SYNOPSIS OF THE GENERA. 



dale, with an inflexed point, the outer ones radiant, and 

 deeply bifid. Fruit witli the sides compressed. Carpels 

 with five primary bristly ridges, three at the back, the two 

 lateral ones on tlie plane of the commissure, the secondary 

 ridges obliterated by the numerous prickles, which occupy 

 the whole of the channels, under which are single vittce. 

 Albumen deeply channeled in front. General and partial 

 involucre of numerous segments, 

 b. Fruit not prickly, ridges obtuse, sometimes wanting, except at 

 the point. 



80. Scan'dix, [Page 404.] Calyx an obsolete margin. Petals 



obovate, with an inflexed point. Fruit with the sides 

 compressed, and with a very long beak. Carpels with 

 five obtuse equal ridges, the lateral ones forming the 

 margin. Channels without or with scarcely any vitttB. 

 Albumen roundish, with a deep furrow in front. General 

 involucre wanting, or of few segments, partial of from 

 five to seven segments. 



81. Anthris'ccs, [Page 405,] Calyx an obsolete margin. 



Petals obcordate, with an inflexed often very short point. 

 Fruit contracted at the sides, beaked. Carpels nearly 

 round, without ridges, except five on the beak. Albumen 

 nearly round, deeply furrowed in front. General invo- 

 lucre wanting, partial of numerous segments. 



82. Ch^rophyl'lum, [Page 407.] Calyx an obsolete margin. 



Petals obcordate, with an inflexed point. Fruit con- 

 tracted at the sides, beaked. Carpels with five very 

 obtuse equal ridges, the lateral ones forming the margin, 

 the commissure with a deep furrow. Channels with single 

 vittce. Albumen roundish, deeply lurrowed in front. 

 General involucre wanting, or of few segments, partial of 

 numerous segments. 



c. Fruit not prickly, ridges acutely winged, not crenated. 



83. Myrr'his, [Page 410.] Calyx an obsolete margin. Petals 



obcordate, with an inflexed point. Fruit laterally com- 

 pressed. Carpels with a deep furrow between them, of 

 five ecpial acutely winged hollow ridges. Channels deep, 

 without vittce. Albumen closely invested with a second 

 covering of the pericarp, the sides rolled inwards. General 

 involucre wanting, partial of numerous segments. 



84. Physosper'mum, [Page 411.] Calyx margin of five teeth. 



Petals obcordate, with an inflexed point. Fruit laterally 



