Peperomia PIPEEACEJ?: . i. 



Leaves roundish - elliptical, long- 

 stalked, 3-4-5 cm. 1. ; bracts -75-1 

 mm. br., 2-3 visible about same level 7. P. alpina. 



Leaves obovate-elliptical, base long- 

 cuneate and passing into and de- 

 current on the stalk, 4" 5-12 cm. 1. ; 

 bracts -5- '75 mm. br., 8-4 visible 



about same level 8. P. crassicaiilis. 



Spike (in fr.) with ovoid pits not com- 

 pletely touching ; bracts •4-*6mm. 

 br., 3-7 visible about same level, 

 touching or overlapping in close 

 whorls; beak of berry curved or 

 straight, but not hooked, shorter 

 than the berry. 



Leaves sessile, linear-oblanceolate to 

 obovate ; bracts 6-7 visible about 

 same level ; beak very short, J- J 

 length of berry 9. P. amplcxicaulis. 



Leaves sessile, sometimes narrowing 

 into a stalk-like base, oblanceolate, 

 obovate or oblong-obovate ; bracts 

 4- 5 visible about same level ; beak 

 ^-J length of berry 10. P. clusiifolia. 



Leaves roundish narrowing into a 

 winged stalk or obovate, sessile ; 

 bracts 5-7 visible about same level ; 



beak J length of berry 11. P. magnoliifolia. 



Spike (in fr.) with spherical pits touch- 

 ing; bracts -3- '4 mm. br., 6-8 

 visible about same level, touching 

 in close whorls ; beak straight, 

 hooked at tip 12. P. obtusifolia. 



2. Leaves broadest below middle and ovate- 

 elliptical or ovate- roundish, or broadest 

 about middle, lanceolate. 



i. Leaves more or less peltate, somewhat , 

 leathery. 

 Leaves large, 12-20 cm. 1., peltate just 



above base 14. P. maculosa. 



Leaves smaller, 5-9 cm. 1. 



Leaves peltate at J-J of their length 



from base 13. P. hernandiifolia. 



Leaves scarcely peltate 15. P. distachya. 



ii. Leaves not peltate. 



Leaves decurrent forming wings or ribs 

 on the stem. 



Plant covered with black dots 28. P. glabella. 



Plant glabrous, without black dots or 

 with a few on lower surface of 

 leaves. 

 Leaves 4*5-7 cm. 1., elliptical-lanceo- 

 late, acuminate 20. P. alata. 



Leaves 3-7 cm. 1., broadly elliptical... 21. P. dendrophila. 

 Leaves 2-3-5 cm. 1., elliptical, very 



shortly stalked 22. P. Hamiltoniana. 



B Z 



