Senecio. ] LXXIII. COMPOSITE (OLIVER AND HIERN). 413 
a petiole; upper leaves sessile, anriculate-amplexicaul, dentate or incise- 
pinnatifid, oval or oblong, obtuse or apiculate, 1-34 in. long. Capitula 
widely campanulate, about } in. long, on pedicels of +},—-1 in. long, in 
@ corymbose cyme. Calyculus of a few short subulate or filiform 
bracts. Involucral bracts narrowly linear, acuminate, 2—1-nerved, 
with scarious margins, equalling the florets. Ligule of ray-florets 5-4- 
nerved, full or half the length of the involucre. Achenes costate, 
minutely setulose on the ribs.—S. strictus, DC. 1. ¢. 
Upper Guinea. Senegambia, Perrottet / 
_ 10. S. picridifolius, DC. Prodr. vi. p. 386. Perennial herb, 
simple or branched, 1-24 ft. high or more ; stem terete, striate, shortly 
pubescent. Leaves oval-oblong or ovate, acutely toothed, puberulous 
or glabrous, sessile, auriculate or narrowed at base, 14-44 by 3-14 in. 
Capitula campanulate, with a broad truncate base, 3-3 in. long, 1 or 
few together, on peduncles of 3-6 in. Calyculus of several linear 
ciliate or glabrate small bracts. Involucral bracts linear, puberulous 
or glabrate, acute, with narrow thinner margins. Ray-florets none. 
Achenes costate, glabrous on the ribs, minutely hairy between the ribs. 
Pappus ultimately exceeding the involucre.—Harv. Fl. Cap. iii. p. 379. 
—S. acutidentatus, A. Rich. Fl. Abyss. i. p. 436. S. papaverifolius, A. 
Rich. 1. ¢. p. 437. 
Wile Land. Abyssinia, Quartin Dillon and Petit ! Schimper ! 
Oceurs also in Natal and the Transvaal republic of South Africa. 
8. papaverifolius is a luxuriant state with large auricles at the base of the leaves. 
hab; aquatic form with more numerous and smaller heads and with a decumbent 
abit was collected by Schweinfurth ! by Gazelle River. 
lL. s. macropappus, Schultz Bip. in Herb. Schimp. Abyss. ii. n. 
844. Perennial herb, puberulous or scabrid, 2-5 ft. high, branched. 
ves ovate, closely irregularly and often unequally dentate, shortly 
*cuminate or apiculate, truncate or excavated at the base, 1-24 by 3-2 
™. 3 petioles ranging up to 14 in., auricled at the base. Capitula 
Solitary or few together, campanulate, with a wide truncate base, 4-2 
Mm. long, on peduncles or pedicels of 3-6 in., not radiate. Calyculus 
sousisting of several small linear ciliate bracts. Involucral bracts 
®ar, acute, subglabrous. Florets yellow. Achenes costate, setulose 
tween the ribs. Pappus exceeding the involucre.—A. Rich. Fi. 
Abyss. i. p. 436, 
Mile Land. Abyssinia, Schimper! Q. Dillon, Petit ! 
13 2. s, tuberosus, Schultz Bip. in Herb. Schimp. Abyss. li. n. 
61. Root tuberous, fleshy, white, 1-3 in. diameter. — Stems herba- 
cous, erect, glabrous 7-18 in. high, leafy at the base, simple or nearly 
ae Ower leaves elliptical or ovate-elliptical, coarsely or sinuately 
th thed or some 3-lobed, subglabrous or puberulous, obtuse, cuneate at 
| © Dase into a petiole of 14-3 in., altogether 4-8 by 14-4 in.; upper 
“aves with shorter petioles or subsessile, more deeply toothed and 
ler. Capitula narrowly turbinate, + in. long, 4—6-flowered, not 
