22 



Britton: Studies of West Indian plants 



19 



20. 



23- 



24. 



t Leaves faintly reticulate-veined beneath or 

 not reticulate-veined. 

 Leaves glabrous, or merely puberulent, the 



venation obscure. 

 Leaves densely strigose-pubescent beneath, 

 pinnately veined, 

 ft Leaves strongly reticulate-veined beneath. 

 X Leaves ovate to elliptic. 

 Leaves rounded at the apex. 



Calyx-lobes triangular; leaves 4 cm. 



long or less, the petioles stout. 

 Calyx-lobes ovate-oblong; leaves 2 

 cm. long or less, the petioles 

 slender. 

 Leaves acute or acutish at the apex; 

 inflorescence subcapitate. 

 Inflorescence subsessile. 

 Inflorescence manifestly peduncled. 

 XX Leaves oblong. 



Calyx-lobes linear, linear-lanceolate or 

 ovate, acute or acutish. 

 Leaves 1 cm. long or less. 

 Leaves 1.5-6 cm. long. 

 Calyx-lobes broadly ovate, rounded or 

 obtuse. 

 Leaves tomentulose beneath. 

 Leaves strigose on the veins beneath. 

 ** Leaves coriaceous, mostly small; peduncles 

 mostly 1 -flowered. 

 Leaves elliptic to orbicular, obtuse or rounded. 

 Leaves silvery-puberulent beneath. 

 Leaves tomentose beneath. 



Leaves elliptic, 1.5-2 cm. long; calyx- 

 lobes linear-lanceolate, acuminate. 

 Leaves oval or orbicular, 5-15 mm. 

 long; calyx-lobes oblong, obtuse. 

 Leaves oblong, acute or acutish. 



Leaves glabrous, green both sides. 

 Leaves white-tomentulose beneath, dark 

 green and glabrous above. 



B. Capsule linear-oblong, 2 cm. long; inflorescence terminal. 34. 



C. Species not grouped. 35. 



R. chamaebuxifolia. 

 R. intermixla. 



21. R. lomensis. 



22. R. baracoensis. 



R. rigida. 

 R. nipensis. 



29. R. savannarum. 



30. R. venosa. 



3i. 



32. 



33- 



R. hypoleuca. 



R. vacciniifolia. 



R. blcolor. 



R. tinifolia. 



R. camagueyensis. 



I. Rondeletia odorata Jacq. Enum. PI. Carib. 16. 1760 



R. speciosa Lodd. Bot. Cab. 19: pi. 1893. 1832. 



Type locality: Coastal thickets, Havana [Jacquin, Sel. Stirp. 



59]. 



