Fischer iance. N. O- Cruciferae 



TAB. CCXXIII. 



ScHouwiA Arabica. 



Gen. Char. CaL erectus, sepalis 2 oppositis paululum pro- 

 ductis. Petala unguiculata, limbo obovato. Filamenta eden- 

 tula. Antherce lineares, acutae. Ovarium sessile, ellipticum, 

 alato-marginatum. Stylus subulatus, ovarii longitudine. 

 Stigma sagitliforme, tenui-pubescens. Silicula (fere unciam 

 longa), elliptica, insigniter lateraliter conipressa, planiuscula, 

 ala lata cincta, bivalvis, stylo elongate persistente terminata. 

 Septum angustissimum. Fa/r<s merabranacese, reticulatim ner- 

 vosse. Semina in quoque loculo plurima, subrotunda, com- 

 pressa, horizontalia. Podospermum tenue, elongatum. Coty^ 

 ledones conduplicatae.— Herba annua glabra ramosa, Habi- 



fere foliorum 



Be 



Prodr 



224. 



Subularia purpurea. Forsk, FL j^ypt. Arab. p. 117. 



Thlaspi Arabicum. Vahl^ Symb. 2. jp. 76 {excL syn. Linn,). 



Hab. Arabia Felix, in moist sandy mountainsa near Mor. 

 ForskahL At Hermonthis. Sieber. Uncultivated fields in 

 the valley of Fature, flowering the end of February, S. Fischer 

 {n. 108). 



jRadix mihi ignota. Caulis pedalis et ultra, ramosus, ubique 

 glaber. Folia alterna, oblongo-ovata basi profunda cordata, 

 amplexicaulia, penninervia, integerrima vel rarius obscure 

 denticulata. Flores in racemos demum (fructiferos) valde 

 elongatos ebracteatos terminales et laterales dispositi. Pedi- 

 celli breves calyce 3-pIo breviores. Petala pallida lilacina, 

 unguibus flavis. 

 The specimen here represented is from the collection of M. 



S. Fischer, above quoted. 



Fig. 1, Silicula, slightly magnified. 



