standley: new species of rondeletia 127 



It is difficult to determine the exact relationship of Rondeletia 

 Rekoi among its Central American allies. The dense tomentum 

 of the leaves is characteristic of many continental species, but 

 the plan of the inflorescence is unlike that of any other Rondeletia. 

 The cymes simulate perfectlj^ those of the genus Antirhea, of the 

 remotely related tribe Guettardeae, although in that group the 

 cymes are solitary arid axillary, rather than racemose, as in this 

 plant. The stipules, too, of R. Rekoi, are different from those of 

 any other species, and the prominent reticulation of the upper 

 leaf-surface seems unique. The plant shows a strong color con- 

 trast between the bright green upper surfaces of the leaves and 

 the white lower surfaces and stems, and would doubtless prove 

 attractive in cultivation. 



