364 AUTUMN FLOWERS AND FRUITS. 



(21) Archangelica — fruit two-winged on each side ; carpels with 



thick dorsal ridges, and two marginal ones dilated into a 

 wing twice as broad as the rest, without vittae ; seed with 

 numerous vittae. 



(22) Peucedanum — fruit surrounded by a flat dilated margin; 



carpels with equidistant ridges, the three dorsal filiform, 

 the two lateral more obsolete, contiguous to the dilated 

 margin ; interstices with single vittse. 



** Albumen furrowed or involute at the margin. 



(23) Physospermum — fruit contracted at the side, double ; car- 



pels roundish or reniform-globose, with five fine slender 

 filiform equal ridges, of which the lateral are placed within 

 the margin ; interstices with single vittae. 



12. Araliaceous Plants. ARALiACEiE- 



(24i) Hedera— calyx-limb of five teeth ; petals, stamens, and 

 styles 5-10; berry five-celled, five-seeded, crowned with 

 the calyx. 



13. Dipsacaceous Plants. Dipsacace^. 



(25) Scabiosa — inner calyx of five bristles, outer membranous 



and plaited ; receptacle scaly ; fruit nearly cylindrical, with 

 eight excavations. 



14. Composite Plants. Composite. 



* Florets all tubular, or those of the dish tubular tuith the 

 outer ones ligulate, forming a ray ; style not swollen below 

 its branches (Corymbiferae). 



f Pappus none, or consisting of a mere border. 



% Beceptacle scaly ; (heads radiant). 



(26) Anthemis — involucre hemispherical, the scales nearly equal, 



