FLOKA OF JAMAICA 



Pcpcromia 



Leaves not decurrent. 



Spikes about as long as leaves. 



Spikes thick 5. P. bascllifolia. 



Spikes slender 6. P. talinifolia. 



Spikes 2 or 3 times as long as leaves, 

 slender. 



Leaves narrowly oblong 19. P. Harrisii. 



Leaves elliptical 24. P. guadalotipensis. 



II. Leaves opposite or in whorls of 3, 4 or 5. 



A. Leaves generally opposite, but sometimes 



whorled. 



1. Leaves large, more than 2" 5 cm. 1., lan- 



ceolate. 

 Spikes thick and fleshy. Leaves 



7-5-nerved .35. P. septemnervis. 



Spikes thin. Leaves 3-nerved. 



Margin of leaves not ciliate 28. P. stellata. 



Margin of leaves ciliate 29. P. blanda. 



2. Leaves small, less than 2*5 cm. 1. 



Leaves round and, with stem, densely 



villose 80. P. barbata. 



Leaves linear or obovate-oblong 25. P. filiformis. 



B. Leaves 3 in a whorl, elliptical. Stem 



hispidulous. Spike filiform, thin 37. P. discolor. 



C. Leaves 3-5 in a whorl. 



Leaves obovate, emarginate, glabrous. 



Spikes fleshy 34. P. qiiadrifolia. 



Leaves not emarginate. 

 Rhachis hirtellous. Leaves roundish or 



rh'ombeo-elliptical 33. P. reflexa. 



Rhachis not hirtellous. 

 Spikes somewhat fleshy. 



Leaves lanceolate, or elliptical-lan- 

 ceolate, indistinctly 3-nerved.,. 3L P. Myrtillus. 



Leaves obovate-subrhomboid 32. P. jpolystachya. 



Spikes thin. 

 Leaves '5-2 cm, 1. 



Leaves with brownish dots under- 

 neath 26. P. galioides. 



Leaves without brownish dots ... 27. P. verticillata. 

 Leaves 2-5 cm. 1. 

 Leaves opposite or 3-5 in a whorl. 



Margin of leaves not ciliate ... 28. P. stellata. 



INIargin of leaves ciliate 29. P. blanda. 



Leaves 4 in a whorl 36. P. rlwmboides. 



1. Berries stalked, setose, mucronate, with stigma terminal. 

 Leaves alternate. 



1. P. hispidula A. Dietr. Sjp. PI. i. 165 (1831); leaves 

 roundish, with a few hairs above ; spikes filiform, not fleshy, 

 lax-flow^ered, bracts inconspicuous ; berries stalked, stalk nearly 

 as long as berry. Griseh. FI. Br. W. Ind. 165; C. DC. in Symh. 

 Ant. in. 223; var. S\vartziana Baliht. Stud. 13, /. J./. 3 (1900). 

 Piper hispidulum Sw. Prodr. 15 (1788), Fl. Ind. Occ. 63 &, Icon. 



