Emilia.'] Lxxiii. compositj; (Oliver and hiern). 495 



81. EMILIA, Cass. ; Benth. et Hook f. Gen. PL ii. p. 445. 



Capitnla homogamons discoid, florets ^ orange or scarlet. Invo- 

 lucre cylindrical or campanulate ; bracts 1 -seriate equal without a 

 calyculus. Receptacle naked. Anther- base unappendaged. Style- 

 branches terminating in an acute appendix. Achenes 5-angled or 

 subterete ; pappus of copious fine white soft setae. — Herbs with radical 

 or alternate canline leaves and loosely cymose or subsolitary peduncu- 

 late capitula. 



A small tropical genus scarcely distinguishable from Senecio. 

 Stem-leaves at least the upper ones auriculate. 



Involucre equalling the florets I. E. sonchifolia. 



Involucre falling short of the florets. 



Stem branch^, leafy 2. E. sagittata. 



Stem short, nearly simple ; leaves subradical . . . Z. E. juimila. 

 Leaves not auriculate ^. E. ccEsjpitosa. 



DOUBTFUL SPECIES. 



Upper leaves cordate-amplexicaul b. E.l gracilis. 



1. B. sonchifolia, DC, Prodr. vi. p. 302. Glabrous or puberu- 

 lous, somewhat glaucous annual, 6-24 in. high or more, erect or 

 diffuse, more or less branched. Leaves lyrate- or cordate-amplexicaul, 

 more or less toothed, 1-4 in. long, sessile or the lowest ones petiolate, 

 the upper ones auriculate. Capitula cylindrical, about | in. long, on 

 slender pedicels ranging up to 2 in. long, in a rather lax cyme. Invo- 

 lucral bracts glabrous or puberulous, linear, acute, equalling the purple 

 or orange-purple florets. — Cacalia sonchifolia^ L. Sp. PI. ed. i. 835 ; E. 

 purpurea^ Cass. Diet, xxxiv. p. 393 ; E. rigidula, DC. I.e. 



ITpper Guinea. Sierra Leone, Afzelius ! 



Mozamb. Bistr. Quilimane, Kirk ! 



A very widely distributed tropical weed, reaching India, America, etc, 



2. IS. sagrlttata, BG. Prodr. vi. p. 302. Erect glabrous or 

 puberulous annual, ^-4 ft. high, usually glaucescent. Leaves sagit- 

 tate-amplexicaul, oval-ovate or oblong, denticulate or subentire, 1-4 

 by ^2^ in., sessile or the lowest ones narrowed at base into a petiole. 

 Capitula ^-% in. long, campanulate, on pedicels ranging up to 2^ in., 

 in a loose cyme or subsolitary. Involucral bracts linear, acute, gla- 

 brous or puberulous, falling short of the yellow red or orange florets. 

 — Cacalia sagittata, Vahl Symb. iii. p. 91 ; Emilia Jlammea, Cass. Diet, 

 xiv. p. 406, " alt. iii. t. 5 ; " E. sonchifolia, Benth. in Hook. Niger Fl. 

 p. 439, non DC. 



ITpper Guinea. Abbeokuta, Irving ! Ambas Bay, Mann ! Old Calabar: Rchh ! 

 Niger, Barter ! Gaboon, Jardin. 



ITortb Central. Monbuttu-land, Schweinfurth ! 



Wile Xiand. White Nile, Murie ! 



Xiower Guinea. Angola, Monteiro ! (florets scarlet). 



Moxamb. Blstr. Zanzibar and Zungomero, Speke and Grant ! Zanzibar and 

 Cabaceira, Peters! Manganja-hills, Metier! Moramballa, Kirk! 3500 ft. alt.; River 

 Shire Valley, Kirk ! Zanzibar, Hildebrandt ! 



Occurs also in India. . 



Emilia humifusa. DC. Prodr. vi. p. 302, i.e., Cacalia humifiu^a, Boj. ex DC. I.e., 

 from the Island of Zanzibar, may be a decumbent state of this species. 



