Limb obovate, up to 20 mm long and 12 mm wide, rather densely 
puberulous  -...........-----eeeceeecececeecsenenneecnmannsenncncnncesescsesessees 18. P. rivulorum 
4. Limb elliptic-lanceolate, about 20 mm long and 12 mm wide, hairs very 
SHO ee tee nc LE ee ea 19. P. puberulifolia 
4, Limb eHiptic-lanceolate, up to 25 mm long and 10 mm wide, hairs long. 
20. P. mindoroensis 
4, Limb elliptic, up to 26 mm long and 20 mm wide, hairs long. 
21. P. marivelesana 
3. Limb black-dotted underneath, subobovate-elliptic, hairs very short. 
22. P. pallidibacca 
1. Peperomia lagunaensis ©. DC. sp. nov, 
- Foliis modice petiolatis, ellipticis, basi et apice acutis, utrinque glabris 
et junioribus margine ciliatis, dein omnino glabris, 3-nerviis, petiolis 
glabris; pedunculis axillaribus terminalibusque glabris, quam petioli 
duplo longioribus; spicis maturis folia paullo superantibus, subdensi- 
floris; bracteae pelta orbiculari centro subsessili; antheris ellipticis, 
filamentis brevibus; ovario emerso obovato paullulo sub apice stigma- 
tifero, stigmiate’ parvo glabro, bacea globosa glandulis asperulata. 
Herba epiphytica. Caulis inferne e nodis radicans et haud dense 
pilosus, superne ramulosus et glaber. Ramuli glabri in sicco complanati, 
- in sicco usque ad 1.5 mm crassi. Folia opposita. Limbi in sicco mem- 
branacei, superis usque ad 37 mm longi et 17 mm lati. Petioli 5 mm, 
pedunculi 10 mm longi. Spicae usque ad 3 cm longae, 1 mm crassae. 
Bacca sessilis, sine pseudocupula, 0.5 mm crassa. 
Luzon, Province of Laguna, Mount Maquiling, Merrill 5130, altitude about 
1,100 m, March, not common; Mount Banajao, Bur. Sci. 6079 Robinson, March, 
Bur. Sci. 2446 Foaworthy, March: Province of Bataan, Mount Mariveles, Whitford 
114, May, Bur. Sci. 6210 Robinson, August. : 
