174 MR. J. G. BAKER ON THE 
bristles, the outer like the others but much shorter.— Central 
Madagascar, Baron! 
VERNONIA DISSOLUTA, N. Sp. 
Arborea, ramulis dense breviter brunneo-pilosis, foliis petiolatis ovatis 
denticulatis acutis subcoriaceis facie viridibus scabms dorso venulosis 
brunneo-pilosis, capitulis parvis 4—5-floris densissime corymboso-panicu- 
latis pedicellis brevissimis, involucri campanulati bracteis 3-4-seriatis 
rigidulis acutis facile caducis, floribus albidis, achenio glabro, pappi setis 
albis flexuosis ciliatis. 
A. tree, with slender terete woody branchlets densely clothed 
with short brown pubescence.  Petiole under an inch long; 
blade 3-4 in. long, 13-2 in. broad, acute or subobtuse,' distantly 
denticulate, rounded at the base, dark green and rough with small 
raised points on the upper surface, shortly pilose with the veins 
and veinlets raised beneath. Heads very numerous, in dense ter- 
minal corymbose panicles. Involuere 4 in. long and broad, soon 
falling to pieces; bracts acute, firm in texture, brownish, pilose, 
the outer gradually smaller. Achene glabrous, jin.long. Pappus 
i in. long, of numerous pure white flexuose bristles.— Central 
o? 
Madagascar, Baron 1693! 
VERNONIA LYALLII, n. sp. 
Fruticosa, ramosissima, ramulis albo-incanis, foliis brevissime petiolatis 
obovato-oblongis integris obtusis coriaceis facie viridibus glabris dorso 
persistenter albo-incanis, capitulis parvis 6-8-floris dense corymboso- 
paniculatis brevissime pedicellatis, involucri campanulati bracteis rigidulis 
obtusis parce pilosis 3—4-seriatis exterioribus sensim brevioribus, achenio 
piloso, pappi setis albidis rigidulis ciliatis. 
A much-branched shrub, with slender conspicuously sulcate 
branchlets, closely leafy up to the top. Leaves shortly petioled, 
2-3 in. long, 2-1 in. broad, narrowed gradually from the middle 
to the base, bright green and glabrous on the upper surface, 
matted beneath with thin persistent whitish tomentum. Capitula 
very numerous, in dense level-topped terminal panicles with very 
short pedicels. Involuere 4 in. long and broad, the bracts rigid 
in texture, greenish-brown with bright red tips, the inner ones 
linear-oblong, the outer oblong. Corolla red, 4 in. long. Achene 
seen only immature. Pappus lin. long, of very numerous 
whitish flexuose ciliated bristles. Central Madagascar, in forests 
of the province of Imerina, Baron 1311! Lyall 74! 
