TJMBELLirER^. 137 



GUN US XX— S E S E L I. Linn. 



Calyx-limb 5 -toothed. Petals obovate, notched, with an indexed 

 lobe. Cremocarp hairy or smooth, oval-ovoid or oblong-OA^oid, not 

 compressed ; columella bipartite, free ; mericarps with 5 thickened 

 often corky obtuse ridges, the lateral ones marginal and frequently 

 a little broader. Involucres various. 



Plants of various habit. 



The derivation of the name of this genus of plants is very doubtful and uncertain ; 

 it may be from the Arabian name of an umbelliferous plant somewhat resembling it, 

 and called Seycelyotis. 



SPECIES L—SESE LI LIBANOTIS. Koch. 

 Plate DCII. 



Eeich. Ic. Fl. Germ, et Helv. Vol. XXI. Tab. 1915. 

 Billot, Fl. Gall, et Germ. Exsicc. No. 1676. 

 Athamanta Libanotis, Sm. Eng. Bot. No. 138. 

 Libanotis vulgaris, D. G. Prod. Yol. IV. p. 150. 

 Libanotis montana, All. Fl. Ped. Vol. II. p. 30. 



Leaves bipinnate ; leaflets cut into oblong mucronate segments ; 

 lowest leaflets close to the common petiole and with their basal 

 lobes incumbent. Calyx-teeth subulate, elongate, deciduous. Invo- 

 lucre of numerous leaves. Cremocarp oval-ovoid, clothed with 

 small stiff hairs. 



On chalky hills in Sussex, Cambridgeshire, and Hertfordshire. 



En2:land. Biennial or Perennial ? Late Summer 



•o 



and Autumn. 



Poot a tapering taproot. Stem clothed at the base with the 

 fibrous remains of the decayed petioles, erect, 1 to 3 feet high, 

 firm, furrowed, solid, slightly branched in the upper part. Leaves 

 chiefly radical, shortly stalked, variable in the degree of cutting and 

 in the size of the leaflets, sometimes like those of the common carrot, 

 and sometimes approaching those of the cut forms of Pimpinella 

 Saxifraga. Umbels with 20 to 40 furrowed pubescent rays, open 

 when in flower, contracted in fruit, -J to 1 inch long ; pedicels nu- 

 merous, 1^ to J inch long. Involucre and involucel at length reflexed, 

 of numerous subulate setaceous leaves with scarious ciliated borders. 

 Plowers \ inch across, white, scarcely radiant. Calyx-teeth subulate, 

 spreading. Cremocarp thickly clothed with short stiff white hairs. 

 Styles spreading-reflexed, longer than the stylopods. Leaves dark- 



VOL. IV. T 



