Pn.T^NOGAAIIC TEGETATIo:X OF RODETGrEZ. 15 



non compressa. — Arbores parva?, glaberrimse, ramulis subtctra- 

 gonis. _^6;//a opposita, brevitcr petiolata, rigide coriacea, penni- . 

 nervia. Sti^idce interpetiolares, late, connatse, coriacCtT, per- 

 sistentes. Flores in capitulum 6-12-floriim densum peduncu- 

 latum congest! ; capitula intra bracteas duas oppositas conni- 

 ventes crasse coriaceas pcrsistcntes in involiierum cyatliifonne 

 connatas inclusa. 



■ 



Monotypic and endemic. 



S. REVOLUTA, sp. unica. 



Arbor parva, ramosa ; foliis heteromorphicis; adultis hreviter petiolatis 

 ellipticis v. late ovato-oblongis nitidis vemilosis^ niarginibus revohitis 

 3^-4 poll, longis 1^-2 J poll, latis (petiole excluso ^-^ poll, longo), 

 juvenilibus linearibus 4-6 poll, longis, ^ poll. latis ; stipulis J poll, 

 longis ; capitulis solitariis, axillaribus, ereeto-patentibus, pedunculis 



petiolum excedentibus, i-^-^ poll, longis; lavolucroi poll. diam. basi. 



iutus tuberculis appressis brevibus teretibus linearibus dense vestito ; 

 corolla \ poll, longa, calyee triplo longiore ; fructu in singulo invo- 

 liicro solitario. 



Hab, In insula dispersa. Nom. vulg. Rois Mangue. 



A near congener o^ Pi/rostria, Eemarkable for tbc large two- 

 leaved persistent involucre embracing and enclosing the flowers, 

 and also for its beteromorphic leaves. 



PSYCHOTRIA? LANCEOLATA, Balf.fiL, sp. n. 



Frutex glaber ; ramulis tctragonis ; foliis opposltis lanceolatis acutis 

 infernc in petiolum brevem gradatim attenuatis, coriaceis ; stipulis 

 deciduis ; floribus in paniculam corymbosam pedunculatam^ ebrac- 

 teatam v. minutissime bracteatani, in axillis foliorum supcriorum con- 

 gestis, minutis, breviter pedicellatis ; calyce late cupuliformi truncatu 

 obscure 5-dentato ; corolla subcampanulata lobis lanceolatis incras- 

 satis tubo breviovibus, fauce dense pilosa ; antberis dorsoaffixis, fila- 

 mentis brevibus; disco magno ; ovario 2-loculari ; ovulo solitario in 

 singulo loculo, erecto, basilari, oblongo-ovato compresso; stylo fiir- 

 cato, ranns brevibus ; fruet. ign. 



Hab. In declivibus mentis "Grande Montague" infrcquens. Nom. 

 vulg. Bois Lubine. 



The specimens I obtained of this are very imperfect; and a final 

 determination is impossible. Its position, therefore, in this genus 



is provisional. 



Composite. 



PSIADIA RODRIGUESIANA, Balf. JlL, Sp. H. 



Suffrntex, ramulis teretibus pubescentibus ; foliis lanceolatis, aciitis. 



