RHEXIA princeps. 
К. ramis angulatis foliisque subtus fuscescenti-tomentosis, supra 
strigoso- pilosis, еШрисо- oblongis, subacuminatis, cordatis, argute 
serrulatis, septemnerviis, ineequalibus; floribus corymbosis, sub- 
decandris; calyce glandulis peltatis setosis obsito. 
Fnurrx ramis oppositis, angulatis, fuscescenti- tomentosis. Folia oppo- 
sita, petiolata, elliptico-oblonga, apice angustata et subacuminata, 
basi rotundata et cordata, margine argute serrulata, reticulato- 
septemnervia, nervis subtus prominentibus, subcoriacea , rigida, 
subconduplicata, supra strigoso- pilosa et viridia, subtus tomen- 
tosa et canescenti- Ѓаѕсеѕсепіа , tres aut tres et dimidium pollices 
longa, 15-16 lineas lata; alterum oppositum minus. Petioli sub- 
semipollicares, interne canaliculati , fuscescenti- tomentosi, Flores 
subterni, in apice ramorum per corymbos dispositi, breviter pedun- 
culati. Calyx. campanulatus, limbo quinque-,rarius quadrifidus, 
basi bibracteatus; tubus glandulis pedicellatis peltatis hispido- 
setosis ubique densissime obsitus; lobi subrotundo-ovati , obtusi , 
externe adpresso-pilosi, apice glandula setosa instructi, aequales. 
Drachen oppositæ, subrotundo- ovate, acuminatz, externe adpresso- 
pilosæ, calyce multo breviores. Petala quinque, interdum quatuor, 
limbo calycis inserta, obovata, obtusa, unguiculata, qualia, nervosa, 
glabra, violacea, patentissima. Stamina decem, rarius octo, ibidem 
inserta, alterna minora, corollam paulo superantia. Filamenta 
lineari-filiformia, glabra. Antheræ lineares, apice attenuatæ, 
arcuatæ, biloculares , glabræ ; loculi angusti, appositi, connexivo 
interne айпай, apice poro communi dehiscentes; connexivum 
lineare, infra loculos productum, basi, ubi filamento insidens, 
biappendiculatum; appendicibus brevibus, curvatis. Ovarium 
ellipticum, liberum, apice setoso- hirsutum , tubo calycis brevius, 
quinqueloculare; loculis polyspermis. Placentæ quinque, axi 
ovarii ope lamine affixæ. Srvrus terminalis, filiformis, glaber, 
stamina longitudine æquans. Stigma truncatum. Fructus haud 
suppetit. 
Habitat in Brasilia. 
