G62 — l/iO c. MAum^. — melastomacearum 



10. D.? GUYANENsis DC, /. c, — Nonne species affinis D. ci- 

 liatce? 



11. D.? PERDVIANA DC, /. C. 



CXLVI. CENTROISIA. 



Centronia Don , Mem. Wcrn. soc, IV, 314. — DC, Prod., III, 106. — 

 Endlich.. Gen. plant., n" 6181. 



1. Centroinia laurifolia Don, /. c, 315.— DC, /. c, 106. 



CXLVII. LEIOSTEGIA. 



Leiostegia Bentham in Hook. , Lond. journ ofbot., II, 294. — Walpers, 

 Repert., V, 699. — Endlicher, Gen. plant. supp., II, p. 94. 



1. L. vERNicosA Benth. , /. c. — Walp. , /. c. 



CXLVIII. — SARMENTARIA. 



Fios 5 merus. Calycis tubus (saltem fructiferi) ovoideus, ner- 

 vis 10 robustis prominentibus costatus, limbus in lobos 5 rotun- 

 datos breves denliculo externo tuberculiformi instructos divisus. 

 Petaia genitaliaque ignota. Capsula calycis tubo inclusa ejusque 

 dentibus coronata, loculicide Svalvis, demum in fragmenta se- 

 cedens. Placentse elongatae sed a columella parum productse, un- 

 dique spermophorse. Semina numerosissima minuta hnearia aut 

 potius acicularia, embryonem in medio tanlum monstrantia. 

 Nervi calycini, parenchymate intermedio soluto, in lignum indu- 

 rati persistentes, apicibus alternatim bifurcis nervulo transverso 

 inter se concatenati et iocellum 10-fenestratum fructus formam 

 adhuc retinentem formantes. 



Sujfrutex? guyanensis sarmentosus scandens? rnacrophyllus 

 glabratus, ramis herbaceis teretibus loevibus; foliis oppositis ovatis 

 acuminatis integerrimis aut tenuiter sinuato-dejiticulatis b-nerviis ; 

 paniculis termi?ialibus magnis thyrsoideis muUifloris. 



Speciei adhucdum indescripta) duo specimina nostra fructifera 

 floribus autem destituta a laudatissimo Candolkeo cum Blakea in 



