. J 
Vernonia. | LXXIII. COMPOSITE (OLIVER AND HIERN). 285 
42. V. guineensis, Benth. in Hook. N. iger Fl. p. 427. Shrubby. 
Shoots, young parts and underside of leaves velutinous-tomentose, 
ferruginous. Branches straight, large, spreading, terete, striate, alter- 
nate or rarely opposite. Leaves alternate or occasionally opposite, 
lanceolate or elongate, acute, narrowed to a subsessile base, serrate, 
glabrescent above, ranging up to 5 in. long by 1} in. wide. Capitula 
campanulate or at length hemispherical, 20-80-flowered, 4-2 in. wide, 
on unequal pedicels varying up to # in. long, in a lax wide corymbose 
cyme. Scales of the involucre softly pubescent outside, appressed, 
dark at the tip, persistent ; outer ovate acute; inner oblong, blunt, 
intermediate narrowly elliptic. Receptacle naked. Corolla gradually 
narrowed ; lobes lanceolate-prolonged, acute. Anthers deltoidly pro- 
duced at both ends. Pollen globose, echinate. Achenes oblong 
or subturbinate, slightly or scarcely narrowed downwards, +; in. long, 
not callus-based, shortly finely and patently hispid in about 10 series, 
minutely glandular, terete, about 10-costate. Pappus pluriseriate, ru- 
fescent, minutely barbellate, setze compressed, subdilated ; outer series 
successively shorter, outermost very short, subpaleaceous, 
Upper Guinea. Sierra Leone, (fl. blue) G. Don! Afzelius! Smeathman! 
43. V. gerbereeformis, 0. § H. A dwarf acaulescent perennial 
herb, about 6 in. high, from a thickened woolly rootstock. Leaves 
radical, oblanceolate, rounded at the apex, attenuate towards the short 
clasping petiole, repand-denticulate, glabrous, thin, 4-6 by z-13 in. 
capes 3-14 in. long, puberulous, bearing one or more narrowly linear 
acute bracts. Heads solitary, widely campanulate, 3-1 in. long, erect. 
Involucral bracts lanceolate, acute, puberulous, persistent, loosely ap- 
Pressed in few (about 3) rows, $-% in. long, accompanied at base by 
some spreading narrowly linear acute bracts like those on the scape. 
lowers bluish. Corolla-lobes deep, narrow, varying to6~7. Achenes 
shortly hirsute, 10 ?-costate. Pappus pluriseriate ; sete stiffly barbel- 
» Unequal, subrufous ; a few outermost sets short. 
Nile Land. Bongo-land, near Addai, Schweinfurth ! 
44. Y, infundibularis, 0. § H. <A rigid glabrous herb of several 
feet. Branches terete, striate, leafy. Leaves linear or linear-oblong, 
obtuse or Somewhat apiculate, coriaceous, narrowed to the subsessile 
se, 1-34 by 1-2 in., quite entire or very nearly so. Heads turbinate, 
attenuate below, many-flowered, solitary or few together, on peduncles 
of 1}-21 in., erect, 1-14 in. diam. Involucral bracts linear or the 
outer Ones lanceolate, subapiculate, puberulous outside, multiseriate, 
* Innermost nearly 1 in. long, the outer successively shorter, the 
putermost very small. Flowers bluish violet. Achenes g in. long, 
hairy, about 10-costate. Pappus rufous, multiseriate, about $ in. long. 
Ceptacle somewhat convex, } in. diam. 
Wile Lana. Niamniam-land, Acker near Kulenscho, Schweinfurth ! 
_ 45. ¥. Schweinfurthii, 0. § H. Stems several, from a peren- 
mal woody stock, erect. or ascending, virgate, puberulous below, gla- 
