Vernonia. | LXXIII. COMPOSIT# (OLIVER AND HIERN). 273 
sometimes broad lax 1 ft. in. diameter in the taller specimens. Scales 
of involucre pluriseriate, subappressed, densely pilose with loose whitish 
hairs, linear-subulate, acute, darker or purplish at the tip. Receptacle 
deeply alveolate. Corolla purple, gradually narrowed, scattered with 
small sessile glands. Anther-base shortly pointed, acute. Achenes 
d-angled, angles hispid, glandular between, callus-based. Pappus 
whitish duplex persistent barbellate, outer short squamiform, inner 
3 in. long erect. ; 
Upper Guinea. Niger, Barter! 
Wile Land. Madi, Speke and Grant! (Journ. App. 637. Vernonia No. 3); be- 
tween rivers Bahr-Dembo and B-Djur, in fields of Sorghum, Heuglin ; Djur-Land, 
Schweinfurth ! 
9. V. Petersii, O. & H. ex Oliv. in Trans. Linn. Soc. Loud. xxix. 
p. 90. Herb of 1-3 ft. ; stems erect or ascending, sparingly branched, 
striate, subangular, shortly crisped or scabrid-pubescent from a 
Short woody stock. Leaves alternate, linear or ovate-oblong or ob- 
lanceolate, obtuse or acute, mucronate, narrowed to the sessile or sub- 
sessile base, scabrous above, scabrous-pubescent beneath; 1-4 in. long, 
3-Zin. broad. Capitula campanulate-hemispherical, $ ig. broad, about 
50-flowered, in few-headed narrow panicles, subsessile or lateral pe- 
duncles varying to 3 in. Scales of involucre pluriseriate, linear or 
linear-lanceolate, acute, theouter silky-pilose, inner obscurely 3-nerved ; 
tips of outer scales recurved ; receptacle alveolate. Corolla-tube and 
lobes thinly setulose, tube gradually narrowed. Anther-base sagittate. 
Achenes obconical, unequally 4—5-gonous, setulose chiefly on the angles, 
Sessile-glandular and at length tubercular-scabrid between, with few or 
no sete. Pappus duplex, scabrid, pale tawny ; outer squamiform scales 
lanceolate acute denticulate above ; inner sete rigid fragile caducous.— 
Crystallopollen latifolium, Steetz in Peters’ Mossamb. Bot. 364, t. 48a. 
Nile Land. . App. p. 637, Vernonia, u. 8), Speke and 
Grant } fi. December (Speke Journ. App. p. 637 » Spe 
Mozamb. Distr. Boror and Rios de Sena, Dr. Peters ! 
iso” have the same plant sent by Mr. Baines from the “South African Gold Fields,” 
10. v. Steetziana, 0. § H. Erect pubescent slender annual of 
1-3 ft, branches costate slightly hairy scaberulous. Leaves subcoria } 
ceous, rigid, linear, narrowed to each end, entire, margin revolute, 
Scabrid above, paler usually hairy and punctate beneath, lower 1+3 in. 
long 1-2 lines broad. Capitula campanulate about 50-flowered, } in. 
ong fin. broad, on pedicels of 4-2 in., forming ample much-branched 
many-headed panicles; involucral scales 4—5-seriate, hirsute or thinly 
villous, linear-lanceolate subobtuse and apiculate with short spreading 
tips. Achenes of V. Petersii, but angles (5-7) with slightly longer 
more crowded hairs and faces less rugose, sessile-glandular.—Crystal- 
ollen angustifolium, Steetz in Peters’ Mossamb. Bot. 366, var. p. 
chlorolepis, Steetz, le. 
ronan Distr. Inhambane, Peters! Kaimba Island, opposite Tette, Kirk/ 
- oY, T 
