735 



Tr. I. POLYCARPEiE. dc. 



Ovarium pluriovulalum. Capsula libera polysperma valvis dehiscens. 

 Styli inferne in unum coaliti. Folia opposita stipulata. 



ROBBAIREA. 



Calyx 5 partilus laciniis plano - concavis margine anguste scariosis. 

 Petala 5 unguiculata lamina abrupte cordata ovata. Stamina 5 in an- 

 nulum perigynum connata. Stylus apice trifidus. Capsula trivalvis. 

 Semina cuneiformia in;urva dorso convexo canaliculata. — Herba 

 facie Ortegice vel Polycarpi, ab hoc genere et a Polycarpced petalis 

 distincta. 



R. prostrata (Forsk. Descr. p. 207 sub Alsine) glabra, caulibus 

 numerosis filiformibus prostratis stricte ramosis, foliis minulis oblon- 

 gis vel linearibus, stipulis bracteisque brevibus triangularibus mar- 

 gine scariosis, cymis laxis fastigialis, pedicellis calyci requilongis vel 

 longioribus, sepalis ovatis obtusiSj petalis roseis calycem aequantibus 

 % . Del. Fl. Eg. p. 246, tab. 24, fig. 2. — Arenaria prostrala Ser. in 

 dc. Prodr. I, p. 400. — Polycarpcea prostrata Decaisn. Flor. Sinaic. 

 p. 39. — Spergnlaria prostrata Cosson pl. exs. 



Hab. in arenosis desertorum iEgypti (Forsk. Del. Husson ! ), Arabiae 

 Petreae (Bove! Boiss!), Palaestinae ad Hebron (Roth !), Mesopotaraiae prope 

 Bagdad (Noe!). Fl. Mart. Apr. 



Ar. Geogr. Algeria interior in ditione Mzab (Cosson!), Nubia (Ky!). 



POLYCARPON (L. Gen. 105). 



Calyx 5 partitus laciniis carinatis anguste scariosis apice cucullatis. 

 Petala 5 pbovata vel oblonga. Stamina 3-5 disco perigyno inserta. 

 Slylus apice trifidus. Capsula trivalvis. Semina dorso curvata venlre 

 recta. — Herbse vel suffrutices. 



* Stipulae et bractesB triangulari-lanceolatse acuminatae omnino scarioso- 

 argentea?, bractese calycis basin amplectentes. 



P. tetraphyllum (L. Sp. 89 sub Mollugine) caulibus a basi 

 diffuse ramosis pluries dicho vel trichotomis, foliis caulinis quaternis 

 rameis oppositis oblongo- spalhulatis, floribus laxiuscule cymosis iri- 

 andris, pedicellis calyce longioribus, sepalis ovatis mucronatis, peta- 



