6/l2 — 120 C. NiHUOIN. — MELASrOMACEAllUM 



5-costatum apice truncato umbilicatum 5-loculare. Stylus cras- 

 siusculus, stigmate obtuso punctiformi. Capsula calyce persistente 

 circumdata loculicide 5-valvis, placentis productis margine incras 

 satis. Semina oblongo-pyramidata, hilo basilari. 



Frutices anstro-americani monticolce , glabri aut in novellis 

 parce furfuracei; foliis siibcoriaceis petiolatis elliptico-ovatis obo- 

 vatisque acutis denticulatis 2>-h-nerviis , nervulis transversis sub- 

 approximatis paj^allelis; paniculis brevibus subcorymbiformibus , 

 ramulis ut plurimum 'd-fhris; floribus pedicellatis. 



Genus Merianias proximum, ab ea vix satis diversum limbo 

 calycino integro dentibusque externis obsoletis. 



1. CiTASTEN^A Mekiani.i: DC. , /. c. — Decaisne, Deless. Icon. 

 select. plant., V, tab. 2. 



C. glaberrima ; foliis late ellioticis apice acutis basi subacuminatis 

 serratis tripli-quintuplinerviis ; paniculis suboligantliis; caly- 

 cibus depressis ; antlierarum vesicula postica rotundata obtusa 

 terminali. 



Folia ^1-6 centim. longa, 2-3 lata, adjecto utroque nervo marginali 

 quintuplinervia aut prajtermissotriplinervia , petiolissesquicentimetrum 

 etquod exceditiongis. Paniculffiapliyllcebrevesnonnihil corymbiformes, 

 ramulis 3-floris, pedicellis florum propriis circiter centimetralibus. Ca 

 lyces latissime campanulati idcircoque quasi depressi, limbo vix perspi- 

 cue 5-sinuato, extus tubercuiis tolidem denticulorum externorum rudi- 

 mentis instructo. Petala late retusa subinaequilatera concava , circiter 

 sesquicentimetrum longa, sub anthesi exsertissima , alba aut rosea. — 

 In monte Sarogwu Reipublicffi novo-granatensis ; Bonpiand. 



2. CHASTEN.EA AFFINIS -}-. 



C. prcX"cedenli fere simillima, glabra; foliis longiuscule petiolatis 

 late ovatis subacutis remote sinuato-dentatis , adjecto nervo 

 utroque siibmarginali 5-nerviis; calycibus depressis; anthera- 

 rum vesicula ovoidea postice apiculata. 



Species primoobtiitu C. Meriania' similis, ab ea tamen characteribus 

 paucissed faciiedepreiiendendisdistinguenda. Folia quani in illa latiora, 



