68 FLOR. TELL. 



desc. do W. Kunth, Lind. b. reg. 1403. fol. am- 

 plex. ovatis undul. umbella term. 5fida ramosa 

 corymb, bracteis ovatis, cal. pilosis. Cumana 

 and Mexico, petals purple, bracts ivolucrating 

 and on peduncles. 



682. Tropitria Raf. (3 keels) a subgenus 

 only of Tradescantia ? difl'erence, cal. carinatis, 

 filam. basi villosis, stylo glabro, seminis biseri- 

 alis in loculis — Type Tr. crassula Link. Grab. 

 Hook. b. m. 2935. glabra ramosa, fol. obi. lan- 

 ceol. ciliatis nervosis, umbella termin. petalis 

 cal. brevior albis. South America. 



683. OviDM. Raf Spat ha ut Commelina, cal. 

 2phylo ineq. infero major bilobo. cor. petalis 3 

 ineq. 2 subunguic. rotundatis. stam. 5 glabris 2 

 sterilis, stylo declinato, stig. 31obo, caps. 31ocul. 

 3gona — Very distinct from Commelina by 5 

 stamens &c. perhaps several sp. but the type 

 is. 



684. Ovidia gracilis Raf Commelina do fl. 

 per. t. 72, Hooker b. m. 3047. C. formosa Grab, 

 caule assurgens articulato retropiloso, fol. lan- 

 ceol. glabris acutis 7nervis, spatha plicata 

 compr. cordata multifiora. Peru. 



685. EuDiPETALA Raf diff. Commelina, poly- 

 gama, cal, 3fol. eq. pellucidis membr. petalis 

 2 superis eq. infero minimo seu nullo, stam. 3 

 fertilis, antheris ineq. 2ovatis, 1 lobata major, 

 stam 3 sterilis lobatis — Type Eud, deficiens 

 Raf. Commelina do Hook. b. m. 2644. erecta, 

 ramosa, fol. ovatis lanceol. undulatis basi cilia- 

 tis, spatha cordata acum. nonnulis ft. femineis 

 — Brazil, perennial, petals blue, the third when 

 present is white. 



686. Commelina L. auct. a crowd of heter- 

 ogenous sp. was blended here ; it is difficult to 

 say which ought to remain the real type. I 



